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RE: Sakuma-style GM-70 design - critiques please!

With the reduction of grid leak value on the driver, so then comes increase in value of the coupling capacitor, as you know.

Can you find a way to DC couple input to driver?

I can see that with 200V across the input tube it could fit very nicely with a DC coupled 2A3, or 300B driver run at 2A3 OP with an 'upside down' input stage (ala www.labjc.com), yet understanding your design ideal, I digress.




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  • RE: Sakuma-style GM-70 design - critiques please! - shane. 01/4/1920:59:31 01/4/19 (0)

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