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RedPlate Overdrive Classic RPHD100, Operation Manual, Page: 6 / 8

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RedPlate Overdrive Classic RPHD100 Operation Manual Download Page 6

RedPlate RPHD100 Operations Guide 

 

6 

 

MAINTENANCE SECTION 

Your RPHD100 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), do not use on front and rear panels.  

TUBE CHART 

 

 
All tube brands are acceptable, a long plate is preferred in the V3 (Phase Inverter) position. 

 

Summary of Contents for Overdrive Classic RPHD100

Page 1: ...Plate Family thank you for your purchase of a RedPlate RPHD100 amplifier Please take a moment and review this manual for an understanding of all the available features or just put all the knobs at noon and play This Manual applies to RPHD100 models produced after 02 1 2014 Signal Path Block Diagram ...

Page 2: ...s between 4 and 6 but experimentation is encouraged Bright Switch Up Increase in the higher treble frequencies Mid Sw itch Up Increase in the upper midrange frequencies Rock Jazz Switch Up Normal Down less lower midrange frequencies Treble Control Adjusts high frequencies also upper midrange when the Mid switch is engaged Middle Control Controls the amount of Midrange frequencies somewhat interact...

Page 3: ...the section Level Control Sets the output volume of the section Higher settings are bigger and more 3 dimensional MASTER SECTION MASTER PRESENCE Master Volume This control sets the overall volume of the amplifier Presence Control The presence circuit uses global negative feedback to remove low frequencies which frees up bandwidth for more midrange and highs Think of it as a tone control to balance...

Page 4: ...al jack derived from the speaker output which contains the whole tone of the amplifier Example usage would be for recording or connection to a PA or slave amp 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 Impedance Selector Ω Set this ...

Page 5: ...ton does not work when the rear panel Overdrive switch is in Manual position BOOST Preamp Boost feature The footswitch button does not have any affect when the rear panel Boost switch is in Manual position POWER ON OFF PROCEDURE 1 Check the Standby switch to make sure it is toggled downward for Standby operation the Standby switch is located next to the Mains power switch on the rear panel 2 Toggl...

Page 6: ...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 do not use on front and rear panels TUBE CHART All tube brands are acceptable a long p...

Page 7: ...ATT switch to the 100 WATT position 6 Place the red meter lead in the test point hole red tip jack And touch or clip the black meter lead on one of the metal output tube retainer clips 7 Use a small flat blade screwdriver to adjust the bias pot for a reading to match the recommended value printed on the rear panel 5 MV The reading is the sum of the idle current for all output tubes 8 Recheck the r...

Page 8: ...ship change to insure coverage The actual electrical components in your amplifier are warranted for a period of 3 years Exclusions are vacuum tubes reverb tanks cables speakers and cosmetics which are warranted for 30 days Improper handling or product misuse or product abuse or unauthorized repair work or unauthorized modifications may nullify your warranty Eligibility for coverage and covered ite...

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