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London Power's Power Supply for Preamps (PSU-PRE)
#6
Hi John

You have it back to front: PLSS is NOT a load; it is on the mains side to restrict power that gets to the DUT.

Use the lowest-wattage bulb you can find for the initial test, say 25W.

Have fun
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RE: London Power's Power Supply for Preamps (PSU-PRE) - by K O'Connor - 04-08-2021, 01:29 PM

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A warm welcome to tube amp modding fans and those interested in hi-fi audio! Readers of Kevin O'Connor's The Ultimate Tone (TUT) book series form a part of our population. Kevin O'Connor is the creator of the popular Power Scaling methodology for amplifiers.
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