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The 904 is an expander gate using the dbx®
OverEasy® action for a smooth onset of gating. Attenuation
limit, attack and release rates and threshold are all adjustable.
This popular gate also features Programmed Latch Mode which
mutes a channel until an above threshold signal is present.
It then latches open until reset.
The 904 is a very fast voltage controlled below
threshold downward expander. It senses the level of an input
or keying signal and determines whether the level is below threshold.
If it is, the signal gets attenuated; if not it passes at unity
(0 dB) gain. The amount of signal attenuation is a function
of its own level and the 904's Attenuation, Limit, Ratio, and
Threshold settings. |
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Two modules can be strapped together for stereo operation
• Key input for frequency-tailored gating or gating
of one instrument by another
• Adjustable 0 to 60dB attenuation
• Programmed latch mode
• Variable attack and release times
• Hardwire bypass switch
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