Too many controls on a Boogie’s front panel for me to be a fan but people seem to love them. This one below was cursed with a strange fault of bias instability which would lead to humming as the bias drifted off and ultimately to red plating after 30 mins or so. The cause of … Read more
This amp, unusual with its master volume control had become unreliable. Occasional red plating, bit of noise. The cause is heat damaged circuit board. Just look at the pictures below showing the damaged sections – the dark areas indicating heat damage. The problem is that heat damage eventually changes the circuit board material from a … Read more
If you are having trouble with any of the following boogie symptoms then I may be able to help you out as I have spent more than my fair share of time on these metallic monsters. Mesa Boogie amps are reveered by players for their unique sound. But for us Amp techs they can be … Read more