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A 3 valve Vibrato Unit for Electric Guitar

From The Radio Constructor Magazine this 3 valve unit will provide vintage vibrato to your guitars output.
The valves used are EF91 EF50 and ECC83.
The parts are still availiable today but a power supply providing 250dc and 6.3v for the valve heaters.

Vibrato Unit. Page 1 Vibrato Unit. Page 2


Last updated 14.12.2004

2003-2004 © Maurice Woodhead