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RedPlate Black-n-Blues Operations Guide
Welcome to the RedPlate Family, thank you for your purchase of a RedPlate Black-n-Blues
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 Black-n-Blues models produced after 03/01/2011.
Signal Path Block Diagram:
FRONT PANEL:
Input Jack – Typical High impedance input to the amplifier. Designed to be "Pedal Friendly" in
the unlikely event you will ever use a pedal in front of the Black-n-Blues.
Black-n-Blues
Operations Manual
CLEAN PREAMP SECTION
1

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Summary of Contents for RedPlate Black-n-Blues

  • Page 1 Black-n-Blues Operations Manual Welcome to the RedPlate Family, thank you for your purchase of a RedPlate Black-n-Blues 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 Black-n-Blues Operations Guide The Clean Preamp is designed to imitate (and surpass) all of the “classic” guitar amp preamps. The Black-n-Blues gives the player the ability to do two unique things: 1. Shift the midrange center point frequency. 2. Select the amount of Bass gain appropriate to your guitar choice (via Humbucker/Single coil switch covered in the Rear Panel Section of this manual).
  • Page 3: Drive Section

    RedPlate Black-n-Blues Operations Guide TWEED PREAMP SECTION The Tweed Preamp is based on the classic Tweed Style design with two important differences: 1. Gets into the “sweet spot” at various volume levels for consistency of tone and character in both small and large venue sizes.
  • Page 4: Master Section

    RedPlate Black-n-Blues Operations Guide Gain Control – Bypasses the section when rotated to zero, this control sets the amount of signal for the first gain stage of the section. Low settings are smoother and higher settings are more aggressive. Drive Control – Sets the amount of distortion by controlling the level between the 2 gain stages of the section.
  • Page 5 The Black-n-Blues can accept both the larger (3AG footprint) or smaller European (5mm X 20mm) fuses. A time delay variety (SLO-BLO) is recommended. For 45 watt amplifiers a fuse in the range of 2.5 to 3 Amps is fine for domestic use (110 –...
  • Page 6: Other Features

    OTHER FEATURES The Black-n-Blues comes complete with a footswitch and a 25’ footswitch cable. The cable used is a regular MIDI cable and is readily available in any length at most music stores.
  • Page 7: Power On/Off Procedure

    RedPlate Black-n-Blues Operations Guide OPTIONAL 4 BUTTON FOOTSITCH TWEED – When engaged the guitar input is routed to the Tweed channel. The footswitch button does not work when the Tweed Channel’s Gain control is pulled because it is a duplicate function.
  • Page 8: Maintenance Section

    RedPlate Black-n-Blues Operations Guide MAINTENANCE SECTION Your Black-n-Blues 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 9 RedPlate Black-n-Blues Operations Guide 7. Use a small flat blade screwdriver to adjust the bias pot for a reading of 50MV ± 5 MV (FYI - the plate voltage is 380 volts). The reading is the sum of the idle current for both tubes.
  • Page 10 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. The actual electrical components in your amplifier are warranted for a period of 3 years.
  • Page 11 RedPlate Black-n-Blues Operations Guide...

Table of Contents