music, guitars & other obsessions

18Watt Revisted

This is a follow-up to the Trainwreck Express post.

As mentioned earlier, the amp turned out to be pretty noisy… While working on it over the weekend, I got it much quieter by re-wiring the PS, but somehow it also sounded much worse with obvious blocking distortion which wasn’t there before… After fussing with it for awhile, I decided to restore the whole darn thing back to the original 18W design but with a cascade switch added for some flexibility. I will try some new EL84s soon, so I can compare them to the Chinese 6P14s that are currently in the amp.

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