Kush Audio Electra 500 Equalizer

500 Series 4-band Single-channel Equalizer with Two Sweepable Proportional-Q Midbands, and High/Low Shelving
Kush Audio Electra 500 Equalizer image 1
Kush Audio Electra 500 Equalizer image 1
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Kush Audio Electra 500 Equalizer
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Analog EQ at Its Finest

The Kush Electra is a 4-band 500 Series EQ that lets you redefine how the transients and harmonic components of your signal interfuse. This Electrified Transient Equalizer employs a multi-topology design to give you new creative options in defining how your sounds interlock, move air, and even affect the emotions of your listeners. With two sweepable Proportional-Q bands, plus high and low shelving, Electra delivers punchy lows; creamy, detailed midrange; and delicious analog highs. Re-imagine what can be done with an equalizer, with the Kush Electra.

Kush Electra 500 Series EQ at a Glance:
  • Sculpt your mids
  • Tighten up the low end
  • Breathe life into your highs
Sculpt your mids

The Kush Electra's two fully sweepable Proportional-Q midbands let you push hard or dig deep without sounding stressed or unmusical. The more you boost or cut, the narrower the filters get - which makes them gentle at low gain and quite powerful at high gain. Their adaptive shape is always highly musical, letting you add incisive thwack to a snare, brighten a vocal without losing warmth, or even totally rebalance the elements of a drum loop as if you had level controls over the various components.

Tighten up the low end

Kush gave the Electra a fixed low shelf and a continuously variable (25-400Hz) 12dB/octave highpass filter that play especially nice together. The HPF exhibits just a taste of bite on the corner, which makes it lovely for cleaning up muddiness in your tracks. Combined, the shelf and HPF let you reshape and tighten up even the most obstreperous low end.

Breathe life into your highs

Kush fitted the Electra with a gorgeous-sounding, fully sweepable (3.8-20k) high shelf that reminds us of the coveted vintage mastering EQs of yesteryear. This shelf breathes life into the dingiest sound and adds the type of sublime shimmer that seems so elusive when using plugins. There's nothing quite like the Kush Electra. You need it.

Kush Electra 500 Series EQ Features at a Glance:
  • 500 Series single-channel EQ
  • 4 bands, plus highpass filter
  • Hi Shelf: Sweepable 3.8kHz - 20kHz
  • Hi Mid: Proportional Q, Sweepable 250Hz - 5.4kHz
  • Lo Mid: Proportional Q, Sweepable 30Hz - 730Hz
  • Lo Shelf: Fixed 90Hz
  • Hi Pass: 12dB/octave Butterworth
  • Class A amplifiers
  • DC-coupled signal path
  • Fader Mode converts Low Shelf to Fader for channel strip operation
The Kush Electra: it's analog EQ at its finest!

Additional Media

500 Series Buying Guide
Signal Processing Buying Guide

Tech Specs

Number of Channels 1
Number of Bands 5-band
High Pass Filter Yes
Low Pass Filter Yes
Q Type Proportional Q
Boost/Cut Range ±12
Freq Range High 3.8kHz-20kHz (Sweepable Hi-Shelf)
Freq Range Hi-Mid 250Hz-5.4kHz
Freq Range Lo-Mid 30Hz-730Hz
Freq Range Low 350Hz (Fixed Low-Shelf)
Manufacturer Part Number Electra 500

Customer Reviews

Based on 4 reviews
Write your review

Look No Further

Just sweep and smile, you don,t need numbers to find what counts on a track with the Electra. It,s easy to hear the good from the bad you don,t need. I would,ve bought this just for cutting and be happy. I find myself reaching for this more than the others. You,ll be smiling from ear to ear!

These are pretty phenominal

I've had a lot of EQs come and go in my studio, both rack mount and 500 series. These are by far my favorite EQ to date, even besting my prized piece (and foundation of my studio), an 8 channel Sontec clone. I can't say enough about them and I'm very happy to report that people aren't just blowing smoke about them. They enhance transients (is that even possible??), sweeten highs, tighten lows......all the cliche terms. It's a very clean EQ and by that I don't mean sterile. They add excitement to anything I put them on. Ok I'm done gushing
Music background: Musician, producer, engineer, mixer, mastering engineer


I've been around the block using EQ processors for the 500 series. Each EQ processor has its own flavor and individual taste to it. Some are surgical, others are more generalized and it really depends on what you are going to be using the EQ processor for. Remember that EQ'ing is not something that should be done ALL the time. It's a way to tweak, to adjust and to fix, IMHO. The Kush Electra is an outstanding EQ processor, though it is somewhat challenging to adjust and get those perfect settings, its pretty difficult to really make it sound bad. In other words, it sounds good no matter what level or profiency you are at with using outboard gear. It's for sure not suited for some applications however for a LOT of applications it is perfect and I am really enjoying using this module. If you are a beginner I'd say be aware that it takes some expertise to get it just right but if you've been around for a while this is your EQ. The price is great, the quality is amazing, the High/Low shelving is really neat and although I have other EQ's that I use as well, this is simply another TOOL in my toolbox of gear and processors to make better sessions. Don't go for ex. an API 550. Use a plugin for that. Seriously just b/c something is expensive does NOT mean it is good. The Neve 1073 LB EQ was one of the more annoying EQ's that I used. Thats just me I could be just really dumb :) who knows but don't base it on price. Read reviews, do your research so you won't have to take back outboard gear over and over again and end up frustrated like I once was.
Music background: who cares

Awesome Electra!

Kush UBK has done it again. These EQ's are great! Instruments sound more forward and focused. They can clean up the bottom end while driving things hard. They have MOJO! Its like I can't make them sound bad. Jeff at sweetwater has been excellent in helping me piece together my studio!
Music background: producer
See also: Kush Audio, Kush Audio 500 Series EQ, Kush Audio Parametric EQ