Carl Martin Compressor/Limiter PedalSpecially developed to incorporate the same features and sonic clarity found in high quality professional studio compressors. To achieve this Carl Martin incorporates a variable threshold, compression ratio, and attack release controls and of course, a gain level. General Guidelines on the use of the Compressor Limiter: Threshold: Working anti clockwise, determines how much of the signal will be compressed. This is also dependent on how much signal is