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In the Forum: Audio Discussions
In the Thread: It’s mad, mad, mad... electricity.
Post Subject: Batteries as Supplies and BufferPosted by Paul S on: 8/11/2022
Not sure if the big Tesla Powerwall batteries are Li (I suppose they are), but the best battery I've actually tried is a big dry cell, best because it can (apparently) survive and continue to function indefinitely just sitting there for months on end, while SLAs I've tried have fairly limited lives in this use. My drycell is an Odyssey. The 'scope pics of a PP output are somewhere in this thread; rather, they were. The pulse seems to indicate the converter is a switcher. Plenty of speculation, you'll recall, that the switching was/is at least part of "the umami effect" the PP provides. Anyway , the PP does not put out "a perfect sinewave".
Paul S
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