My only 4 holer is a kit I built from Trinity Amps.
They call it an 18 watt TMB.
I had enough EL84 amps at the time, so I built this one to run a pair of 6V6 power tubes.
I stuffed it into the smallest swamp built cabinet that I could fit a 12" speaker in.
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It's a riot to take to bar jams.
No one expects anything.