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I'm getting a noticeable hum on my MKIIB when I bring the EQ into the equation. Any particular caps that can be replaced to help?

Is this something that mesa did?

very clean triple rectifier, works and sounds killer. The only problem I've had with it is the FX switch on the big 5 button footswitch isn't working right. The fx loop is still able to be remotely activated with a separate simple latching footswitch into the 1/4 jack on the back of the amp. It...

are these good or no? any info would be great, thanks!

My lovely MKIIB is having problems switching channels. Mainly that it won't. :( It works perfectly fine in the clean channel, but when you use the pull switch or a footswitch it makes a buzzing sound and doesn't pass a signal anymore. It sounds like the relay is getting stuck or something...

I have a triple recto. The footswitch seems to be having problems. Sometimes when I turn the amp on the footswitch is not activiated. Turning the amp off and re-seating the footswitch cable seems to remedy this problem so far but my "FX" switch on the footswitch seems to still not do anything...

any problem with running KT66 tubes in the outside "class A" slot of my boogie mk IIB simulclass?