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Old 19th Sep 2020, 9:53 pm   #20
Cobaltblue
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Default Re: PX4 substitutions

Quote:
Originally Posted by turretslug View Post
Contemplating the sacrifice of any veteran toob may be painful, but the 7475/CV188 is fairly commonplace and not terribly in demand with a typically compact B4 base- and the device itself could then be treated as a wire-in reference if you don't like to contemplate discarding it!
Dead no emission B4 base rectifiers are pretty common and will supply the base.

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Mike T
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