Pultec EQP-1A3-SS EQ with API Gain Stage

1-channel, 2-band Solid-state Equalizer with Switchable Frequency Selection and Variable Bandwidth
Write review Item ID: EQP1A3SS
Pultec EQP-1A3-SS EQ with API Gain Stage image 1
Pultec EQP-1A3-SS EQ with API Gain Stage image 1
Special Order
Special-ordered from Pultec and usually arrives to you within 1-2 weeks. Please note: special orders cannot be canceled or returned.
Note: While most of the items we sell ship for free, this item does not qualify for free shipping due to special circumstances.

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Pultec EQP-1A3-SS EQ with API Gain Stage
Special Order

Not a Clone, Not an Emulation, This is a Real Pultec EQ!

The Pultec EQP-1A3-SS 2-band equalizer, the modern-day version of the legendary EQP-1A equalizer, can give your tracks the massive bass, silky highs, and addictive warmth that made the original a studio standard. Instead of the original tube-based makeup gain stage, the EQP-1A-SS uses the revered API 2520 op-amp. New Pultecs like the EQP-1A3-SS contain only original-spec components and are dead ringers for their vintage ancestors. It may sound like magic but it's been time-tested and proven - the Pultec EQP-1A3-SS equalizer can make any track sound better.

Pultec EQP-1A3-SS 2-band Equalizer at a Glance:
  • Thank Pultec for decades of amazing recordings
  • API 2520 op-amp for a different flavor of Pultec EQ
  • Boost, cut, or both - it all sounds great
Thank Pultec for decades of amazing recordings

Magical tools revered for their ability to improve the sound of audio simply by passing signal through them, Pultec equalizers like the EQP-1A3-SS are the stuff of legend. You've heard them on countless hits. Rare vintage units cost a pretty penny - if you can find one in good working order. So naturally, there have been many hardware and software "re-creations" over the years. Well, now you can grace your recordings with the sweet sound of the EQP-1A3-SS: a genuine, made-in-America Pultec EQ.

API 2520 op-amp for a different flavor of Pultec EQ

While every other aspect is the same as original Pultecs, the EQP-1A3-SS-SS employs the legendary API 2520 op-amp for its makeup gain stage instead of the traditional tubes. Many would say this gives the EQP-1A3-SS-SS a less-colored sound than the tube-based version, while retaining the exceptional musicality and richness Pultec EQs are loved for.

Boost, cut, or both - it all sounds great

Take a look at the Pultec EQP-1A3-SS and you'll see it's not designed like your typical equalizer. The two-band design basically gives you flexible low shelving, along with broad-bandwidth midrange peak control. Because the boost and attenuate controls work independently you can use an old trick to add weight to the bass region while also notching a bit above the cutoff point, by boosting and attenuating at the same time (try it on kick drum and you'll never look back). On the high-frequency side, you can set separate ranges for the boost and attenuation. Said another way, you can boost at 12kHz and cut at 5k, adding "air" to a track without increasing presence.

Pultec EQP-1A3-SS 2-band Equalizer Features:
  • Single-channel, 2-band equalizer built exactly like the original, legendary Pultec units
  • Combines the vintage character of original Pultecs with the reliability of modern design
  • API 2520 op-amp for makeup gain is a distinct sonic alternative than the tube-based version
  • Incredibly low noise floor for a pure sound
  • Bandwidth control lets you decide how wide a range you're sculpting
  • Separate boost and cut controls provide some extra creative potential
Pultec is back and better than ever with the EQP-1A3-SS!

What Does "Special Order" Mean?

A special-order product is one that we don't normally keep in stock. We order it from the manufacturer as soon as you order from us. We have great relationships with all the manufacturers we carry, so we can get your special order to you as fast as or faster than anyone else. Remember that special orders are non-returnable and non-cancelable, so make sure the item is right for you. A Sweetwater Sales Engineer can help you decide — call (800) 222-4700 for assistance!

Additional Media

Signal Processing Buying Guide

Tech Specs

Number of Channels 1
Bypass Yes
Inputs 1 x XLR
Outputs 1 x XLR
Number of Bands 2
Q Type Variable
Boost/Cut Range +13.5dB LF boost, -17.5dB LF cut, +18 HF boost, -16dB HF cut
Frequency Response 20Hz-20kHz
Freq Range High 3kHz-20kHz
Freq Range Low 20Hz-100Hz
Rack Spaces 2U
Height 3.5"
Width 19"
Manufacturer Part Number EQP-1A3-SS

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See also: Pultec, Pultec Parametric EQ, Pultec Parametric EQ