Here’s a great article that explains how to mod your tube amp.
8 Guitar-Amp Mods for Newbies
WARNING! Before you dive in, be aware that tube amps contain lethal (deadly!) voltages of electricity stored in the capacitors, even when unplugged. Do not touch unless you know what you are doing!
The Peavey Valverb is considered by some to be the best American made, non-Fender, all-tube reverb unit to be made. It was made in the 1990’s and no longer in production. Highly sought after on the used market. Here is one fine example:
eBay Link: Peavey Valverb – all tube reverb and tremolo in custom head cabinet
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