A Guitarista#39;s Introductory Guide to Tube Amplifiers Donald Brosnac ... In 1955 some Fender amps began to receive vibrato circuits through the use of an added 12AX7, which functioned as an ocillator. Almost all ... A chassis mount trimmer pot is used as the control to balance, therefore match, the output of the tubes. Twoanbsp;...
|Title||:||The Amp Book|
|Publisher||:||Bold Strummer Limited - 1987-02-01|