Page UMC18
Over EZ3
The Over EZ3 module incorporates a smooth knee
response with a flexible control configuration including
user selectable threshold, ratio, attack, and release. New
additions in this module include the feedback compression
mode, and the rare and ‘careful how you use it’ negative
compression mode.
When the negative compression mode is enabled,
the LOWEST compression ratio is infinity to 1. As
the compression ratio control is increased, the actual
compression ratio DECREASES (-100:1, -10:1, -2:1) towards a final compression
value of -1 to 1. At this maximum setting, for every 1 dB of signal level increase,
there is a 1 dB REDUCTION in output level. Any amount of negative compression
causes pumping and breathing in output levels, and when used with fast attack
and release times, creates plenty of signal distortion. Negative compression is a
feature to be used carefully.
SST’78
The SST’78 module is a solid-state circuit model with a McDSP
designed key circuit. For the curious, SST does not stand for
Super Sonic Transport. The SST’78 features feedforward and
feedback compression modes, as well as a negative compression
mode. Because the SST’78 is capable of very fast attack and
release times, caution is advised when engaging its negative
compression circuit.
FRG446
The FRG446 module, commonly referred to as ‘The Frog’
by McDSP engineering staff, uses an moderately aggressive
compression design to quickly respond to audio input. As with
other 6060 compression modules, feedback (and feedforward)
compression modes are offered, as is the dangerous negative
compression mode.
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