Herbie the Rad Dorklift
Well-known member
In the Fx loops of my Mesa Mark IV, I have a delay and an EQ boost.
When I got the FX Loop On button on the footswitch there is a great solo boost (thanks to the EQ pedal).
However, last gig, every now and then it would be quieter than the normal rhythm tone. Sometimes it would start normal, then dip in volume, only to be fine again the next time.
According to the Mesa's manual, the preamp valve in V2 controls the FX return stage.
Is it the valve that's going you think?
When I got the FX Loop On button on the footswitch there is a great solo boost (thanks to the EQ pedal).
However, last gig, every now and then it would be quieter than the normal rhythm tone. Sometimes it would start normal, then dip in volume, only to be fine again the next time.
According to the Mesa's manual, the preamp valve in V2 controls the FX return stage.
Is it the valve that's going you think?