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RedPlate CDS3 Operations Guide
For proper footswitch operation make sure the front panel Gain control is not at zero and the front panel
Tweed control is not pulled.
CHANNEL – Switches between lit for Clean (Blackface) and unlit for Tweed channels. If the Tweed channel is
enabled it will automatically be switched back to Blackface when the Drive button is lit and revert back when the
Drive button is unlit. Channel will not be switched if the front panel Tweed control is pulled.
BOOST – Does 2 separate functions that are only available when using the footswitch.
1.When lit, the Blackface channel gets a Midrange Boost that increases the size of the treble capacitor allowing more
upper midrange to flow through the Treble control. Great for the fat smooth overdrive tones.
2.When lit, The Tweed channel gets a stack lift which increases the volume and highs of the Tweed channel.
The Boost is less effective at high settings of the Tone control.
DRIVE – Overdrive 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. Drive cannot be enabled if the front panel Tweed control is pulled.
1. Check the Standby switch to make sure it is toggled downward for Standby operation.
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.
3. Wait one minute and then toggle the Standby switch upwards to the Operate position.
4. POWER OFF – Toggle the main power switch downward, there is no need to go into standby first although it will not
hurt anything.
Your CDS3 amp has been designed for years of trouble free operation. The vacuum tubes will need to be replaced over
time. We recommend new output tubes every 160 - 240 hours and new preamp tubes every 320 - 480 hours.
The front and rear panels have a protective finish that can be easily scratched with abrasives so always use a damp soft
cloth to clean them (never use paper towels). The cabinetry can be cleaned with our super secret tolex cleaner (on a paper
towel - 2 squirts of WD-40 and 4 squirts window cleaner), let your keyboard player try it on his plastic keys, it replicates the
feel of a brand new keyboard.
FOOTSWITCH
POWER ON/OFF PROCEDURE
MAINTENANCE SECTION
TUBE CHART
Page 5 © RedPlateAmps 2012
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