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Pultec Pulse Techniques




Pultec took their venerable 2U EQP-1A3-SS equalizer and scaled it down - way down - so it fits in your 500 Series rack! Spec'd just like the classic, the Pultec EQP-500A delivers killer bass, sweet highs, and that signature Pultec punch and warmth you've heard on countless recordings. In the 1970s, Pulse Techniques launched a solid-state line-amp version of their EQP-1A3. Based on the coveted API 2520 op-amp, this was, for many engineers, the go-to equalizer for kick, bass, and other instruments that needed to be tight. Now, the 500 Series EQP-500A gives you that inimitable Pultec sound, with the control you need to sculpt superior-sounding tracks.

  • Boost, cut, or both - it all sounds great
  • Vintage solid-state classics
  • Nourish your tracks with the stuff of legend
Boost, cut, or both - it all sounds great
Take a look at the Pultec EQP-500A and you'll see it's not designed like your typical equalizer. The 2-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 your 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 5kHz, adding air to a track without increasing presence.
Vintage solid-state classics
There were solid-state Pultecs? There were, indeed. Introduced in the 1970s, these equalizers sported tighter bass than their tube counterparts and surprisingly sweet-sounding highs. Today's solid-state Pultecs, like their ancestors, employ API 2520 op-amps (rather than vacuum tubes) to drive their make-up gain stages. Otherwise, they're functionally identical to their tubular brethren. If you love the Pultec sound, but the characteristic low-end bloom of the tube units is a bit much, the solid-state models - including Pultec's 500 Series modules - will serve you well.

  • Single-channel, 2-band equalizer built to 500 Series specifications
  • The vintage character of original Pultecs, 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 additional creative potential
  • 20, 30, 60, 100Hz shelf boost, 0-13.5dB
  • 20, 30, 60, 100Hz shelf attenuate, 0-17.5dB
  • 3, 4, 5, 8, 10, 12, 16kHz peak boost, 0-18dB
  • 5, 10, 20kHz shelf attenuate, 0-16dB
  • Amplifier: 20Hz-20kHz; +0, -1dB (ref: 1kHz, including input/output transformers)
  • Input transformer: 600 ohms; output transformer: 600 ohms
  • Noise: below -80dBm; output level:+21dBm maximum
  • Distortion: 0.15% at 10dBm into 600 ohms

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