Keeley Compressor GC-2 Limiting Amplifier Effects Pedal

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Keeley Compressor GC-2 Limiting Amplifier Effects Pedal

Keeley Compressor GC-2 Limiting Amplifier Effects Pedal

Item Condition: NEW (?)

Item SKU # Keeley:KGC2

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PAL Price: $199.00


NEW This product is brand new with full factory warranty. We're including our 45-Day Satisfaction Guarantee to this New product, making it a no-risk purchase.


Aided by a reputation for high quality products and famous customers such as Brad Paisley, Keeley Electronics is now one of the world’s leading guitar effects pedal manufacturers who not only specialize in sought after pedal modifications but have plenty of popular original creations as well. Born out of founder Robert Keeley’s garage in 2001, Keeley Electronics first made a name for themselves by rebuilding and modifying old effects units – starting with a Ross compressor – until finally hitting it big with their version of the Ibanez TS9 which was quickly adopted by several artists such as Peter Frampton, Jon Herington and Ike Willis.


Currently located in Edmond, Oklahoma, Keeley Electronics continues to provide unique guitar effects pedals that are as highly regarded in tone as they are in quality by staying true to Robert Keeley’s commitment to carefully selecting electronic components for a sound that is truly one of a kind – even when the pedals themselves aren't!


ProAudioLand is proud to be an authorized Lindy Fralin dealer for many years.


Dynamically Rich

The all new Keeley Katana Blues Drive. A musically rich and dynamic overdrive for the most discriminating guitar player. After more than a decade of building great guitar tone from the ground up, Keeley has crafted an overdrive that is destined to be a classic. It’s about tone and feel. The Katana Blues Drive captures the best elements of tubes with a transparency that allows your guitar’s full tonal range to shine through while at the same time delivering dynamics that are sensitive to the touch. This pedal cleans up perfectly, just roll your guitar volume back and let it shine.


Glass Tube Clarity

The Keeley Katana Blues Drive is Keeley's most expressive and musically inspirational overdrive pedal to date. Keeley has taken the legendary tube clarity of their best-selling Katana Boost’s JFET stages and blended them together with a unique overdrive circuit that’s been influenced by their award-winning overdrive pedal modifications.



With active tone controls and layered overdrive tones, the Katana Blues Drive feels rich and thick yet lets your guitar tone come through. Over 13 years in the making, Keeley has taken every ounce of feedback from customers to deliver an overdrive they are extremely proud of. The Katana Blues Drive was built for your inspiration. You know when a piece of gear inspires and your tone is dialed just right. Your playing becomes free and full of energy. Ideas flow. Magic happens. The Keeley Katana Blues Drive: Are you ready to get into overdrive?


The Keeley Compressor GC-2 Limiting Amplifier. The same great professional compression / limiting technology available in Keeley's Bassist Limiting Amplifier, for musicians and compressor fans of all kinds!


Precision Compression

The Keeley Compressor GC-2 Limiting Amplifier provides true high-fidelity compression and limiting.


The Keeley Compressor GC-2 Limiting Amplifier is built around the exotic and extremely high fidelity THAT Corp. 4320. Think of it as very musical studio-grade compressor in stomp box format! It uses high performance Voltage Controlled Amplifiers, on board true-RMS detector, and ultra high performance op-amps to bring you the very best quality. This type of compressor gives you precise control and very musical results. This along with a full frequency range means that this compressor is well suited for guitar, keyboards, drum machines, really, anything you can throw at it. The Keeley GC-2 Limiting Amplifier is both musical and very transparent. Where Keeley's older compressors were based on the CA3080 or the LM13700 and are perfect for that “Compressor Effect” and is still in use by tens of thousands of players, the new Keeley GC-2 is a different style compressor, aimed at being the ultimate in low noise and transparency! Not only can it handle astonishingly large signals, it has an incredible bandwidth of over 20 KHz. No detail in your guitar’s tone will be lost. The Keeley GC-2 will be a sound investment in your tone, you now have genuine rack-mount quality at your feet.


Compression and Threshold

When musicians use the new Keeley Compressor – GC-2 they will be greeted with a sound that is more easily amplified and heard. Using the effect as a limiting amplifier saves your speakers from clipping and distortion. Set the Threshold to look for peaks in your signal and limit distortion from your amplifier or damage to your speakers. Simply watch the Threshold Indicator light to see what type of playing you want to limit, it’s that easy! Next set the Compression Ratio Control to determine how much squash you want when the signal is above Threshold. Set Compression all of the way down for no (1:1) compression and use the Gain control as a boost! Set Compression all of the way up for an above-Threshold hard-knee limiter.


Attack and Release

There is a certain figure that just sounds good as far as compression goes; and that’s 125 dB/second. With feed forward compressors that use this type of true-RMS detector you use a single time constant parameter. The timing capacitor gives you attack and release times that are adaptive to your playing level or the signal input to the compressor. Bottom line: Attack and Release times vary on program content. Attack times are generally speaking, about 100 times faster than release times.


  • Attack Time: typically 15ms for 10dB, 5ms for 20dB, 3ms for 30dB
  • Release Time: typically 8ms for 1dB, 40ms for 5dB, 80ms for 10dB, 160ms for 20dB, 240ms for 30dB


Tone Control and Blend

None – You don’t need a tone control or a blend control on a compressor. If you want a blend control, you are undoing your compressor. Instead, set the Threshold high and only let peaks be processed and then set the Compression Ratio to 2:1 or 4:1. Much smarter. Tone control? None here, It has tone for days for of all, and there is no need to add treble response back into the mix. It’s ultra slick, feed-forward compression design helps maintain high-end treble response like no other design. Lastly, Tone Controls and Blend Controls can only add noise in a compressor. Why add noise to a compressor circuit?




  • Voltage Input: 9.6V
  • Current Draw: 15mA
  • Input Impedance 1 Meg ohm
  • Output Impedance: 100 ohm
  • Output Voltage Gain: +30dB Boost
  • Bandwidth > 20kHz
  • Total Harmonic Distortion: 0.1%
  • Noise: -95dBV
  • Threshold Indicator: Dual LED

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