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Old 17th Jul 2006, 10:05 am   #11
YC-156
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Join Date: May 2005
Location: Aarhus, Denmark
Posts: 281
Default Re: should this work?

This page may be of interest. An ECH84 would be a suitable European valve to substitute for the 6CS6. An ECH81 is unfortunately not a sharp cutoff type.

The same type of circuit could also be used with a crystal with minor modifications. Additionally I would definitely not use his AC/DC power supply powered directly from the AC mains.

Frank N.
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