• 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.

CCS filament supply vs inductors for DHT

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Bandersnatch

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Joined 2003
RA, I have a feeling that there is more to it than just supplying a voltage. Certainly an LC filter is going to 'infect' the rest of the amp to a far lesser extent due to the comparatively constant DC draw from the power Iron. Beyond that how well that voltage is isolated is also likely to be important.

I have found no need for anything but AC, but then again I run entirely PP amps. The cathodes on one pair of DH monoblocks draw 7.5A, and they continue to glow for a substantial period of time after shutting them off.
cheers,
Douglas
 
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