Tube DIY Asylum

RE: To transformer or not to transformer

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In Reply to: RE: To transformer or not to transformer posted by xaudiomanx@aol.com on May 11, 2008 at 11:27:36

Cheap transformers are worse than equivalent-price capacitors.
Good transformers are expensive and much heavier than equivalent-quality capacitors.
Peter's comments on using feedback around transformers are also valid.
A good transformer-coupled circuit with heavy transformers is hard to beat otherwise.
There is at least one Italian-made amplifier that has no resistors or capacitors whatsoever in the signal chain, coupling tube plates to tube grids with only transformers, and using a variable-tap transformer for the gain control (I can't afford it, though). This is a valid design approach for triodes, but probably not useful for pentodes.

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RE: To transformer or not to transformer - xaudiomanx@aol.com 17:23:53 05/11/08 (0)

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