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robotic celebrity head




A transistor-based overdrive with 2 gain modes, the Robotic Celebrity Head cleans up at your guitar volume knob and drips with pushed tube amp tone!   Now with icon graphics!

INSPIRATION:  Teenage destruction of an animatronic Elvis bust- that's where the name originates; Sweet medium gain overdrive and fuzzy drive from abusing a combo tube amp- that's where the sound originates.   

CIRCUIT SCIENCE:  A switching design between low gain/less clipping and high gain + asymmetrical diode clipping.  This keeps the volume balanced between drive and fuzzy drive modes.  

SOUND:  Ranges from ragged pushed amp overdrive to overloaded amp fuzz.  The "fuzz" sound here is more in the realm of fuzzy overdrive.  Crazy-responsive to your signal inputs, a wide range of sounds are possible by tweaking your instrument settings-  pickup type/position, volume knob, fingers/pick.  RCH cleans up by rolling back your guitar volume.

Toggle down- medium gain overdrive; Toggle up- high gain, fuzzy drive

PLEASE NOTE:  To get the strongest cleanup effect with guitar volume, place the RCH before any buffered effects.

VERSION HISTORY:  This is the 3rd version of the RCH, now using Schottky type diodes instead of germanium.  This preserves the original sound while using modern and available technology.

Austere design, esoteric nomenclature.



V2 demos:

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  • 9V center negative power supply, no battery
  • current draw: <10mA
  • dimensions: 3.63 x 1.50 x 1.88 in
  • Knob controls master volume
  • Toggle switches between low gain (down) or high gain (up)