Revive Audio Modified: Klark Teknik Eqp-kt Tube Equalizer! New!

Revive Audio Modified: Klark Teknik EQP-KT unit that is a new unit opened for modification

Priced just right with a full 1 year warranty!

We have multiples available for those that would like a stereo pair.

On the EQP-KT we offer a wonderful circuit upgrade that really smooths out this reproduction equalizer making it great for any number of applications.

We put a lot of love into the mods on this one as with all of our modifications, to squeeze out the maximum performance possible.

While the design is not authentic to an original these sound fairly nice for the money, however the cost cutting measures small up the sound while making the unit sound brittle and lack luster when boosting when compared to the original.

A big lacking element in these reproductions seems to be in the passive filter sections where the low end is really not very large or musical.

The approach we use is fairly similar to the EQP Warm Audio modifications we perform.

With the modifications we remedy these issues and really bring out the Pultec in these.

About the design:

The EQP-KT utilizes Midas input and output transformers and is currently produced By Music Group who bought out Klark Teknik and a handful of other companies.

The modifications we perform on the circuit are very similar to our highly regarded Warm Audio EQP modifications!

The circuit is fairly close to the original but as with most Chinese manufactured units, the quality of the components leaves the sound in the Wanting category.

One short cut beyond the quality of components is the lack of an interstage transformer.

The interstage transformer while not necessary for the gain of the design, did impart a fair amount of color and offered nice de-coupling for DC between the EQ and amp stage.

We address this in Proprietary way that really brings the warmth back to design in this section.

Our modifications bring back the low end, smooth out the top end of the equalizer and bring back the character to the design.

The Results:

The service increases the headroom of the unit, widens the frequency response, smoothes out the Filters response across all bands.

So The modifications:

We do a complete audio path upgrade using premium parts for lower noise and higher headroom as well as lower distortion.

All Audio caps, filters are swapped out for better performance using Panasonic Parts and Wima Capacitors in the audio path for more authenticity in value and operation.

This includes all filters as well and really is the Bees-Knees.

Bypassing is performed where necessary for lower noise in the power supply.

Power supply modifications are also performed Thru out for the lowest possible noise figures in the overall design and better current delivery.

Tubes are then swapped for more complimentary versions in the design in terms of authenticity.

Here is some manufacturer info:

Soul of a Classic EQ

At Sweetwater, the name Pultec commands reverence. Magical tools revered for their ability to improve the sound of audio simply by passing signal through them. Pultec equalizers like the EQP-1A are the stuff of legend. They're all over many of your favorite records. Rare vintage units cost a pretty penny — if you can even find one in good working order. Enter the Klark Teknik EQP-KT Classic Tube Equalizer. Inspired by the classic Pultec, the EQP-KT is a vintage Class A circuit design constructed from top-drawer discrete components meticulously selected to meet or exceed the specs of the original EQP-1A. Combining unparalleled precision and signal integrity with the warmth of its all-tube circuitry, Klark Teknik EQP-KT delivers mastering-grade EQ at a price any project studio can afford. You can't afford to be without one.

A modern take on a classic tube design

Ever since Eugene Shenk's original designs in the mid-1950s, engineers have prized Pultecs for their smooth, musical sound, and have used them at all stages of the recording process, from tracking to mastering. To achieve the characteristic warmth of this legendary EQ, Klark Teknik uses hand-selected 12AX7 and 12AU7 tubes. And for optimal audio reproduction in studio and live environments, Klark Teknik incorporated custom Midas input and output transformers into the EQP-KT design. This combination of high-quality components delivers ultra-low-noise output with tight, punchy bass, silky midrange, and brilliant, airy highs.

Boost, cut, or both — it all sounds great

Take a look at the EQP-KT — or a Pultec EQP-1A — and you'll see they're 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 options for those that may inquire:

If you have a unit that you would like modified, send us an email on our website to the Mod Shop or simply purchase your Mail in service.

Current pricing is $350 with free return shipping.

Sale includes: Brand New: Revive Audio Modified Klark Teknik EQP-KT, Tube equalizer.