Effect Information

“This one is based on the old Univox Unidrive.”

“Originally a treadle controlled
unit, I have converted it to a stomp box. Used by Jimmy Page during the
‘back to the clubs’ tour of late 70s, amongst others the original unit
had the volume controlled by the treadle and impedance and gain set by
dials. It allegedly produces a whopping 35dB of boost! The impedance
control allows matching to the instrument used (guitar, keys…).”

“This unit has three controls, gain, impedance and volume — the impedance is a rotary selector that
increases impedance in stages and acts like a pre-gain in this instance.
The device produces a nice hairy overdrive with sack loads of volume, has
indicator LED, true mechanical bypass switching and can be powered by
the usual 9 volt battery or Boss type negative tip power supply.”

Archived past online sales data:

Effectsfreak legacy website (includes sales data 4/2008 - 4/2021)

Harmonic Energiser

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