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Re: Really?

There are HF pulses overlaid on top of the power supply caps if the program material or test demands it. Will this cause extra draw from the AC mains? Yes because it will drain the caps and they will be recharged at the usual 120 Hz/8.333mS. I don't see how a higher frequency demand can change the 120 Hz/8.333ms time in the charge cycle. There may well a different shape to the currrent waveform on the AC line under these conditions. The variation may well depend on the frequency and duration of the HF current draw from the amp, and where it is on the charge cycle. Lots of variables here eh?
Are we having fun yet?
d.b.

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