Tube DIY Asylum: Re: Latest version of my 7788/7721 LCR 600Ohm RIAA Stage by Thorsten Do It Yourself (DIY) paradise for tube and SET project builders.

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Posted by Thorsten (M ) on October 3, 2005 at 01:16:54

In Reply to: Re: Latest version of my 7788/7721 LCR 600Ohm RIAA Stage posted by BBeck on October 2, 2005 at 19:53:31:

Hi,

> Interesting!(But I can barely read your second
> posted schematic, BTW)

Click on the schematic for a bigger version. Since I got my new laptop the screenshots are 1920 X 1200, lovely screen, but as these schematics are screenshots from P-Spice....

> A question though: How much grid current are you measuring
> in the first grid?

I have nothing to measure anything so tiny, sorry. So for practical reasons FA. Also note that my Phono has an MC Stepup transformer permanently wired in, even for the MM Input.

Ciao T

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