Pultec EQP-1S3 EQ

1-channel, 2-band Tube Equalizer with Switchable Frequency Selection and Variable Bandwidth
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Pultec EQP-1S3 EQ image 1
Pultec EQP-1S3 EQ image 1
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Pultec EQP-1S3 EQ
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Not a Clone, Not an Emulation, This is a Real Pultec EQ!

The Pultec EQP-1S3 two-band equalizer, a rare variant 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. Pulse Techniques is back, building their classic EQs right here in the USA, without compromise or "enhancement" to the original designs. New Pultecs like the EQP-1S3 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-1S3 equalizer can make any track sound better.

Pultec EQP-1S3 Two-band Equalizer at a Glance:
  • Thank Pultec for decades of amazing recordings
  • Boost, cut, or both - it all sounds great
  • More selectable frequencies than the Pultec EQP-1A3
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-1S3 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-1S3: a genuine, made-in-America Pultec EQ.

Boost, cut, or both - it all sounds great

Take a look at the Pultec EQP-1S3 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.

More selectable frequencies than the Pultec EQP-1A3

What's different on the EQP-1S3 compared to its brother, the EQP-1A3? There are more selectable frequencies on the high-band of the EQP-1S3, for starters. The equalization curves are also a bit different, and the low-band of the EQP-1S3 sports different frequencies than its brethren, giving you a different flavor while maintaining all that Pultec mojo.

Pultec EQP-1S3 Two-band Equalizer Features:
  • Single-channel, two-band equalizer built exactly like the original, legendary Pultec units
  • Combines the vintage character of original Pultecs with the reliability of modern design
  • 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-1S3!

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
Tube Yes
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 1kHz-20kHz
Freq Range Low 30Hz-100Hz
Rack Spaces 2U
Height 3.5"
Width 19"
Manufacturer Part Number EQP-1S3

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