Quinnamp SDQ1b Owner's Manual - page 8
FOOTSWITCH JACK- This is a standard 180 degree 5 pin DIN jack for footswitch connection.
A pinout diagram is included on the rear panel for referencing when connecting to automated
switching devices and/or conversion boxes, altering footswitch functionality, and service
troubleshooting.
ATTACK SWITCH- This switch selects either the Open or Smooth mode.
SMOOTH- This setting employs a local negative feedback loop within the preamp which brings
a little compression and reduces some low end content.
OPEN- This setting use no NFB loop within the preamp and has a full open sound.
OTHER FEATURES:
FOOTSWITCH-
A three function Footswitch (CLEAN/OVERDRIVE, PREAMP BOOST, MID BOOST ) is included
with the SDQ amplifier.
The third footswitch is generally wired to activate the mid boost but we can wire them up for
effects loop bypass by request.
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