Oft imitiert kommt kein anderer Verstärker an den Sound eines originalen VOX AC30 Custom heran.
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Although it is outfitted with four EL 84’s, its no AC-30. Later on Peavey, through its dealers, started selling Russian (Sovtek) tubes as replacements, but these tubes biased a lot cooler then the Chinese ones did.
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on a Bass-Master might indicate that the amp is from 1965 or 1966, before the four-digit serial numbers were used.
The circuit in [that amps] is built on a phenolic turret board instead of the Fender style fibre board used [later.] [...] it appears that Traynor/Yorkville used three digit serial numbers up until 1968.
Old Bob Moog did not realize that he was a few years ahead of the amp-tweaking rack-friendly guitarist.
My favorite of all of these was the L9 model outfitted with a JBL 15 inch guitar speaker in an open back cabinet. I would say you could get a Twin Reverbesque sound plus!