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In Reply to: RE: anybody tried the JJ ECC99 in place of 12AU7? posted by Paul Joppa on December 07, 2007 at 18:16:32
Might he be able to load the plate of the first stage with a choke? Perhaps a pair of C4S boards under the cathodes of the 2nd section, and a high wattage CCS feeding the shunt reg.... just a thought. Sounds like an interesting idea!
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