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Customer Reviews 362 Reviews

4.8 out of 5 stars

by P. Wallette (10/14/2016):

Just upgraded from the Legacy version.... and YES, there is a big difference to the… Read more

306 Reviews
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Pultec Passive EQ Plug-In Collection.
Astonishingly accurate recreations of the
“must-have” classic EQs.

Building on a decade of the world’s most intensive modeling research, UA has recreated the famed Pultec EQ experience as plug-ins – ones that are nearly indistinguishable from the original analog hardware.

Now You Can:

  • Use Pultec's three most popular studio EQs on individual tracks or busses
  • Provide the same Pultec analog “magic” for your tracks, making them sound better just by passing through
  • Push the Pultec's fully modeled transformer and tube-based amplifier sections
  • Make difficult-to-isolate instruments and vocals breathtakingly clear without affecting neighboring frequencies
  • Dial up extreme levels of EQ boost while staying natural and musical
  • Give that signature airy, smooth-as-silk vintage tone to your master channel

The Pultec Story

When Ollie Summerland and Gene Shenk hand-crafted the first Pulse Techniques passive program equalizer in 1951, they had no idea they were transforming an industry. But like a Stradivarius, their little garage-built, made-to-order designs have been copied by nearly every EQ-maker for decades, and their early EQP-1A's still bring thousands on the used market — if you’re lucky enough to find one.

The Pultec Passive EQ Plug-In Collection for UAD-2 and Apollo hardware includes the ultimate plug-in emulations of Pulse Techniques’ original passive EQs. With painstakingly modeled amplifier sections now onboard, the Pultec EQ Collection "breathes" like the original hardware.

Legendary Pultec Depth and Clarity
Going far beyond UA’s original standard-defining Pultec plug-ins, the EQP-1A faithfully models the overbuilt transformers and complex tube amplifiers of the original hardware. Simply running a full mix or single instrument through it imbues the track with the legendary Pultec analog magic. And, with these new plug-ins, you can actually hear the Pultec's amplifier overload effects — just as you would with the hardware — unleashing a bounty of sublime results.
The Signature Effect on Low End
The Pultec EQP-1A’s signature effect, unintended by its designers, is its ability to seemingly boost and cut the same frequency simultaneously. In reality, the filters actually alter adjacent frequencies, but the naturally interactive resonant dip has an amazing boosting and tightening effect — especially on bass guitar and kick drums. 
Shaping Your Mids: The MEQ-5
The MEQ-5 Mid-Range Equalizer is the richly colorful tube-amplified companion to the EQP-1A. With two bands of midrange boost and one band of midrange dip, the MEQ-5 gets the very best out of the ”power region” where guitars and vocals can make or break a mix. The unique band overlap and filter interaction unleash the vibrancy of these instruments in the track – without fighting your overall mix.
Tame The Sides: The HLF-3C
The never-before-available HLF-3C completes the Pultec Passive EQ Collection. This new plug-in adds 12 dB per octave low and high cut filters, for broad retro-tonal sculpting or bygone-era special effects. You can easily subtract the unnecessary frequencies in any instrument and sub-group so they stay wonderfully musical in the mix.

Artist Presets
In developing the Pultec EQ Collection, UA commissioned some of the biggest names in the business to develop custom presets. Check out John Paterno's (Steve Gadd, The Black Crowes, Bonnie Raitt) ”Clear, Big-Body Acoustic” and his ”U-47” and ”U-67” settings. Also demo Jacknife Lee’s (The Cars, U2, Taylor Swift) ”Drum Buss Earth and Air” and ”Acoustic Guitar Tamer.”
See a list of Pultec presets here.



Pultec Passive EQ Plug-In Collection.
Basics and FAQ.
How does the new Pultec Passive EQ Collection compare to the previous Pultec plug-ins offered by Universal Audio?

The plug-ins in the Pultec Passive EQ Collection benefit from the additional processing power afforded by the UAD-2, plus more than 10 years of UA’s evolving sophistication in plug-in design. While our original Pultec plug-ins remain an excellent rendition of the hardware, the new Pultec Passive EQ Collection plug-ins add the transformer and complex tube amplifier nonlinearities to these must-have tools. The sophisticated modeling technology used today in this new plug-in collection captures all of these tone-enhancing characteristics for individual sources to full program material.

Does the Pultec Passive EQ Collection replace the "old" Pultec plug-ins?

No, the original Pultec EQP-1A Legacy plug-in will continue to be included in the “Analog Classics” bundle, which is provided with the purchase of any UAD DSP product. The UAD Pultec EQP-1A (Legacy) and UAD Pultec-Pro (Legacy) remain useful, in that they consume less DSP, and are less sonically “colored” — which may be desirable in some instances.

Can I still purchase the “old” Pultec-Pro plug-in?

For the few UAD customers who do not already own the UAD Pultec-Pro (Legacy) EQP-1A/MEQ-5 combo plug-in, they will get it as a fourth plug-in title with the purchase of the Pultec Passive EQ Collection.

The layout of the EQP-1A is a bit confusing. What are the parameter associations?

The EQP-1A is a three band EQ with a layout that may be less than intuitive to a new user. Here’s a visual breakdown of the controls associated with each of the bands; Low Shelf, High Peak and High Shelf.

The Low shelf can be boosted and/or attenuated for a special effect that creates a shelf boost with a resonant dip near the cutoff frequency. The High Peak filter can be boosted along with an adjustable bandwidth or Q, while the High Shelf is attenuation only.

How does the EQP-1A boost and cut the same frequency?

In the documentation supplied with original hardware EQP-1A, it is recommended that the Boost and Attenuation not be applied simultaneously to the low frequencies because in theory, they would cancel each other out. In actual use however, the Boost control has slightly higher gain than the Attenuation has cut, and the frequencies they affect are slightly different. Really, there are two shelf filters present that can interact due to the fact that the Pultec is a passive EQ with no buffering between the boost and cut filter stages; this allows the boost and cut filters to be tuned in their interaction with each other, and the cut becomes a slightly resonant dip along with the shelf boost.

What defines a passive EQ design, and why is it special?

A passive EQ is a variable equalizer requiring no external power to operate, consisting only of passive components. Passive designs are favored for their high dynamic range, low noise, and reliability. The downsides of passive designs are insertion loss (the signal gain is significantly reduced) and frequency roll-off (depending on impedance). The Pultec HLF-3C is such a design (but is gain compensated in the plug-in). The EQP-1A began life as the fully passive EQP-1, but the updated EQP-1A was fitted with tube amplification and transformer isolation to make up for the insertion and frequency loss. Make-up amplifiers are now common to most modern passive EQ designs, like the Manley Massive Passive




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  • Joe Chiccarelli

    (Jason Mraz, Beck, The Strokes, Morrissey)

    I love the Pultec HLF-3C plug-in. The steep cutoff filters and slight combing effects are great to give things an old-time vintage feel, or a telephone-type effect on a vocal or keyboard.

    Mick Guzauski

    (Daft Punk, Mariah Carey, Eric Clapton)

    At last, a faithful and eminently usable emulation of the Pultec equalizers to add to my collection of go-to plug-ins.

    Glen Nicholls

    “The new [UAD Pultec Passive EQ Collection] is very special indeed. It has heaps of warmth and a really nice open clarity on the top end. It’s beautiful on vocals and guitars.”

    Neal Cappelino

    (Alison Krauss, Brad Paisley, Joan Osborne)

    "The best way to put iron in your path, the UAD Pultec Passive EQs capture the sound of those transformers and the magical feel of those gentle, sweeping curves."

    Jeff Balding

    (LeAnn Rimes, Faith Hill)

    "I've owned and used Pultec EQ's my entire career and the new UAD Pultec Passive EQ Collection has all the subtleties that I find with the original hardware."

  • Jacknife Lee

    (R.E.M, The Cars, Snow Patrol)

    “[The UAD Pultec Passive EQ Collection plug-ins] are sweet sweet things. They sound smooth and lovely. I'm using them gently but you don't have to. Slam them, they still sound good. Another gem.”

    Ryan Hewitt

    (Red Hot Chili Peppers, The Avett Brothers)

    The Pultec Passive EQ Collection is just sick. The legacy versions were great to begin with, but the new ones add yet another level.

    Jason Schweitzer

    (Eminem, Busta Rhymes, Ciara)

    “The new [UAD] Pultec Passive EQ Collection is very smooth and analog sounding now. I have used the hardware and the plug-in a thousand times, and this update really makes a difference.”

    Mark Needham

    (The Killers, Neon Trees, P!nk)

    “I have compared all of the [UAD] Pultec plug-ins with the hardware and the the real ones stay off now.”

    Matt Knobel

    (Lenny Kravitz, Mary J. Blige)

    “The new [UAD] Pultec plug-in has turned into my go to EQ for final color. FAT Bottom and silky smooth top. Wow.”

  • Jeff Juliano

    (John Mayer, Shinedown, Train)

    "The [UAD] Pultec Passive EQ Collection is so spot on with the originals it eliminated my need and want to ever own the hardware."

    Van Rivers

    "I’ve been using the 16k band of the new [UAD] Pultec plug-in to add air to my master bus and lead-vocal track. It really sounds sweet and musical. Highly recommended."

    David Isaac

    (Marcus Miller, Luther Vandross, Eric Clapton)

    The soulful analog character that the UAD Pultec EQ Collection gives you is absolutely astonishing. If I close my eyes, it reminds me of a brand new vinyl record.

    Richard Dodd

    (Tom Petty, George Harrison, Dixie Chicks)

    "[The UAD Pultec Passive EQ Collection plug-ins] are like Windex for Wavs."

    Steve Levine

    (Culture Club, Beach Boys, Ziggy Marley)

    The new UAD Pultec Collection gives producers access to an even greater tone-sculpting pallet.

User Ratings

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Average Rating (362 Reviews)
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    Gives my vocal a warm bright sound
    by P. Wallette(Friday 14 October, 2016)

    Just upgraded from the Legacy version.... and YES, there is a big difference to the better, cant understand why some says it sounds the same? I have two wishes though... 1. Why not work the same way as with the Legacy with the ability to put all units together with one click? With one… Read More

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    Great Tool
    by S. Gibbons(Thursday 13 October, 2016)

    I use this collection on several different things. I love using them on vocals. The frequency response is great and it's definitely worth upgrading from the Legacy version. Read More

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    • 5 Star
    Great Sounding Equalizer BUT....
    by A. Chas(Tuesday 11 October, 2016)

    For me (EQP-1A) there are many frequencies missing, It could be very flexible EQ for sound design. Specifically low frequencies 20, 30, 60, 100 isn't really much. It could be expanded in digital domain especially...would be nice if UAD makes an update and add some more flexibility. There… Read More

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    Yummy EQ
    by N. Nolan(Thursday 6 October, 2016)

    I've never worked with a real Pultec. I have used the UA Legacy and the Waves. Both of those are nice and give you a special experience but this update takes it into total realism. The best way I can describe it: when you add or cut a frequency, it never sounds bad. Even if you've chosen the… Read More

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    Fantastic EQ
    by D. Williams(Wednesday 28 September, 2016)

    I didn't do A/B comparisons with the Legacy bundle but I didn't pay much for the Pultec Passive EQ collection and felt I needed it. Whether it is necessary or not you'll have to decide. For me this is a fantastic EQ. I have lots of great EQs, some quite flexible and powerful. I love the… Read More


  • Michael Angelakos

    Passion Pit frontman Michael Angelakos breaks down the group’s creative process and how Apollo and UAD plug-ins act as a main ingredient. Read More

    Michael Ilbert

    Engineer/producer Michael Ilbert's has crafted records by the Hives, Supergrass, and In Flames, Taylor Swift and many more. Read More

    Emily Lazar

    As the founder and chief mastering engineer of The Lodge in New York City, Lazar has played a key role in crafting some of the biggest albums of the 2000s. Read More

  • Armin van Buuren

    In the world of dance music, few have amassed as stellar a resume as Armin van Buuren. Here, he details how UAD plug-ins help him to entrance audiences. Read More

    Dave Tozer

    Here, Dave Tozer details how you can synthesize a powerful UAD/Logic Pro X production workflow. Read More

    Salaam Remi

    From Amy Winehouse to Big Boi, Salaam Remi is one of the top producers in the world. Here, he shares how he uses Apollo and UAD-2 to craft his tracks. Read More

  • The Black Keys

    The Black Keys' Dan Auerbach and Patrick Carney detail their recording process and how UAD Powered Plug-Ins are essential to their careful balance of raunch and refinement. Read More


Features & Specs
Pultec Passive EQ Plug-In Collection.
Key Features
  • Painstaking circuit reproduction of the most popular outboard studio equalizers ever made
  • Must-have studio staple Pultec Equalizers: EQP-1A Program EQ, MEQ-5 Mid-Range EQ, HLF-3C Filters
  • Models entire electronic path, including tube amplifiers and transformers, for colorful, highly-musical distortion
  • Silky, vintage highs and tight, focused lows using combined boost/cut resonant shelf dip with EQP-1A
  • Broad, overlapping frequency selections for fine peak and dip midrange filter control with the MEQ-5
  • 12 dB cut filter tonal sculpting or special effects with the HLF-3C
  • Includes Artist Presets from Neal Cappellino, Jacknife Lee, and John Paterno
  • Requires a UAD-2 DSP Accelerator or Apollo Interface available from authorized dealers worldwide

See the UAD Instance Chart here


Pultec EQP-1A Program Equalizer
  • Low Frequency switch: 20, 30, 60, 100 CPS (Hz); frequency cycle button with "CPS" label, shift + click to reverse
  • Low Frequency Boost knob: 0.00 to 10.0 shelf filter; can be used simultaneously with LF attenuation
  • Low Frequency Atten knob: 0.00 to 10.0 shelf filter; can be used simultaneously with LF boost
  • High Frequency switch: 3, 4, 5, 8, 10, 12, 16 KCS (kHz); frequency cycle button with "KCS" label, shift + click to reverse
  • High Frequency Boost knob: 0.00 to 10.0 peak filter
  • High Frequency Bandwidth knob: 0.00 to 10.0 Q, sharp to broad
  • High Frequency Atten switch: 5, 10, 20 KCS (kHz); frequency cycle button with "ATTEN SEL" label, shift + click to reverse
  • High Frequency Atten knob: 0.00 to 10.0 shelf filter
  • Enable switch: Out/In; soft bypass, system filtering/nonlinearities still present
  • Output/Power knob: ±12 dB provides clean, uncolored gain, clickstop/Off disables all DSP processing; clicking “OFF” label toggles between hard bypass and previous Output gain value, “0” label provides RTZ (return to zero) button
Pultec MEQ-5 Mid-Range Equalizer
  • Low Mid Frequency switch: 200, 300, 500, 700, 1000 CPS (Hz); frequency cycle button with "PEAK" label, shift + click to reverse
  • Low Mid Peak Boost knob: 0.00 to 10.0 peak filter.
  • Mid Frequency Dip switch: 200, 300, 500, 700, 1, 1.5, 2, 3, 4, 5, 7 CPS/KCS (Hz/kHz); frequency cycle button with "DIP" label, Shift + click to reverse
  • Mid Frequency Dip knob: 0.00 to 10.0 dip/notch filter.
  • High Mid Frequency switch: 1.5, 2, 3, 4, 5 KCS (kHz); frequency cycle button with "PEAK" label, shift + click to reverse
  • High Mid Boost knob: 0.00 to 10.0 peak filter.
  • Enable switch: Out/In; soft bypass, system filtering and nonlinearities still present
  • Output/Power knob: ±12 dB provides clean, uncolored gain, clickstop/Off disables all DSP processing; clicking “OFF” label toggles between hard bypass and previous Output gain value, “0” label provides RTZ (return to zero) button
Pultec HLF-3C Cut Filters
  • Low Cut-Off switch: Off, 50, 80, 100, 150, 250, 500, 750, 1000, 1500, 2000 CPS (Hz) 12 dB per octave; frequency cycle button with "CPS" label, shift + click to reverse
  • High Cut-Off switch: 1.5, 2, 3, 4, 5, 6, 8, 10, 12, 15, Off KCS 12 dB per octave (kHz); frequency cycle button with "KCS" label, Shift + click to reverse
  • Enable switch: Out/In; disables/enables all processing

David Isaac
(Prince, Eric Clapton, Robin Thicke, Madonna)

UAD Pultec EQP-1A

  • A-U-T-O-Matic Kick
  • A-U-T-O-Matic Snare
  • Cuts Through
  • DT Walker Guitar 1
  • DT Walker Guitar 2
  • Feels Like Heaven
  • Guitar Warmer
  • iPad My Pad
  • Jamer's Son Bass
  • Princelike
  • Rhode Butterfly
  • RP Jr Guitar 1
  • RP Jr Guitar 2
  • The Artist

UAD Pultec HLF-3C

  • Bring It In A Little
  • CottonMouth
  • Forgot My Hat
  • High Narrow Window
  • Kickin' It
  • Middle Of The Road
  • Shrinkage
  • Small Speaker
  • Underwater

UAD Pultec MEQ-5

  • Big Money Guitar
  • Bottoms Up
  • Fusion Tacos
  • Motown Bass Sauce 1
  • Motown Bass Sauce 2
  • Warm Keys
  • Wurly Range 1
  • Wurly Range 2
Jacknife Lee
(U2, R.E.M., Taylor Swift, Snow Patrol)

UAD Pultec EQP-1A

  • Drum Buss Earth and Air
  • Drum Buss Excitement
  • Finger Bass Fatterizer
  • Smaller Acoustic Guitar
  • Upright Piano
  • Warmer Bass DI

UAD Pultec HLF-3C

  • Drum Buss Smaller
  • Intercom
  • Next Door
  • Piano Filter Cutting

UAD Pultec MEQ-5

  • Acoustic Guitar Tamer
  • Acoustic Less Bulk
  • Drum Buss Biggerer
  • Overheads
  • Piano Clarity
  • Super Clean Guitar Spike
Jeff Balding
(Ronnie Dunn, Megadeth, Taylor Swift)

UAD Pultec EQP-1A

  • Acoustic Gtr Presence
  • Bass Simple
  • Bass Sub
  • Bass
  • Drum Room Clean
  • Drum Room Crunch
  • Drum Room Smooth
  • Drum Room Sub
  • Electric Gtr Bite
  • Kick Basic
  • Kick Bright
  • Kick Deep Sub
  • Kick Deep
  • Kick Exciter
  • Snare Basic
  • Snare Exciter
  • Snare Fat
  • Vocal Forward
  • Vocal Presence

UAD Pultec HLF-3C

  • Dark Kick
  • Electric Gtr Roll-off
  • Filtered Bass
  • Filtered Electric Gtr
  • Telephone Loop

UAD Pultec MEQ-5

  • Acoustic Gtr Focus
  • Bass Focus
  • Electric Gtr Focus
  • Electric Gtr Solo 1
  • Electric Gtr Solo 2
  • Hat
  • Kick
  • Organ
  • Snare 1
  • Snare 2
  • Vocal MidFat
John Paterno
(Robbie Williams, Badly Drawn Boy, Bonnie Raitt)

UAD Pultec EQP-1A

  • 47 mic Voc EQ
  • 67 mic Voc EQ
  • Bass Girth
  • Distorted Gtr Focus
  • Tighter and Brighter OHs

UAD Pultec HLF-3C

  • Skinny Funk Guitar
  • Thick Funk Guitar

UAD Pultec MEQ-5

  • Bass Growl
  • Clear Big-Body Acoustic
  • Snare Girth
  • Vocal Focus
Neal Cappellino
(Alison Krauss, Brad Paisley, Joan Osborne)

UAD Pultec EQP-1A

  • Drum OH-Cymbal Shine
  • Vocal Lift
  • Wurly Tone

UAD Pultec HLF-3C

  • Thru A Victrola

UAD Pultec MEQ-5

  • Acous Gtr Boom Tamer
  • Elec Guitar Thicken
  • Grand Piano Widen
  • Lap Steel Presence
Richard Dodd
(Tom Petty, George Harrison, Johnny Cash)

UAD Pultec EQP-1A

  • RD1
  • Windex for Wavs

UAD Pultec HLF-3C

  • What's Left, You Need

UAD Pultec MEQ-5

  • Bass Up
  • New Mic Made Older
  • Vocal Up
Steve Levine
(Culture Club, Beach Boys, Patch William, Ziggy Marley)

UAD Pultec EQP-1A

  • Blown Tweeter
  • Ear Buds
  • Kick Tight and Punchy
  • Low End and Fresh Air
  • Mix Air and Low End
  • Mix Air
  • Reggae Bass
  • Reggae Hat
  • Reggae Piano
  • Sub Bass Dub Loop
  • Sub Bass Paper Thin Top

UAD Pultec HLF-3C

  • Dullard Hat
  • EP-34 Tape Echo Filter
  • Popper Stopper
  • WahWah Automate Low Cut

UAD Pultec MEQ-5

  • Beach Ball Kick Crisp Snares
  • Boombox Boy
  • Clear Hatty
  • Great for 808
  • Klicky Kicky
  • Nasty In Your Face Snare
  • Plucky Guitar 1
  • Plucky Guitar 2
  • Snare Crispy Not Boxy
  • Suck Out My Heart
  • WahWah Automate Mid Freq
The Glitch Mob

UAD Pultec EQP-1A

  • The Glitch Mob Shredder


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