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RedPlate RP50DUO Operations Guide
Your RP50DUO 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 control 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), do not spray on the control panels.
All tube brands are acceptable; a long plate is preferred in the Phase Inverter position.
CAUTION - NEVER MIX 6L6 AND 6V6 TUBES AND ALWAYS HAVE A SPEAKER CONNECTED.
MAINTENANCE SECTION
TUBE CHART
8
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