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RedPlate Overdrive Classic RPHD100 Operation Manual

Overdrive classic
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RedPlate RPHD100 Operations Guide
Welcome to the RedPlate 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:
RPHD100 (Overdrive Classic)
Operations Manual
1

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Summary of Contents for RedPlate Overdrive Classic RPHD100

  • Page 1 Operations Manual Welcome to the RedPlate 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).
  • Page 2 RedPlate RPHD100 Operations Guide FRONT PANEL: Input Jacks – NORMAL = Typical High impedance input to the amplifier. FET = Input is buffered by a FET stage. CLEAN PREAMP SECTION Volume Treble Middle Bass Bright Mid Rock/Jazz Volume – Preamp volume control typical setting is between 4 and 6 but experimentation is encouraged.

  • Page 3: Master Section

    RedPlate RPHD100 Operations Guide OVERDRIVE SECTION DRIVE LEVEL The Overdrive section is used to add character to the clean tone. The section’s range of effect can be just a hint of early break up or a more aggressive distortion. Drive Control – Sets the amount of distortion by controlling the level between the 2 gain stages of the section.

  • Page 4: Rear Panel Section

    IEC Module – contains the main power switch, power cord inlet connector and the fuse drawer. To access the fuse use a small flat blade screwdriver in the notch at the bottom of the power cord inlet connector, the drawer snaps out in a rearward direction. The RPHD100 can accept both the larger (3AG footprint) or smaller European (5mm X 20mm) fuses.

  • Page 5: Other Features

    RedPlate RPHD100 Operations Guide OTHER FEATURES The RPHD100 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. MidBoost – Girth Boost feature. This button increases the size of the treble capacitor for more upper midrange. The front panel MID switch must be on (UP) for proper footswitch operation.

  • Page 6: Maintenance Section

    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.

  • Page 7: Bias Procedure

    8. Recheck the reading after 10 minutes of operation, and again after a week or two of operation. INTERNAL TRIM POTS The RPHD100 has one internal trim for the Phase Inverter tube balance – Useful for working with unmatched 12AX7 tubes in the phase inverter position. Refer to qualified personnel for proper setting.
  • Page 8 RedPlateAmps Warranty At RedPlateAmps we pride ourselves making products that are built to last. The workmanship in your RedPlate amplifier is warranted to be problem free for the lifetime of the original owner, or in the event of resale a onetime transfer to a new owner for coverage for 3 years from the original manufacture date (please inform us of an ownership change to insure coverage).

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