![]() ![]() ![]() The ‘ON/ON’ function allows the user to capacitively couple the chassis to one side of the AC line. We will need to look at this on the inside of the chassis. The Fender switch scheme for tube amplifiers sometimes puts both switches in the back, and of course, I always select the wrong one because I have to reach around where I can’t see to work the switch. The standby switch is on the front, and the power switch is on the back. This unit uses an odd solid state phase shifter scheme and a mechanical reverb unit. The ‘effects’ channel has a little more tonal control. The LEDs illuminate to show channel selection. This Peavey needed some work before it could be added to David’s tonal arsenal. This refurbishment effort left NONE of those blocks untouched. Typical guitar amplifiers can be described in terms of functional blocks – power supply, preamplifier, power amplifier, and loudspeakers. WARNING – A very long blog post awaits you.
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