This product has been played/demoed in store, used to make promotional materials, or returned in great condition. It may be missing its original packaging or inserts or show very slight signs of use. DEMO CLEARANCE ITEMS CANNOT BE RETURNED. ALL SALES FINAL.

Mad Professor Ruby Red Booster

The boosters are based on the BJF Little Red Trebler and Red Rooster Booster, connected in that order and with a master volume control. You can use the pedal as a treble booster, a clean boost or an overdrive unit or any combination of the above. Also, it can be used with or without the buffer.

The Treble Booster is a fine-tuned booster for just the right treble frequency with carefully designed bandwidth and an optimized slope of bass cut. The booster circuit is designed to overdrive the amplifier inputs from nice shimmer to heavy overdrive, thanks to the massive 40dB of boost. The booster is tuned so that it produces musical distortion by itself on higher boost settings. You can control the total level of the two boosters with the Master Volume control and also use the Master Volume to achieve distortion from the unit.

Mad Professor Ruby Red Booster Features:
  • Master: this is a volume control that is located directly after the booster circuit and when set to max it is just a resistor to ground. This control sets the final output and it can be used to control the output when the pedal is used for overdrive (Boost turned up).
  • Treble: the set treble boost from zero to about 15dB. The treble frequency and bandwidth are carefully tuned with an optimized bass slope.
  • Boost: the gain of the booster and can be set from unity to about 40dB of boost. When this control is cranked the unit will distort within itself.
  • Buffer: inside the pedal, there is a switch for a high-quality buffer. You can set the pedal for true bypass mode or “buffer on” in bypass mode. We recommend using a buffer in your signal chain to help with the treble and gain loss from using many pedals and/or long cables. Pedals are shipped “buffer on”.The Mad Professor RRB Buffer is an amplifier with a voltage gain of exactly 1x (times). The RRB buffer output impedance is set a little lower than the Dc resistance of a standard guitar pickup to equalize the effect of following load impedance. Input impedance is set at 500K for a medium load to standard guitar pickups. This keeps the tone and guitar volume taper natural.
  • Input impedance: approximately 500K Ohm’s
  • Recommended output load: 50K Ohm’s or higher, affects output and buffer output
  • Current consumption @ 9V DC: approximately 6mA
  • DC supply voltage range: 8-18V
  • Voltage gain: approximately +40dB
  • Treble boost: peak +15dB@4KHz
  • Signal to noise ratio: 110 dB
  • Effect 3dB bandwidth: 70Hz to 7KHz 
  • True bypass or buffered (switchable inside the pedal)

This item is sold As-Described

This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.

Product Specs

Condition
B-Stock (Used)
B-Stock items are sold by an authorized dealer or original builder, but have been opened, blemished, or used in some manner.learn more
Brand Mad Professor
Model Ruby Red
Categories Distortion, Overdrive and Boost

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Available for local pickup from Cranford, NJ, United States

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This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.
Message Seller

Prymaxe

Cranford, NJ, United States
Joined: Feb 2015

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Mad Professor Ruby Red Booster
$133.93
+ Free Shipping