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Re: u're right!

Posted by Ralph (M) on May 8, 2006 at 14:16:55

In Reply to: u're right! posted by Jalla on May 8, 2006 at 13:07:26:

So- are you getting 16 peak to peak then? Its not clear from the statement in your post.

At any rate, it is possible to drive the 6AS7 grids positive, if you have the current available in the driver to do so. When the tube saturates, no extra amount of current will help. The grid current window actually begins at *about* -15V with respect to the cathode, and goes *about* 15V positive. This varies with B+ voltage!

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