Paleo-Electronics

Clueless Idiots and High Voltage Vacuum Tubes Really Do Mix!

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Entries from March 29th, 2009

Real McTube : Some Notes on Rectification

March 29th, 2009 · No Comments · Amp mods, Gear, McTube

The Real McTube II was designed with rectified filament voltages because Fred found that the original McTube could be noisy if not done impeccably well.    The original McTube (appearantly) had the 12 V AC from the transformers going directly to the heaters on the tube. That is the way it’s always done on the old […]

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Real McTube : We Have Power!

March 29th, 2009 · No Comments · Gear, McTube

Ok.. finally got off my ass and wired up the transformer and finished the power section.    That little transformer was cheap and is dead on spec.    The rest of my components ..  eh. So the B+ voltage is expected to be around 140V with load and 150V unloaded.  I got 173V unloaded so I might […]

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