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Brown box

I know some ppl that use these on their early 1950-60s era Fender amps. It makes the tweed era amp sound less strident or "pushed" --- according to them. Most noticeable in mid to higher volume ranges.

I have yet to try them. I usually play with rail resistors to get into original nominal voltage range, esp with phase inverter and gain stage-input tubes. These areas seem to suffer the most from excessive B+ plate voltages.

Note: All the ppl, which I know that use the Brown Box use it to control AC line voltage. Not specifically for tone or amp response control.



Edits: 01/09/17 01/09/17

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