On Burton's website, it is mentioned that he used Fender Concert. The Fender Concert Blackface is pictured as an amp he used, so we can assume he used Fender Concert Blackface.
moreAn incredible 4x10 Super Reverb, but without the Reverb, and instead of a tube it has a solid state rectifier. Watch the treble - it will take your head off!
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the concert's a BF bandmaster circuit with, I think, a 2ohm output transformer like the tweed bassman and super reverb.... I loved my similar bandmaster and matching cab. Miss her sometimes. You don't see a lot of concerts around. Very underrate amp. If you ever see a brown concert be sure to try it. It'll blow you away.
I didn't know they had 2 ohm transformers back then. I knew it was a bandmaster circuit because the oscillator for the tremolo started chirping and I replaced it. You look inside and you have to say to yourself: 'all this sound is coming from this?' There really isn't too much to those old circuits. Picked up mine on Fleabay as a Buy It Now about maybe ten or fifteen minutes after it came up. Definitely a barn find with all original speakers. Cost: 800$ plus 100$ for shipping. Swapped the speakers and tucked the old ones away safe and sound. A very underrated amp, I agree! Seen a brown one on CL up here near Boston from time to time. They're a different circuit, right?