• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Adding a parallel feed on DRD

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Hi, just wondering if it was possible to add a 'parallel-feed' type arrangement to a DRD circuit, as described by Electra-Print's DRD 300B? Would the choke go before the transformer and before the Ultrapath cap? Where would the coupling cap go?

Finally, would adding a high value cathode cap to the 300B (that was larger than the ultrapath cap) assist in reducing PS noise? Say a value 3 to 4 times larger?
 
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