Top 10 Pultec & FairChild Emulation Plugins (EQs & Compressors)

Top 10 Pultec & FairChild Emulation Plugins (EQs & Compressors) |

Many professionals consider tube equalizers and compressors among the best studio equipment. This article will show you the Top 10 Pultec & FairChild Emulation Plugins 2024.

Pultec EQs and FairChild compressors are, for many engineers and producers, a kind of “holy grail” when it comes to audio equipment. This equipment is tube-based, allowing it to give a smooth sound while adding excitement to the material, making it unique. However, there are also negative sides – this gear is one of the most expensive.

But fortunately, we live in an era when you can get digital emulations of these legendary units. And some of them are available for free. That is what we will tell you about in this article. So feel free to scroll down and choose what you like the most.

Before we start with the list, here are some related readings for you consideration:

The 7 Best VCA Compressor Plugins  (VST, AU, AAX)

Top 7 Multiband Compressor Plugins (And 4 FREE Plugins)

The 7 Best Vari-Mu Compressor Plugins  (And 2 Best FREE Tools)

Top 9 Parallel Compressor Plugins Available

Top 11 Free Compressor Plugins (SSL, Vari-Mu, Opto..)

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Top 11 Mastering Compressor Plugins (And 2 FREE Plugins)

7 Best 1176 Compressor Emulation Plugins 

Top 7 Compressor Plugins For Smooth Vocals 

Top 10 Analog Hardware Compressors For Mixing & Mastering

Top 10 Pultec & FairChild Emulation Plugins 2024 (EQs & Compressors)

1. Tone Empire FireChild

More Info & Price (Trial Available)

Top 10 Pultec & FairChild Emulation Plugins (EQs & Compressors) - 2024 Update

Tone Empire FireChild Vari-Mu is a software plugin that emulates the sound and behavior of a vintage vari-mu compressor.

Vari-mu compressors are known for their smooth and natural sound and are often used on vocals, drums, and bass. The Firechild plugin allows you to adjust parameters such as attack, release, and ratio to achieve the desired sound.

Key Features:

  • Stereo and Mid-Side modes

The plugin can be used in stereo and mid-side modes, allowing more flexibility in mixing and mastering and creating better and more customized stereo width in your tracks.

  • Easy to use

The plugin has a simple and intuitive interface, making it easy for beginners and professionals. It’s easy to understand and tweak the parameters to get your desired sound.

  • Tube Modules

The Tone Empire FireChild Vari-Mu plugin includes many tube models designed to emulate the sound of different vintage tubes, including custom, British, German, and US tube models. However, the custom tube model is designed to give you the most versatility, while the other tube models emulate the specific characteristics of their corresponding countries.

  • Model Selector

The plugin includes a Model Selector feature that allows you to switch between different compression settings quickly. The Model Selector feature has four settings: A, B, C, and off, such that these settings are designed to emulate the sonics of classic, modern, and vintage tune compressors, respectively.


The plugin works with any DAW that supports VST, AU, or AAX plugin formats. It is available for Windows and Mac operating systems so you will need a computer running Windows 7 or higher or macOS 10.7 or higher.


Overall, the Tone Empire FireChild Vari-Mu plugin is a versatile software compressor with various features and options that allow you to achieve the desired sound, including vari-mu compression, adjustable parameters, vintage emulation, tube models, and a Model Selector feature.

2. UAD Fairchild Tube Limiter Collection

More Info & Price (Trial Available)

Top 10 Pultec & FairChild Emulation Plugins (EQs & Compressors) - 2024 Update

The UAD Fairchild Tube Limiter Collection embodies the essence of vintage audio charm.

It encapsulates Fairchild 660 and 670 models’ warm tonality; it blends past and present entirely. Key features, such as authentic emulation, side-chain filtering, and time constants, provide comprehensive control over dynamic shaping, while the HR function offers a unique window into harmonic saturation.

Also, innovations like the mix/ratio control and stereo link introduce modern flexibility, enabling you to craft their signature sound. Undoubtedly, this collection is a testament to the timelessness of the Fairchild legacy, offering remarkable value in the digital realm.

Key Features:

  • Authentic Emulation

The plugin offers accurate models of the Fairchild 670 (stereo version) and the Fairchild 660 (mono version), capturing the rich, warm tone and dynamic response that made these units legendary. The painstakingly crafted emulations breathe life into digital recordings by imparting the analog nuances inherent in these classic devices.

  • Side-Chain Filtering

The side-chain filtering option is a powerful tool for producers, allowing greater control over the compression behavior. Using this feature, the compression can be manipulated to react to specific frequency ranges, thus permitting fine-tuned control over which parts of the audio signal trigger the compression.

  • Tube Amplifier and Transformer Models

The Fairchild Tube Limiter Collection includes the faithful recreation of the tube amplifier and transformer circuits found in the original hardware. These unique models are pivotal to achieving the analog warmth and nonlinear dynamic characteristics that the Fairchild units are celebrated for.

  • HR (Headroom) Function

The HR (Headroom) function is an exclusive feature in the UAD Fairchild Collection. It offers the ability to control the “sweet spot” of the unit, or the operating level, thereby adding a unique level of flexibility to the plugin.

This function allows you to explore varying degrees of harmonic saturation and responsiveness, expanding the plugin’s versatility in a mixed setting.

  • Mix/Ratio Control

This control enhances the original hardware, allowing you to blend between the uncompressed and compressed signal. This parallel compression technique can be a powerful tool, allowing for heavy compression effects while retaining the original dynamic characteristics of the signal, enhancing the sense of weight and presence in a mix.

  • Stereo Link

The Stereo Link feature in the Fairchild 670 model ensures the same gain reduction is applied to both channels. This is vital when processing stereo signals, maintaining a stable and coherent stereo image, and preventing unwanted shifts or imbalances in the soundstage.

Add Iconic Tone and Energy to Your Tracks with the Fairchild Limiter Collection | UAD Quick Tips


UAD Fairchild Tube Limiter Collection is available for Windows 7 or higher and macOS 10.12 or higherboth 64-bit only. It comes in VST, AU, and AAX formats.


The UAD Fairchild Tube Limiter Collection blends the rich, analog allure of the revered Fairchild limiters with the precision of contemporary software design. Simultaneously, it is not a simple nostalgia trip; the UAD Fairchild Collection is a sophisticated and adaptable tool for today’s producers, enhancing everything from drum tracks to entire mixes.

So, its fusion of authentic sonic character, thoughtful design, and innovative features makes it one of the best Fairchild plugin options today.

3. Nomad Factory Pulse-Tec EQs

More Info & Price (Trial Available)

Pulse-Tec EQs is an excellent emulation of analog equipment from Nomad Factory, which will give you three sections for processing.

We will start our list with a plugin that has been around for quite some time. The Pulse-Tec EQs from Nomad Factory will give you the same open sound as Pultec-type equalizers. However, it is worth noting that, in addition, there is also a preamp, thanks to which you can drive the signal more.

As for EQs, there are two sections: one for middle frequencies and the second for low and high frequencies. You will be able to turn off the section that you do not need. In addition, you will have a clipper and the ability to add the effect of actual hardware. Let’s take a look at the features in more detail.

Top 10 Pultec & FairChild Emulation Plugins (EQs & Compressors) - 2024 Update

Key Features:

  • Mid-Range EQ

At the top of the plugin, you will have a section responsible for mid frequencies. In particular, you can boost frequencies from 200 to 1000 Hz. There is also a Dip, which means cut, ranging from 200 to 7K. And you will also get another section for a boost from 1.5 to 5K.

  • Program Equalizer

The middle section will be your Program EQ and deals with the low and high frequencies. Here you can boost and attenuate from 20 to 100 hertz. As for the high frequencies, there is a choice between 3K and 16K plus 5K to 20K attenuation. In addition, you will have a separate Bandwidth control.

  • Adjust The Preamp

A preamp is something you don’t often see in plugins like this. Nevertheless, you will have it here at the very bottom. In particular, these are two Input and Output knobs. Thus, you can drive the Input while compensating for the Output and getting a little more saturation and grit.

  • Vintage & Clipper Switches

Thanks to the Vintage switches located on both equalizers, you will also have the opportunity to add more “analog soul” to the signal. In addition, you will also get a Clipper function on the preamp, which will be especially useful to chop off too spiky transients.

  • Two VU Meters

The developers also put two VU Meters in the preamp section to make it easier for you to monitor what is happening with your signal. One will show the processing on the left and the other on the right channel. You can also switch them from In to Out mode.

Nomad Factory-Pulse Tec EQs (Complete Walkthrough)


Nomad Factory Pulse-Tec EQs is available for Windows 7 or higher and macOS 10.8.5 or higher, both 32 and 64-bit. It comes in VST, AU, AAX, and RTAS formats.


Pulse-Tec EQs from Nomad Factory are an excellent emulation of the Pultec equalizer, giving you a sufficient number of functions. In particular, this is an EQ for the mid frequencies and the second for lows and highs. In addition, there is a preamp, the ability to add analog feel and a clipper. This software is perfect for both bus processing of instruments and mastering in general.

4. Apogee Pultec EQP-1A

More Info & Price (Trial Available)

Apogee’s Pultec EQP-1A plugin will give you the ease of use and authentic analog sound.

Apogee is a well-known audio equipment company that has been around since the 80s. This brand produces converters, audio interfaces, microphones and many other studio equipment. And it is worth noting that plugins are no exception here. Now we will take a look at their version of the Pultec equalizer.

The main feature of this plugin is that it was created in official cooperation between Apogee and Pultec. So you can be sure that you will get an authentic sound. In general, this plugin is quite easy to use because it has only control over low and high frequencies. So let’s see what is here.

Top 10 Pultec & FairChild Emulation Plugins (EQs & Compressors) |

Key Features:

  • Boost Some Lows

As for low frequencies, you can add them in the range from 20 to 100 hertz, and a separate switch at the bottom is responsible for this. As for the boost, the knob of the same name is responsible for it.

  • High Frequency Control

If you want to add high frequencies, it will be possible from 3K to 16K. Use the frequency control and boost knob for this. The latter is set from 0 to 10, but this is not the number of decibels.

  • Use Some Attenuation

Attenuation is one of the main features of Pultec-type equalizers, and it will help you to provide resonant EQ curves. In particular, you will have a separate knob for this for low frequencies. The highs are also there, but with a range of attenuation from 5K to 20K.

  • Choose A Bandwidth

Of course, you will have a separate regulator responsible for how wide your Q will be. It is called Bandwidth and is located in the center of the plugin window. So, with it, you can go from sharp to wide Q.

Apogee Pultec EQP-1A


Apogee Pultec EQP-1A is available for Windows 10 or higher and macOS 10.12.6 or higher. It comes in VST/2, AU, and AAX formats.


Apogee Pultec EQP-1A is an extremely simple plugin that will give you great results. Apogee created this software in official cooperation with Pultec, and it has excellent sound quality, especially in terms of massive low-end.

However, the plugin does not have a midrange control section and gain controls. Nevertheless, it is a decent digital recreation of analog equipment.

5. Waves PuigTec EQs

More Info & Price (Trial Available)

PuigTec EQs by Waves is another great digital recreation of Pultec equalizers with a distinctive sound.

Waves PuigTec EQs are perhaps one of the most popular plugins that emulate the work of Pultec equalizers. Waves created this product in collaboration with the legendary producer and engineer Jack Joseph Puig based on one of the units from his collection.

This software costs about $300, but you can always find it on sale for about $30, and it’s great.

Top 10 Pultec & FairChild Emulation Plugins (EQs & Compressors) |

It is worth noting that this includes not one but two plugins that work in a complementary way. One is responsible for low and high frequencies, and the second will give you more options in the mids. So, without further ado, let’s go directly to the analysis of the features.

Top 10 Pultec & FairChild Emulation Plugins (EQs & Compressors) |

Key Features:

  • Program EQ

The main plugin is called EQP-1A and is a recreation of a passive software equalizer. Thanks to it, you can boost low frequencies from 20 to 100 hertz. As for the highs, as in most similar plugins, the range reaches from 3K to 16K.

  • Midrange Equalizer

Like in the analog realm, you will have a second virtual MEQ-5 unit, a mid-range equalizer. In particular, here, you will get two Peak controls with a total range of operation from 200 hertz to 5K.

  • Attenuation And Dip Controls

Of course, you will still be able to do an attenuation and create resonant EQ curves. It applies to low, high and mid frequencies. In particular, you can choose the attenuation frequency for high frequencies from 5K to 20K. As for the mid frequencies, there is a Dip knob that performs the same function from 200 Hz to 7 kHz.

  • Adjust Your Gain

These features are not available in the original units, but fortunately, both plugins have Gain controls. You will find them on the right side of the software. These knobs allow you to go in both directions by 18 dB. Thus, you can balance the signal after EQ manipulations.

  • Add Some Analog Hum

It is important to note that the plugin also has the function of adding analog hum around 50 or 60 Hz. Most users usually have this turned off, but it can add an interesting, authentic character to your signal in some scenarios.

Waves PuigTec EQP-1A 5 Minute Review


Waves PuigTec EQs is available for Windows 10 or higher and macOS 10.15.7 or higher. It comes in VST/3, AU, and AAX formats.


PuigTec EQs by Waves are two great plugins that will allow you to use the sound of vintage EQ in your DAW. You will fully control the frequency spectrum, including bass, mids and highs. The developers also included several extra features, such as a Gain control and analog hum emulation.

Related Reading:

20 Best Waves Plugins For Mixing & Mastering 2023

6. Overloud Gem COMP670 (Compressor)

More Info & Price (Trial Available)

Gem COMP670 from Overloud will give you an emulation of three studio units and many useful features.

The developers from Overloud did a great job here because they combined the emulation of three studio units in one plugin. Yes, they are all FairChild. But the point is that they differ in sound because some compressors have changed components. As a result, you will have the opportunity to play with three different flavors.

In addition, the creators have added many digital realm features, making this plugin a really powerful tool. For example, you will have a Sidechain Filter, the ability to influence the amount of harmonic content, parallel compression and more. Let’s now try to understand all this in more detail.

Top 10 Pultec & FairChild Emulation Plugins (EQs & Compressors) |

Key Features:

  • Input Gain And Threshold

The large Input Gain and Threshold controls will be your main ones when working with this plugin. Thanks to the first one, you can send the required amount of signal to the compressor, and thanks to the second one, you can adjust the threshold of the compression.

In addition, most knobs are mirrored, so you can make separate settings for the right and left channels or mid/side processing.

  • Choose Time Constant

As for the attack and release settings, the Time Constant switches will be responsible for this. In general, they have six positions: the first will have the fastest attack and release, and the last two have a slow attack and program-dependent release, so they are suitable for mastering or bus processing.

  • Three Compressor Modes

The developers created this plugin based on three FairChild compressors from different cities. Therefore, you will see a switcher with options for London, Los Angeles, and Milan. The first one is the warmest and most authentic. As for the other two, you will be able to get from them some more sheen in the high frequencies.

  • DC Threshold And Harmonic Controls

Looking at the bottom left corner of the plugin window, you will see two small DC Thres and Harm controls. The first one will be responsible for setting hard or soft knee. As for the second one, you can add more harmonic distortion with it and get more analog grit.

  • Add a Sidechain Filter

An extremely useful feature of this plugin is the Sidechain Filter. Thanks to it, you can tell the compressor not to consider low information. In particular, this function works in the range of up to 500 hertz.

  • Parallel Compression

And, of course, you also get a Parallel control, which is the balance setting of Dry and Wet signals. In this case, you can apply quite extreme parameters and mix them with the original signal, a well-known parallel compression technique.

Overloud Comp 670 - Fairchild Compressor beyond the original


Overloud Gem COMP670 is available for Windows Vista or higher (both 32 and 64-bit) and macOS 10.9 or higher (64-bit only). It comes in VST, AU, and AAX formats.


Gem COMP670 by Overloud is an extremely powerful compressor that will give you an authentic analog sound and a lot of modern features. You can influence the flavors of compression, add harmonics, apply sidechain and run compression in parallel.

This plugin is suitable for many scenarios, including processing individual instruments or work as a great mastering compressor.

Related Reading:

The 7 Best Vari-Mu Compressor Plugins 2023 (And 2 Best FREE Tools)

7. UAD Pultec Passive EQ Collection

More Info & Price (Trial Available)

UAD is considered a giant in the audio industry, and now this is their attempt at emulating the classic Pultec EQP-1A EQ.

UAD is one of the most popular companies creating music production tools. You can find their converters and audio interfaces in many top studios worldwide. As for the emulation of physical units, this is another area where UAD holds top positions because their plugins sound almost identical to analog equipment.

Now we will look at the Pultec Passive EQ Collection, which includes as many as three plugins. In particular, you will get a program equalizer, EQ for midrange frequencies, and a filter. So let’s try to analyze all this in more detail.

Top 10 Pultec & FairChild Emulation Plugins (EQs & Compressors) - 2024 Update

Key Features:

  • EQP-1A

As for the program equalizer, it is almost no different from the well-known analog unit. You will find the settings of two shelves for low and high frequencies and the Bandwidth control.

  • Midrange EQ

The next plugin is MEQ-5, thanks to which you can process midrange frequencies. As in other similar units, you will find two Peak sections and one Dip here. The range of this software is from 200 Hz to 5 kHz.

  • Pultec Filter

Well, and of course, you will get one more piece of software in this collection: the EQ filter HLF-3C. It is generally quite easy to use because it has only two knobs: Low Cut-Off and High Cut-Off. The range of the first one is from 50 to 2000 Hz, and the second is from 1.5 to 15 kHz.

  • Input And Output Transformers

The developers of these plugins emulated not only the work of the equalizer but also the input and output transformers. In particular, the first two plugins have a switch that disables the equalizer section but leaves the influence of the transformers. Therefore, you will get the harmonics of the original hardware.

Mix 101: How To Use A Pultec EQ |


UAD Pultec Passive EQ Collection is available for Windows and macOS, both 64-bit only. It comes in VST, AU, AAX, and RTAS formats.


If you are an experienced producer or engineer and want a passive equalizer that offers you more control over your track’s dynamic range and sound characteristics, then look no further. The Passive EQ collection from UAD offers you exactly what you need in passive EQs.

In particular, it is a software equalizer, midrange equalizer and filter. In addition, you get an excellent emulation of analog transformers.

Related Reading:

Top 6 Passive EQ Plugins (SPL, Pulsar, NI, Manley..)

8. Waves PuigChild Compressor (Compressor 2)

More Info & Price (Trial Available)

PuigChild by Waves is another famous FairChild compressor emulation that will give you great sound and ease of use.

Waves PuigChild is another plugin from the Jack Joseph Puig collection that emulates vintage studio equipment. In general, this software comes in two versions: 670 і 660. But you only need to know here that 670 is a stereo version, and 660 is a mono.

Top 10 Pultec & FairChild Emulation Plugins (EQs & Compressors) |

Regarding this plugin’s functionality, it accurately repeats analog equipment but does not load you with many settings. In particular, you will have controls for gain and threshold, output signal, and the well-known Time Constant switch responsible for attack and release. Let’s now take it all in order.

Top 10 Pultec & FairChild Emulation Plugins (EQs & Compressors) |

Key Features:

  • Adjust The Gain And Threshold

This plugin is simple – you will have two controls, Gain and Threshold. Add the required amount of signal with the first one and determine the amount of compression with the second one. If you work in the stereo version of the plugin, you will have mirror settings.

  • Time Constant Settings

If you have already dealt with plugins of this type, you know that the Time Constant parameter is responsible for fixed attack and release. In particular, the first positions will give you faster settings. In turn, 5 and 6 will have longer attacks and auto releases.

  • Balance Your Signal

Of course, you will have an Output Gain knob, which you can regard as a Make-Up Gain. It is because the more you apply compression, the plugin will reduce the more your signal. Therefore, thanks to this control, you can compensate for the loudness.

  • Analog Hum

Like most Waves plugins, PuigChild also can add analog hum. It will be possible thanks to the switch in the lower left corner. Specifically, there are 50 and 60-hertz options, which refer to the different cycles from the power supply of analog equipment in Europe and the United States.

  • Left/Right 0r Lat/Ver

The stereo version of this plugin can work in several modes: Left/Right, Linked, and Lat/Ver. The first will allow you to apply different settings for the right and left channels, and the second – to do it simultaneously for both. As for the latter, it is a type of Mid/Side processing.

Jack Joseph Puig on the PuigChild 660/670 Compressor


Waves PuigChild is available for Windows 10 or higher and macOS 10.15.7 or higher. It comes in VST/3, AU, and AAX formats.


PuigChild by Waves is from the category of those plugins that seem to have been around all the time. Overall, this is a great emulation of FairChild, which will not annoy you with many settings because everything here is quite straightforward: gain, threshold, time constant, output and mod switch. In addition, you will get two versions, both for mono and stereo signals.

8. Lindell Audio 6X-500

More Info & Price (Trial Available)

Lindell Audio’s 6X-500 plugin is a digital recreation of their successful transformer-coupled analog preamp.

This plugin is unlike most Pultec-style EQs we have presented on this list. Nevertheless, the principle of its operation is somewhat similar because it emulates a preamp with a passive equalizer. Therefore, you can also use it for tone shaping.

Lindell Audio 6X-500 includes a passive EQ that applies a Pultec-style high and low-frequency boost that you can set to one out of three frequencies. In addition, adding a harmonic distortion and two filters is possible. Let’s dive into its features so that you can understand this software a little better.

Lindell Audio 6X-500 - Top 9 Preamp Plugins 2022 (For Vocals, Guitars & More!) + Free Preamp Plugins |

Key Features:

  • Linked Gain & Output

The first among the controls of this plugin are Gain and Output. The great fact is that they are linked. Thus, you don’t have to worry about your level when you add Gain because the plugin will always balance the loudness.

  • Boost Some Highs

As for the equalizer section, there is a High Boost control. In addition, you will have a switch with three positions, which will determine which frequencies to boost. In particular, there are options of 6, 10 and 16 kH.

  • Low Boost

Similar to High, you will also have a Low Boost control. It will help to add more weight to the tracks. As for the frequency selection, there are options to add low frequencies at 30, 60 and 100 Hz.

  • High & Low Pass Filters

Another great feature is that you will have Low and High Pass Filters. Both ranges are from 20 hertz to 20 kilohertz, which is quite extensive. You will also be able to change the amount of dB per octave with options of 6, 12, 18, 24, and 36.

Lindell 6X-500 Preamp Audio Plugin | REVIEW | Plugin-Alliance


Lindell Audio 6X-500 is available for Windows 8 or higher and macOS 10.11 or higher, both 64-bit only. It comes in VST2/3, AU, and AAX formats.


Lindell Audio’s software model of their 6X-500 preamp is as much as you can expect from a solid hardware emulation. It adds a different type of non-linearities, and its overall tone is bright and open.

6X-500 is a highly recommended plugin at the top of your chain if you want to add soft harmonic distortion to enhance any sound source.

Related Reading:

Top 11 Plugins On Plugin Alliance 2023


10. IK Multimedia EQP-1A (Emulating EQP-1A hardware)

More Info & Price (Trial Available)

EQP-1A is a plugin from IK Multimedia that will give you a similar sound to an analog unit.

IK Multimedia is a well-known Italian company that creates audio equipment and digital tools for music production. Now we will look at their view on the emulation of the Pultec equalizer – this is a plugin called EQP-1A, which is part of the T-RackS plugin series.

Here you will get only the software equalizer, i.e. the midrange section is absent. Nevertheless, you will have the same usual low and high-frequency controls inherent in this equipment. Despite this, the plugin has a few more good features, which we will tell you below.

IK Multimedia EQP-1A Review - 6 Best Passive EQ VST Plugins |

Key Features:

  • Low Shelf

You can apply shelving to low frequencies, and the settings of this filter are located on the left side of the window. In particular, there are the usual Boost and Atten controls. As for the frequency range, it reaches 20, 30, 60, and 100 hertz.

  • High Frequency Control

On the opposite side of the window, you will find the settings for the high-frequency shelf. Here you can select frequencies in the range from 3 to 16 kilohertz. And, of course, you will be able to attenuate them with options of 5, 10 or 20 Hz.

  • Choose A Bandwidth

The developers of this plugin also did not deprive you of the ability to customize the size of the Bandwidth. You will see this slider in the center of the plugin. You will often want to use the broad setting because it will give a wider sound.

  • Balance The Signal

Also at your disposal will be the Output control, thanks to which you can balance the signal from the plugin. By the way, there is an On/Off switch right next to it that you can use as a bypass to compare with the raw signal.

  • L/R or M/S Operation

If you look to the left, you will see a small section where you can configure the plugin mode. In particular, you can work with the right and left channels separately or together. And, of course, you will be able to switch to Mid/Side mode, which can be helpful in mastering.

T-Racks 5 Plugins Review: EQP-1A (Pultec EQP-1A)


IK Multimedia EQP-1A is available for Windows 7 or higher and macOS 10.10 or higher, both 64-bit only. It comes in VST2/3, AU, and AAX formats.


EQP-1A from IK Multimedia is a worthy digital emulation of the most famous analog equalizer. This software equalizer will allow you to do the famous Pultec-trick because it has all the same low and high shelf settings as its vintage ancestor.

In addition, you will be able to use this software in Mid/Side mode at the mastering stage.

Related Reading:

Top 6 IK Multimedia Plugins For Various Categories 

Best Free Pultec Emulation Plugins 2024

1. Analog Obsession FRANK 2 (Analog EQ)

More Info & Download

The FRANK 2 plugin from Analog Obsession is a tonal shaping EQ that is based on well-known studio hardware equalizers.

The tonal shaping equalizer would be a great tool to give some color and expressiveness to your instruments. It is exactly the plugin of the famous company Analog Obsession, which creates its software based on analog gear. All products are free, but you can support the developer on Patreon.

Overall, there are three bands of EQ, Low and High Pass filters. So by the plugin’s name, you can understand that it is a kind of Frankenstein. And it is not strange because each parameter is taken from a separate studio equalizer, whether API, Neve, or Pultec. So let’s take a closer look at the plugin.

20 Best FREE Mixing VST Plugins For Musicians 2022 |

Key Features:

  • High and Low Pass Filters

The two Low and High Pass filter knobs are located on both sides of the window. The first is based on the Helios and allows you to cut from 0 to 15 dB at 50 hertz. The second one is a Pultec-style high-frequency attenuator, allowing you to go from zero to 10 decibels.

  • Adjust The Lows

As for the low frequencies, you will have two whole knobs at your fingertips. The first is a boost, and the second is an attenuator. Their frequency of action is 60 hertz. In general, they are based on Pultec units.

  • Mid Control

The black knob on the gray background will be responsible for the mid frequencies. You will be able to cut and boost up to 15 decibels. Most likely, this setting is based on API hardware.

  • Add Some Highs

And, of course, the knob on the green background will help you remove or add high frequencies. It’s a shelf. At least you can tell that from the little icon above the knob. Here the creators took the Neve units as the basis.

  • Input and Output Knobs

Notably, the plugin allows you to drive more signal into it thanks to the Input control. So you can add more harmonics to it. There is also an Output knob, which helps balance the signal’s outcome.

FRANK (2.0) by Analog Obsession - The Ultimate Analogue EQ!?


Analog Obsession FRANK 2 is available for Windows 7 or higher and macOS 10.9 or higher. It comes in VST/3 and AU formats.


The FRANK 2 plugin can be your to-go equalizer for working with any instrument. It can be vocals, guitars, bass, and drums. Yes, the plugin is a kind of Frankenstein, but that’s how it’s designed to give you a unique sound. So experiment with it to see for yourself.

Related Reading:

20 Best FREE Mixing Plugins For Musicians 2023 (Various Types)

2. BPB & Analog Obsession Rare EQ (Analog Magic EQ)

More Info & Download

Rare EQ from Analog Obsession and BPB will give you the color and sound of a legendary studio unit.

As you can guess from the design of this plugin, it is inspired by the tube studio equalizer from Pultec. This unit has long been considered legendary for its distinctive sound and harmonics. And the good news is that you can get a decent emulation for free.

It is the Rare EQ plugin, which AAnalog Obsession created in collaboration with BPB. Overall, there are two EQ bands and the ability to boost and attenuate frequencies. In addition, you get Bandwidth and Gain controls. Let’s take a closer look at this.

BPB & Analog Obsession Rare EQ - 20 Best FREE Mastering Plugins (All Sorts Of Plugins) |

Key Features:

  • 2-Band EQ

In general, you will have only two equalization bands at your disposal. But it will be enough to add character to the sound. In particular, low frequencies here go from 20 to 100 hertz, and high frequencies from 3 to 16 kilohertz.

  • Boost or Attenuate

You can both boost and attenuate frequencies. You will have two separate knobs for this. The point is that if you boost and attenuate simultaneously, you will get different EQ curves, giving you an interesting sound.

  • Adjust The Bandwidth

In the center of the plugin is a separate Bandwidth knob. As you can see, it will affect your EQ band’s width. Again, experiment with this to find the right setting for your situation.

  • Gain & Output

On top of that, you get two separate Gain and Output controls. You can put the first one in pre and post-EQ modes, which will also affect the character of the sound. And, of course, you’ll need Output to balance the signal.

Analog Obsession Rare Pultec clone - How it works


BPB & Analog Obsession Rare EQ is available for Windows 7 or higher and macOS 10.9 or higher. It comes in VST/3 and AU formats.


Rare EQ is a wonderful plugin to add tube character to your instruments, a bunch of instruments, or a master. It is quite easy to use, as you will only have two EQ bands. Nevertheless, it has everything you need to get the results you want.

3. Kiive Audio Warmy EP1A Tube EQ (Pultec Style EQ 2)

More Info & Download

Aptly named, this plugin sounds warm, and smooth and adds sparkling high frequencies on instruments and vocals.

The Warmy EP1A EQ is an emulation of the notorious Pultec EQP-1a vintage equalizer. It’s many mixing engineers’ go-to additive EQ for adding some low-end depth or high-end sheen.

This software plugin is an attempt at reproducing the original hardware’s internal components and the slight saturation of the inductor and output transformers.

If you have recorded some vocals, but they sound somewhat dull, try adding this EQ and boosting the high frequencies upwards of 8 kHz. It makes the vocals sound much cleaner and brighter in almost every case, with no harshness whatsoever.

Kiive Audio Warmy EP1A Tube EQ Review - Top 10 Free EQ Plugins |

Key Features:

  • Controlled Tube Emulation

The Mix knob, seemingly an EQ mix, controls the amount of tube emulation out of the EQ. Try using a somewhat high value of Mix with the EQ at their default positions. It will add some character to your audio, which could be desirable if you enjoy analog emulations.

  • Smooth Sound

The plugin offers a separate boost and cut knob, where the boost is a shelf filter, and the cut is a peak filter. The shape the two filters make together sounds ultra-smooth and natural. It keeps unwanted resonance away and ensures a musical sound.

  • Adjustable Bandwidth

The bandwidth or the Q-factor of this plugin can be manipulated by using the knob of the same name. However, the single knob controls the Q-factor of both the low and the high filters. It isn’t limiting at all, though, because most of the time, you’ll likely be using a broad shape anyway.

  • Mastering Ready

The Warmy EP1A has up to 16x oversampling for mastering-grade anti-aliasing, providing transparent emulation even with the tube saturation introducing harmonics. Furthermore, while mastering, it could add character to the low-end using the tube saturation, and you will have complete control over its intensity courtesy of the Mix knob.

Warmy EP1A vs Warm Audio Pultec (FREE PLUGIN)


Kiive Audio Warmy EP1A Tube EQ is available for Windows 7 or higher and macOS 10 or higher, both 64-bit only. It comes in VST2, AU, and AAX formats.


Pultec EQP-1a is an incredibly versatile and smooth-sounding equalizer, and the Warmy EP1A captures the sound to an impressive level. We recommend its use on vocals and for mastering. Also, try it on instruments with only the tube emulation dialed in to get an interesting character on your audio.

Related Reading:

Top 12 Free EQ Plugins 2024 For Precise Mixing & Mastering

4. Acustica Audio Coffee ‘The PUn’ (Pultec Style EQ 3)

More Info & Download

Yet another Pultec-inspired EQ, the PUn offers similar functionality with a modernized interface.

Acustica has gone a different route with this emulation by emphasizing an aggressive character in its engine. If it is the character you are after, we would suggest the PUn over the other entries. It also features a ‘Pre’ button to enable the preamp section of the EQ, somewhat like IK Multimedia’s iteration of this unit.

Another thing worth mentioning is that the PUn focuses more on the low frequencies over the highs. It’s evident by the inclusion of a frequency selector knob for the low-frequency cut and boost filter each. We recommend its use on kicks and bass instruments to add character and color.

Acustica Audio Coffee 'The PUn' Review - Top 10 Free EQ Plugins |

Key Features:

  • Q-Factor

The plugin includes a peak-to-shelf transitioning Q-factor for the high-frequency filter. When put somewhere in the middle, you’ll find its sound similar to that of a high shelf filter with increased resonance. However, it doesn’t sound harsh or whistling at all.

  • Preamp

The ‘Pre’ button controls the preamp of this EQ, and you could use this plugin without even employing the filters for its saturation alone. If you want more of the harmonics, dial in the Input Trim to drive the preamp further. For this usage, we suggest placing the plugin before any other plugin on your FX chain.

  • Low-Frequency Character

The PUn has a frequency selector for the low cut and the low boost. The low cut is a peak filter, whereas the low boost is a shelf filter. It works excellently to increase the thickness of snares, vocals, and bass guitars while also ensuring the sound doesn’t get muddy by cutting some of the 248 Hz..

Coffee 'The PUn' - Free Pultec-style, germanium based EQ and Preamp


Acustica Audio Coffee ‘The PUn’ is available for Windows 10 or higher and macOS 10.10 or higher, both 64-bit only. It comes in VST 2/3, AU, and AAX formats.


This plugin feels complementary to the previous Pultec entry because of the contrasting emphasis on the low frequency to the other one’s focus on the high frequencies. So, we would suggest you use this plugin alongside the previous for adding depth to the sound and clearing up mud.

5. Ignite Amps PTEq-X

More Info & Download

The PTEq-X from Ignite Amps is an analog Pultec EQ on steroids.

By now, you’re probably aware of the versatility and smoothness of the Pultec EQP-1a hardware equalizer. However, Ignite Amps goes above and beyond by combining three Pultec EQ units in one plugin. It features a tube midrange equalizer and an analog cutoff filter section.

We recommend this plugin if you enjoy the sound of the vintage Pultec units. Its combination of refined filters for midrange control and cutting off unwanted low or high-end makes this plugin add to the versatility of the esteemed hardware. What’s more, you can easily enable and disable each section of the plugin by toggling the ‘In’ switch off.

Ignite Amps PTeq-X Review - Top 10 Free EQ Plugins |

Key Features:

  • Tube Midrange EQ

The top section of the interface contains the MQ5 midrange EQ, which is also a relatively well-known unit by Pultec. This section has two Peak (boost) controls and a Dip (subtractive) control. Each filter has a frequency selector and an amount knob. This section works well for a range of uses, from cutting muddy frequencies to adjusting the tone of instruments.

  • Shelf Filters

The second section of the interface holds the EQP-1a equalizer. It has all the standard controls available in the hardware, but there is one quirk worth mentioning.

At the right side of the section, you will notice a toggle switch labeled Tube and a drop-down menu below it. It contains four options, each representing the various transformer stages in the hardware unit. However, the effect is so subtle it feels unnecessary.

  • Cutoff Filters

The bottom section of the interface has two cutoff filters for cutting the lows and the highs. However, the slopes of the filters are somewhat gentle while still being moderately steep. We wouldn’t recommend relying on it for mastering, but they work great for removing unwanted frequencies from individual instruments.


Ignite Amps PTEq-X is available for Windows 7 or higher 32-bit and 64-bit and macOS 10 or higher 64-bit. It comes in VST 2/3 and AU formats.


This plugin is an excellent all-in-one solution for EQing your audio material using hardware-inspired plugins. According to Ignite Amps, they followed careful measures to ensure every component on the hardware’s signal path is modeled as accurately as possible. In addition, the 2x oversampling it offers also makes this plugin suitable for basic mastering uses.

6. Analog Obsession – RareSE

More Info & Download

RareSE by Analog Obsession can be called “Pultec on steroids”, and it is completely free.

The next item on our list will pleasantly surprise you if you are a fan of Pultec equalizers and are looking for mastering software. The RareSE plugin is created for this very purpose because it allows you to work in different modes. And the good news is that it is free.

In general, you will have two mirror program equalizers. But the point is that you can use them both in the Left/Right and Mid/Side modes. Or you can link them for both channels at the same time. There are also some good features for the output signal. So let’s have a look at it.

Key Features:

  • Use As A Usual Program EQ

Of course, you can use this plugin like a regular program equalizer. It has all the necessary parameters: two bands for low and high frequencies, bandwidth, boost, and attenuation. Adjustment of low frequencies – from 20 to 100 Hertz, and high frequencies – from 3 to 16 kHz.

  • Different Operation Modes

You can link the settings using a separate switch if you need to process both channels simultaneously. In this case, both sections of the plugin controls will work together. You can also unlink them and switch to the Mid/Side or Left/Right modes. Then they will work separately.

  • Output Control

Interestingly, the developer of this plugin also put two Output controls here. One you can use for Left or Mid, and the other for Right or Side. In both cases, you can boost or cut by 12 decibels.

  • Oversampling Feature

If you have already used Analog Obsession plugins, you know that many of them have the Oversampling function. Thanks to it, you can slightly improve the signal quality. To enable it, click on the company logo, which will light up red.

Analog Obsession⏐RARE SE v5 (Review Demo)


Analog Obsession RareSE is available for Windows 7 or higher and macOS 10.9 or higher. It comes in VST/3, AU, and AAX formats.


RareSE by Analog Obsession is a great plugin if you are looking for Pultec-style EQ for mastering. You will get all the usual settings of the program equalizer and the ability to work in the Left/Right and Mid/Side modes.

In addition to this, there is also an Oversampling function. By the way, do not forget to support the plugin developer on Patreon.

Related Reading:

20 Best FREE Mastering Plugins 2023 For Various Purposes


NoiseAsh Rule Tec EQ1A

More Info & Price (Trial Available)

Rule Tec EQ1A from NoiseAsh will give you a fairly accurate emulation of an analog unit and an additional Stereo Width function.

The next plugin on our list is an emulation from the Turkish company NoiseAsh, engaged in creating excellent plugins for music production. In particular, among their products, there are many equalizers based on Neve, SSL and other well-known brands. And we must note that the recreation is quite high quality.

As for the Rule Tec EQ1A plugin, it is also an emulation of the famous program passive equalizer. You will get the same settings for low and high frequencies. However, there are also a few extra features, including stereo width and gain control. Let’s dive into the analysis of this software.

Top 10 Pultec & FairChild Emulation Plugins (EQs & Compressors) |

Key Features:

  • Boost Some Lows

You can boost or attenuate the low frequencies from 20 to 100 hertz. The controls on the left side of the window will be responsible for this: Boost, Atten, and CPS. Use attenuation to clean up the area near the desired frequency.

  • High Frequency Control

On the opposite side of the plugin are the controls responsible for controlling high frequencies. In particular, you can add highs from 3K to 16K. As in other similar software, you can also attenuate these frequencies within 5, 10 or 20 kHz.

  • Adjust Your Bandwidth

And, of course, the Bandwidth regulator will also be at your disposal. Thanks to it, you can adjust the Q size of the equalizer. In general, there is a range from sharp to wide.

  • Gain Control

The ability to adjust the gain is one feature that distinguishes this plugin from others. You will see this small slider at the bottom right of the window. Use it to balance your signal after EQ manipulations.

  • Set A Stereo Width

It is worth noting that this software also has a Width adjustment, which is presented here at the bottom of the window. So, in addition to improving the frequency spectrum, you can make it wider in the stereo picture. This feature can be useful at the mastering stage.



NoiseAsh Rule Tec EQ1A is available for Windows 7 or higher and macOS 10.9.5 or higher, both 64-bit only. It comes in VST3, AU, and AAX formats.


Rule Tec EQ1A from NoiseAsh is another great recreation of the legendary equalizer program that should surprise you with its sound quality. You will get all the same settings and a few additional features, including the Stereo Width function. You can also purchase this plugin in different versions, including a mid range equalizer and low and high pass filters.


As you can see, plenty of plugins emulate the work of Pultec EQ and Fairchild compressors. And as for equalizers, you can even get them for free. So, at the end of this post, let us give you some tips on what software you should especially pay attention to.

As for Pultec-style EQs, worthy emulations are Nomad Factory Pulse-Tec EQs, Waves PuigTec EQs, NoiseAsh Rule Tec EQ1A and UAD Pultec Passive EQ Collection.

If you need vari mu compressor emulation, we advise you to check out the 4 Overloud Gem COMP670, as this plugin has many modern features. Also, Waves PuigChild Compressor, may be a good option for you. This software has a really good sound.

However, you have to pay money for all these plugins listed above. You can use several free options if you do not have such an opportunity. In particular, it is  on the free list BPB & Analog Obsession Rare EQ. Also, Ignite Amps PTEq-X and Analog Obsession RareSE.

Remember that it’s not what plugin you use that matters but how well you know how to use it. We are sure that this skill will allow you to achieve new success in music production. Good luck!

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