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Keeley Compressor Guitar Effect Pedal

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The Keeley Compressor pedal is built using tone-tested components and true bypass switching for a clean, unaffected sound when the pedal is off. Meta...Click To Read More About This Product

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OVERVIEW

A studio-grade compressor in a guitar stompbox.

The Keeley Compressor pedal is built using tone-tested components and true bypass switching for a clean, unaffected sound when the pedal is off. Metal film resistors and capacitors ensure the cleanest compressor on the market. Hand-matched transistors to less than 1% tolerance ensures you get a perfectly compressed signal, no chance for unwanted distortions.

The Keeley Compressor is the new standard for guitar compression. It won the Editor's Pick Award from Guitar Player Magazine and, most recently, the Reader's Choice Award for the stompbox category. It features an internal attack control to make it suitable for high-output active basses. It also features an input sensitivity control which allows it to be used in the studio for keyboards, drum machines, for mastering, and other line-level uses.

Low current draw, just 5mA. Uses a standard 9V DC battery and has an AC adapter connection.

FEATURES
  • Its transistors are matched for gain (Hfe) within 1%
  • True bypass
  • Metal film resistors and capacitors
  • Internal attack control
  • Input sensitivity control which allows it to be used with line level sources

High-end rackmount or studio equipment-level compression for your pedal board! Order now!

Reviews
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Review Snapshot

by PowerReviews
KeeleyCompressor Guitar Effect Pedal
 
4.7

(based on 30 reviews)

Ratings Distribution

  • 5 Stars

     

    (24)

  • 4 Stars

     

    (5)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Excellent sound quality (3)

Cons

No Cons

Best Uses

No Best Uses
    • Reviewer Profile:
    • Experienced (3)

Most Liked Positive Review

 

Transparent Sound

This is my first compressor, so I can't really compare it to others. But I do know that the sound is so crystal clear and transparent and the build quality is first class,...Read complete review

This is my first compressor, so I can't really compare it to others. But I do know that the sound is so crystal clear and transparent and the build quality is first class, that I can't imagine ever wanting a different model. Keeley also has a great customer service department, and is very helpful on the phone if you have any questions. I don't often use effects pedals, preferring the natural sound of a great guitar through a tube amp. But after using this compressor pedal just once, I was amazed at what it did for my sound. A compressor pedal does not have as noticeable an effect as other pedals (such as a wah-wah or a distortion or flanger), but it adds the most wonderful shimmering clarity and sustain. There are cheaper models available, but this one is pure quality!

VS

Most Liked Negative Review

 

Keeley Compressor

I previously have used a Boss CS3 compressor and felt I wanted to try the Keeley Compressor(I bought two of these), having heard nothing but great things about the sound produced by this...Read complete review

I previously have used a Boss CS3 compressor and felt I wanted to try the Keeley Compressor(I bought two of these), having heard nothing but great things about the sound produced by this pedal. Here is what I did not hear, prior to buying one.#1. They use a four screw, bottom plate access cover to get to the battery and two internal pot adjustments (intensity/gain and attack).I personally do not like to use external power supplies, so accessing the battery would have been an issue for me.#2. Why would anyone put two pot adjustments, inside the box, which requires a screwdriver to make the adjustments? I later found they do sell the four knob compressor pedal .#3. The battery is not secured in any way, just happens to sit in the space left over. No padding to prevent it from bouncing around....should you need to take the pedal anywhere. At least a little foam could have been used.I used the pedal for less than an hour and decided it was not worth the $. I have since purchased two Boss CS3's as well as a few other Boss pedals, and a pedal board, with all the money left over. IMO, Ibanez pedals have the easiest battery compartment access of any I have owned. Had the Keeley pedal offered something similar, I may have kept their pedals. IMO, it was just not worth spending for two Keeley compressors, just to have all four pot controls on the outside of the box, where IMO, they belong.

Reviewed by 30 customers

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(5 of 6 customers found this review helpful)

 
4.0

Big money, little box

By Tone Obsessed

from York, PA (nowhere)

See all my reviews

Comments about Keeley Compressor Guitar Effect Pedal:

There's quite a bit of hype surrounding this pedal, a lot of which isn't entirely justified. If you're looking for a boost/sustainer tone tool this is a good box which does the job with a minimal amount of noise, provided you don't crank it all the way up. As an effect that actually squashes your sigal and gives you that squishy tone that sounds like a bonafide studio style compressor this box from Keeley really doesn't deliver the goods (for this, check out the EHX White Finger or, on the mildier side, the Joemeek Floor Q). If your looking for a Ross clone the Keeley is probably the best out there. On the down side, it's over-priced and a one trick pony, although admittedly it does that one trick pretty well.

(4 of 4 customers found this review helpful)

 
5.0

compress to impress

By Lance Pentland

from Deer Lodge Montana

See all my reviews

Comments about Keeley Compressor Guitar Effect Pedal:

HOT out of the box! Had to remove back cover to adjust input and attack trim pots. My PRS pickups were a little to hot for factory settings. These minor adjustments are very necessary to match your guitars pickups output. Comparing to boss and comp nova, all three compressor's are different, but useful depending on style and feel your looking for. There are so many compressors on the market today that claim to exceed other competitors, but these three are my favorites at this time. I'm usually not a compressor user for I don't like my dynamics messed with, so keeley and t rex comp nova are very transparent to keep me intrigged.

(3 of 3 customers found this review helpful)

 
5.0

Transparent Sound

By Jimmy J

from Way Up North

About Me Experienced

See all my reviews

Ask me a question

Pros

  • Compact Design
  • Excellent Sound Quality

Cons

    Best Uses

    • Events
    • Home Studio
    • Performances

    Comments about Keeley Compressor Guitar Effect Pedal:

    This is my first compressor, so I can't really compare it to others. But I do know that the sound is so crystal clear and transparent and the build quality is first class, that I can't imagine ever wanting a different model. Keeley also has a great customer service department, and is very helpful on the phone if you have any questions. I don't often use effects pedals, preferring the natural sound of a great guitar through a tube amp. But after using this compressor pedal just once, I was amazed at what it did for my sound. A compressor pedal does not have as noticeable an effect as other pedals (such as a wah-wah or a distortion or flanger), but it adds the most wonderful shimmering clarity and sustain. There are cheaper models available, but this one is pure quality!

    (3 of 3 customers found this review helpful)

     
    5.0

    My attempt to explain a miracle.

    By Andrew Pealock

    from Cleveland, TN

    About Me Experienced

    See all my reviews

    Verified Buyer

    Pros

    • Excellent Sound Quality
    • Responsive
    • Versatile

    Cons

      Best Uses

      • Events
      • Home Studio
      • Performances

      Comments about Keeley Compressor Guitar Effect Pedal:

      One word: TONE. This pedal will take all of the best parts of your sound and push it even farther. It levels out the softness of single notes, will at the same time taming the wildness of hard strumming. This is a must have for studio work or even controlled gigs. I have a relatively standard ambient rig and now with this pedal my swells have sparkle like never before. Save your money and get this pedal, you will not regret it.

      (3 of 3 customers found this review helpful)

       
      4.0

      Overrated

      By hatching

      from Toronto

      See all my reviews

      Comments about Keeley Compressor Guitar Effect Pedal:

      Don't get me wrong, a very, very good compressor, but for the price? I'll take the Barber Tone Press over this any day, regardless of price. This pedal is great, insanely transparent. Helps give much greater clarity to complex chords. Sustain wise, it's great for humbuckers, but is less than impressive with single coils. All in all, very, very good, I just don't think it's good enough to justify the price. There are better compressor's out there for less.Note: This will not make you sound like Trey.

      (3 of 4 customers found this review helpful)

       
      5.0

      The best, but pricey.

      By FrankK

      from Midwest.

      See all my reviews

      Comments about Keeley Compressor Guitar Effect Pedal:

      If you are a serious player who knows he or she wants a compressor, this is the one to buy. Spending the extra $100 for the Keeley is worth it to get the best.Having said that, if you are hobbyist just trying out different pedals to see what they do, I would put this one toward the end of your "to-buy" list.This compressor's effect on tone and sustain is pretty modest. It basically: 1) gives your tone a more "recorded/produced" quality; 2) adds a modest level of sustain; and 3) reduces the dynamic range of the guitar, which is a nice effect for hobbyists with an unsteady picking hand. The downside is that it does limit your dynamic range and it removes the "raw" sound of the guitar.Bottom line: this Keeley is a good tool for advanced players, but most hobbyists should save their money.

      (2 of 4 customers found this review helpful)

       
      5.0

      tight

      By matman

      from Colorado

      About Me Experienced

      Verified Buyer

      Pros

      • Excellent Sound Quality
      • Responsive

      Cons

        Best Uses

          Comments about Keeley Compressor Guitar Effect Pedal:

          outstanding pedal, makes my sound so much tighter. Ive owned cheap compressors so i never knew what they should really do. this one shows me exactly what they should do. way worth the money

          (2 of 4 customers found this review helpful)

           
          4.0

          Keeley Makes the Best Pedals!

          By jdd55

          from Muscle Shoals, AL

          See all my reviews

          Ask me a question

          Comments about Keeley Compressor Guitar Effect Pedal:

          If something ever happened to my Keeley, I would buy another one immediately.
          I spent a lot of hours studying up on compression pedals and finally chose the Keeley 2-knob compressor. One of the best purchases I've made in a long time. It added the sustain I was looking for in a clean sound. In fact, I leave it on all of the time during the shows.
          Seems to be well built. I've had it for over a year with no problems experienced.
          A little pricey, but in my opinion, well worth it to acquire the tone I was looking for.

          (2 of 2 customers found this review helpful)

           
          5.0

          Unbelievable pedal

          By Arthur Bielski

          from Chicago

          See all my reviews

          Comments about Keeley Compressor Guitar Effect Pedal:

          This is the best pedal you can have on your board for rythm work. Absolutely no noise, huge sustain, and just amazing tone. People were telling me how slight compression pedals are in the tone difference and that you need to really have a great ear to notice. Nonesense. The tone is immediately recognized even by my intermediate level ear. Completely cleans up chord work and brightens them up something fierce. On single note play the sustain is simply amazing. I was thinking about getting a Les Paul for its reknown sustain, but thats out the window now. I can play just about anything I want with my PRS 513, and I can even get that warm sustain through this pedal.

          It's expensive, but you get what you pay for. The 4 knob feels like a big tweaking hastle, this one is perfect as she is.
          Incredible tone.
          Built like a Soviet era tank
          High

          (1 of 1 customers found this review helpful)

           
          4.0

          Nice but overpriced

          By Sparkygt3

          from Vacaville CA

          See all my reviews

          Ask me a question

          Comments about Keeley Compressor Guitar Effect Pedal:

          I bought this Keeley Compressor about three months ago and returned it after about a week. I'm sure as compressors go it is pretty good but I could not justify spending the money. For my ear I couldn't tell much difference between other compressors I've tried. It works best as a volume boost but if that's what you want then, I don't know, buy a volume boost and save some money. I will say it is quieter in the gain mode than other compressors I've tried. Overall I would say for the average guitar player who just plays at home or jams with friends on the weekend Keeley products are way overpriced. If you are a serious player maybe they're worth the money?

          (1 of 2 customers found this review helpful)

           
          5.0

          How Could I Play Before??

          By Blue Heron

          from Woodstock, NY

          See all my reviews

          Comments about Keeley Compressor Guitar Effect Pedal:

          I think this is the most useful basic sound-driving device an engineer could build for a guitar player. I use this compressor to drive my effects chain. It tightly controls the level fed to the fx and the amp, creates a smooth sustain, and pleasantly fattens the sound of the instrument while almost paradoxically throttling level. The battery lasts a long time. I love this device.

          (1 of 2 customers found this review helpful)

           
          5.0

          The Best!

          By 505Coyote-myzPu

          from Albuquerque, NM

          See all my reviews

          Comments about Keeley Compressor Guitar Effect Pedal:

          What can I say that hasn't already been said about this magic box? I got the limited edition turquoise colored one. The first one I got was defective, but a hassle-free exchange for a new one at my local music store took care of that. The only gripe I have about this thing is that it makes some serious noise when I turn it on, but that's probably because I have it after my 2 ODs (TS9 with the AnalogMan Classic and Silver mods and Fulldrive 2, both running at 12 volts). I'm positive this is not the pedal's fault. That being said, this thing is amazing. I keep the sustain cranked all the way and the level at about 11:00, since I only use it for country pickin' and full blown soloing. With these settings and this placement in my signal chain, It makes my soloing come alive. If you use this for soloing, I highly recommend turning the sustain all the way up, because this will let your sustained notes fade flawlessly into feedback a la Trey Anastasio.

          (1 of 2 customers found this review helpful)

           
          5.0

          The last compressor you will ever buy!

          By Marshall Gibson

          from Beaumont, TX

          See all my reviews

          Comments about Keeley Compressor Guitar Effect Pedal:

          This is absolutely the most transparent, "un-tone-altering" compressor pedal I have ever heard. The other great thing about this pedal is that it is very simple to operate. I own 4 other compressor pedals and have played a half a dozen or so more. The two problems I find with other pedals are that they take the life out of your tone or have so many knobs that you can't find a good tone even if there is one in there somewhere. The Keeley Compressor gives you pristine sound and easy to use. It will give a little bite to the front end of your clean tone, tighten up your crunch tones, and sustain your leads. I never turn this thing off and I doubt you will either! GET ONE!

          (1 of 2 customers found this review helpful)

           
          4.0

          not for humbuckers

          By ron-T9PU.

          from Miami

          Comments about Keeley Compressor Guitar Effect Pedal:

          Doesnt work well with my Gibson SG. Kinda noisy, more of an overdrive pedal than a compressor. My rack mount compressors (dbx, presonus, etc) give different sound.

          (1 of 5 customers found this review helpful)

           
          2.0

          Keeley Compressor

          By Wayne

          from Pa.

          See all my reviews

          Comments about Keeley Compressor Guitar Effect Pedal:

          I previously have used a Boss CS3 compressor and felt I wanted to try the Keeley Compressor(I bought two of these), having heard nothing but great things about the sound produced by this pedal. Here is what I did not hear, prior to buying one.#1. They use a four screw, bottom plate access cover to get to the battery and two internal pot adjustments (intensity/gain and attack).I personally do not like to use external power supplies, so accessing the battery would have been an issue for me.#2. Why would anyone put two pot adjustments, inside the box, which requires a screwdriver to make the adjustments? I later found they do sell the four knob compressor pedal .#3. The battery is not secured in any way, just happens to sit in the space left over. No padding to prevent it from bouncing around....should you need to take the pedal anywhere. At least a little foam could have been used.I used the pedal for less than an hour and decided it was not worth the $. I have since purchased two Boss CS3's as well as a few other Boss pedals, and a pedal board, with all the money left over. IMO, Ibanez pedals have the easiest battery compartment access of any I have owned. Had the Keeley pedal offered something similar, I may have kept their pedals. IMO, it was just not worth spending for two Keeley compressors, just to have all four pot controls on the outside of the box, where IMO, they belong.

          (1 of 2 customers found this review helpful)

           
          5.0

          STOP LOOKING, YOUR HERE, THIS IS THE ONE...

          By zachtheripper

          from Bloomington, IN

          See all my reviews

          Comments about Keeley Compressor Guitar Effect Pedal:

          This pedal is a must have for all great guitar players. It's not flashy, it doesn't look cool, it won't turn you into jimi hendrix and you won't see reviews say "woah!" or "crazy sounds," but make no mistake, you NEED this pedal! It takes plucking plastic onto metal wires and turns it into an electric guitar. More crisp, more vibrant... just more, and better. Here's what you do: but this pedal right now, put it first in your line of effects (S to 10oclock, L to 2) and adjust all your other pedals around that (because you will never turn it off). Play with it for a week, get used to hearing your guitar with it on, and then in the middle of a jam one day just turn it off. Play for about 10 minutes, then turn it back on and keep jamming. After that, I dare you to return it....

          (0 of 1 customers found this review helpful)

           
          5.0

          Great!!

          By Mahoney

          from Saskatoon, SK

          Comments about Keeley Compressor Guitar Effect Pedal:

          I have owned this pedal for over a year now, I use this pedal with other Keeley products. and have never been more happy with it. The compressor was a little pricey, but well worth it. I hardly ever turn it off. Just a great pedal overall.

          (0 of 1 customers found this review helpful)

           
          5.0

          The Best Ever!!

          By KM

          from Corinth Ms

          See all my reviews

          Comments about Keeley Compressor Guitar Effect Pedal:

          Just simply the best. Worth every penny. I've got one on both my pedal boards and would not want to play without it.

          (0 of 1 customers found this review helpful)

           
          5.0

          Best I've used

          By jt-q.ka1

          from Undisclosed

          See all my reviews

          Comments about Keeley Compressor Guitar Effect Pedal:

          This pedal is top notch. I've played for decades and it is the best compressor pedal I've used. It is fairly transparent at subtle settings, but adds a slight warmth to the overall tone which is pleasing. I play through a 1993 Matchless DC30 w/1x12 cab and a Deluxe Reverb amp for my stage rig. I plug the compressor in after my TS9, but in front of my heavy distortion pedal as suggested and it really sounds great. I've always run compressor 1st in line. Clean tones are phenomenal and distortion remains well defined with tons of sustain. I find the best setting for clean and dirty tones are S at 10 o'clock and L between 9-10 o'clock. The pedal has plenty of boost available. I don't care for heavy compression effect. I like it balanced as possible with bypass mode. If you like compression, you'll love this pedal!

           
          5.0

          Good Solid Compressor

          By dmode

          from Los Angeles, CA

          See all my reviews

          Comments about Keeley Compressor Guitar Effect Pedal:

          The Keeley compressor is a good solid compressor. It fattens up the sound adding a touch of color to it. Not perfectly transparent, but close. I use different compressors for different applications. Other compressors you might look at are Demeter Amps Compulator.(the most transparent I have found) and AnalogMan bi-comp. All of the above are arround the same price range, all different, all good for their own purpose.

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