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RedPlate BlackLoop Operations Guide
Speaker Jacks – The MAIN and EXT jacks are wired in parallel. The MAIN jack must be used
first because it has a protection device. ALWAYS HAVE A SPEAKER CONNECTED TO AVOID
PERMANENT AMPLIFIER AND OUTPUT TUBE DAMAGE.
LINE OUT – A line level signal jack derived from the speaker output which contains the whole
tone of the amplifier.
SEND and RETURN Jacks – The send jack connects to the input of an external effects device
and the return jack connects to the output of an external effects device. The return jack interrupts
the signal path so the external effects unit must mix the wet and dry signals.
Footswitch Jack - This is a standard 180 degree 5 pin DIN jack for footswitch connection. If a
replacement cable is needed, make sure all 5 wires are supported. The pinout is conveniently
located on the rear panel for use with automated switcher conversion boxes.
The BlackLoop comes complete with a 3 button footswitch and a footswitch cable. The cable
used is a regular MIDI cable and is readily available in any length at most music stores.
MID – Midrange Boost feature. When engaged, the size of the treble capacitor is increased to
allow for more upper midrange. The footswitch button does not work when position 6 of the rotary
MODE switch on the front panel is selected because it is a duplicate function.
DRIVE – Character Boost feature. When lit, the Drive section of the amplifier is active, not lit,
means the section is bypassed. The footswitch button does not work when the front panel Gain
control is rotated to zero because it is a duplicate function.
BOOST – Girth Boost feature. When lit, adds volume and tone by doing a partial tone stack lift.
The footswitch button does not have any effect when the front panel Bass control is rotated to zero
because it is a partial version of the same function.
1. Check the front panel Standby switch to make sure it is toggled downward for Standby
operation (the Standby switch is located at the right side of the front panel next to the pilot
light).
2. Toggle the main power switch to the up position (this switch is located at the edge of the
IEC input module). The front panel pilot light should be lit.
OTHER FEATURES
FOOTSWITCH
POWER ON/OFF PROCEDURE
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