ART EQ-351

31-band 1/3 Octave Graphic EQ with Constant-Q Circuitry
ART EQ-351 image 1
ART EQ-351 image 1
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ART EQ-351
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Take Control of Your Signal With This Powerful EQ!

Would you like to tighten up your sound to better suit its environment? The new 351 is a single-channel, 31-band graphic equalizer that integrates perfectly into any audio system. It's the perfect choice for live sound, instrument racks, DJ sound systems and fixed equipment installations.

See the 355 for the dual-channel version.

  • 31-Band Graphic Equalizer
  • Constant-Q Filtering
  • Balanced XLR, Active Balanced 1/4", and Unbalanced RCA Input and Output Connectors
  • Variable High-Pass and Low-Pass Filters
  • +/- 6dB or +/-12dB Level Adjustments
  • 20mm Center Detented Frequency Band Sliders
  • Independent Level and Bypass Controls
  • Designed for Years of Continuous, Reliable Performance
  • Rugged All Steel Construction
  • One Year Warranty

Additional Media

EQ-300 Series User Manual
EQ-351 Spec Sheet
Signal Processing Buying Guide

Tech Specs

Number of Bands 1 x 31-band
Q Type Fixed
Boost/Cut Range ±6dB, ±12dB
Low Cut Filter Variable
High Cut Filter Variable
Faders Throw 20mm
Rack Spaces 1U
Height 1.75"
Depth 8.5"
Width 19"
Weight 4.5 lbs.
Manufacturer Part Number EQ-351

Customer Reviews

Based on 6 reviews
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art eq

Nice clean and quiet eq...great for the price
Music background: musician

The EQ-351 is a winner unless used wrong.

After adjusting this equalizer carefully, it appears to perform well. The constant-Q design insures that the response is predictable. A word of advice is this: do not think that you can do without a preamp by just plugging a mic into it and then cranking up the level control. The unit is designed to work with a preamp in front of it. If you just plug in a mic then you're asking for hiss. A preamp is essential. In general, line level into the equalizer is what is required. JN
Music background: Songwriter and Christian project studio producer.

ART eq-351

Great value for dollar. Good construction. Not as quiet as some of the high-end analog EQs of yore, but very reasonable for dollars paid. Nice to have several I/O connector options, and sweepable high/low pass.
Music background: AV systems tech

Compressor Sidechain EQ

I needed a cheap EQ for the sidechain input of a compressor. I use it to pull the kick drum out of drum loops and do very subtle ducking of bass/synth tracks. It's the simplest thing, but it turns a drum part and a bass part into a groove. It has a bypass button, handy high/low pass filters, and an output level knob. It's affordable and has all the features I needed. Having the RCA outputs made it easy for me to listen to the EQ'd sound to make adjustments. The tape input on my mixer was just about the only input left, so I appreciated the RCA jacks. I haven't used it for any other purpose, so I can't vouch for the sound quality. I probably wouldn't use it for anything else, but that's mostly because I prefer parametric EQ's.
Music background: Pro musician, Hobbyist home studio

Nice EQ if you know what you're doing.

As with any piece of equipment this EQ is only as good as the knowledge of the person using it. I bought mine used from eBay because I needed an EQ for my guitar rack. I liked this one because of the filters so I bought it. With a little tweaking it sounds pretty dang good. At first it was making a hiss which went away when I hit the bypass button, but I was having a brain fart when I put it in my rack and put it ahead of the preamp. D'oh! Switched it around and no more hiss. The detents are positive and its built pretty well. maybe it would be a little easier to see if the faders were lit, but its not anbig deal. I have a modest guitar rig consisting of a Behringer Vampire head and a Bugera 4x10 slant, but the tone wasn't quite right, especially at high volume, so I expanded. I added a Behringer Composer MDX-2200, a BBE 402 sonic maximizer, a Peavey Ultraverb, and this EQ (and of course a power conditioner) and now I have the sound I have been looking for. Nice unit for the price if used wisely. As for negatives, I don't know about customer support, haven't used them yet. Minor cosmetic issue, the outputs on the back didn't originally line up within the reach of a 6" patch cable. Not a big deal though, just thought I would mention it since all of my outputs are on one side except this one. I can't think of any more negatives about it.
Music background: Working musician, 28 years of musical experience/ live sound engineer/ feedback destroyer
See also: Graphic Equalizers, ART, ART Graphic EQ, ART Graphic EQ