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Showing results for tags '300B SET'.
My next project is going to be a valve power amplifier and I'm interested in building a circuit that uses 300B valves. The attached circuit is one that I found over on DIYaudioprojects. I'll probably use a similar filament supply to the one in my 01A preamp, with Coleman regulators, rather than the one shown here. The circuit doesn't look overly complex. Has anyone heard this design or care to comment on it? Part of me wants to order the Bottlehead 300B Kaiju kit, but I can go DIY, order high quality output transformers and still save a lot of cash instead.