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Keeley GC-2 Owner's Manual

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Keeley Engineering
Bassist and GC-2 Limiting Amplifier
Owners Manual

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Summary of Contents for Keeley GC-2

  • Page 1 Keeley Engineering Bassist and GC-2 Limiting Amplifier Owners Manual...

  • Page 2: Thank You

    THANK YOU! Thank you for purchasing the next generation of Keeley Compressors, or Limiting Amplifiers. The Keeley GC-2 and Bassist Limiting Amplifiers are at the forefront¬ of stomp box technology, utilizing circuits never before seen in such a small package. The THAT Corp 4320 IC, a chip developed...

  • Page 3: Basic Controls

    BASIC CONTROLS: • True Bypass Footswitch – Turns the effect on or off. If Blue LED is lit at the top of the pedal, the controls are active • COMPRESSION Knob (Ratio) – Use this knob to set the compression ratio above the threshold. 1:1 represents no compression, or no reduction above threshold.
  • Page 4 STARTING OUT / BASIC SETUP: • Setting the Threshold: The Threshold control is, in most cases the first control to set on a compressor. Signals that surpass the threshold level in volume will be reduced by the factor set on the compression control, all signals that don’t meet or exceed the threshold level will pass through completely unprocessed.
  • Page 5 noticeable the effect, the more dynamic range, and the more “natural” the signal will sound. Adjust this control to find a perfect balance for your application. • Setting the Gain Control: The gain control, as the name implies, adjusts the output level of the pedal, and amplifies it over the normal signal level.
  • Page 6 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...
  • Page 7 This setting is a good starting place for electric guitar limiting. One word of note, the Threshold setting will depend heavily on the output level of the instrument played, so it must be adjusted to taste. Setting Threshold too low can lead to noise and low output.
  • Page 8 CONTACT US: RKFX.COM FX@RKFX.COM TOLL FREE: 1-8668-GO-RKFX...

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