Electro-Harmonix Black Finger Operating Instructions
Text of the manual
All-tube Optical Compressor
— OPERATING INSTRUCTIONS —
Congratulations on your purchase of the Black Finger! The Black Finger is a warm sounding
compressor pedal useful for both guitar and bass, as well as for home recording. This
pedal features an all-tube signal path using two premium 12AX7EH vacuum tubes. Carefully
reading these instructi
— CONTROLS —
COMPRESS Knob — Varies the amount of compression from minimum (counter-clockwise) to
maximum (clockwise).
LAMP/LED Switch — Selects the light source to drive the optical attenuator. The LED is
very fast and flat in frequency content. Choose this setting for straight-ahead compression
effects and sustain. Choose LAMP for a slow attack and
