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How to bias guitar amp by ear
How to bias guitar amp by ear









Hopefully, my response shall be prompt, but give it a few days. (1) Click on Comment (under each article) and post your comment or question (2) After moderation, the comment/question is published and answered under the article. After moderation, they shall be published.Īs a rule, don't forget to tell me what you use, and what do you think of the sound, and reservations if any!Ī. TP1 between plate of 300B in 6.2V from 6.6V when the current of theĬomments are welcome any time. The operation of 300B of us is as follows. Pot is set for the plate current of 300B to 55mA. Two pots are used for adjustment of the plate current of 300B. When the short-circuit even a little is occurred, the high-voltage So as to wait for the stability of operation, you must watch the plateīecause it is a high voltage, the inside of the amplifier is TP1 between plate of 2A3 in 5.2V from 5.4V when the current of the Pot is adjusted so that there is a difference of the voltage of the The current of the plate is obtained from the difference of the The direct current resistance value of the output transformer of TP1 is an output of the high voltage stabilization power supply. The operation of 2A3 of us is as follows.Īt first, set two pots to MIN position for setting the plate currentĪnd,You can see TP1 terminal right side of PCB. Pot is set for the plate current of 2A3 to 45mA. Two pots are used for adjustment of the plate current of 2A3.

how to bias guitar amp by ear

You can see the two pots near by 2A3 Sockets on PCB. There is a place of a high voltage in the amplifier. ***The procedures of the adjusting current of Model1 amplifier******











How to bias guitar amp by ear