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does anyone know the manufacturer/model of the tweeters used in the Mesa Road Ready bass cabs? I am looking to replace a couple of them and would like to find the same model. Thanks for your help!

I've had my 1982 Mk IIB for about a year now. I bought it with a JBL K120....sounded great Clean, but very raspy on Lead side - that speaker didn't like overdrive, regardless of the EQ settings. I replaced the JBL with an Eminence Delta Pro 12A....sounded fantastic on both clean and lead - very...

I gigged with my new IIB for the first time last night...it was superb. Classic and new rock covers. This amp came to me with a JBLK120 and a whole bunch of mods done to the preamp circuit...i think someone was trying to make it more like a IIC. The switching relay needed replacing, and the...

I built a footswitch for my IIB....3 buttons, 1 mono jack, 1 stereo jack. 3PDT main channel switching switch, with an LED, like the stock factory pedal. 2 additional SPST switches, controlling EQ and reverb, fed by a stereo jack. I incorporated 2 micro toggle switches, one for EQ, one for...

does anyone know if this schematic is accurate? http://www.freeinfosociety.com/electronics/schemview.php?id=512 my IIB has been modified (by a hack, from the looks of it) and i'd like to try to restore it back to original. thanks for your help!

My IIB came to me with a JBL K120....sounds great for the clean-cleans, but too raspy to my ears for the higher gain settings. I swapped in an Eminence Redcoat Tonker, which sounds pretty good to me, and it can handle 150 watts. I've been reading about the Eminence Delta Pro 12A....can anyone...

I have a 1982 MkII with a dead 750Hz EQ slider. Anyone repair one of these before? I'm experienced with working on tube amps, never one of these graphics, though. It looks like all the jacks, knobs, pot nuts, switches and faceplate need to come off before i can pull the grahic EQ board off. If...