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In Reply to: RE: "stone cold" in fact! posted by Charles Bridges on October 08, 2016 at 09:53:34
Hi Charles!Sorry, there was a misstatement in my typing. Roger's designs use advanced transistors which have very low bias points, so they IDLE very cool compared to other amps.
However, during play they will heat up almost as much as any other A/B biased amp. Maybe a little cooler, but there's a reason why they have such massive heat sinks. They certainly do not stay as cool as Class-D amps will.
Best,
Erik
Edits: 10/09/16Follow Ups:
OK, now it's coming back to me.
Playing ESL Panels, the Sanders amps DO run cooler than normal. Because they are essentially capacitors, the max current flow occurs at 0 Volts. This is where the Sanders amps are designed to excel.
Playing dynamic speakers, they should heat up normally-ish.
Thanks Erik! Lots of good information about the amp I've been enjoying for the last 5 years. Tomorrow I'll contact Sanders Sound Systems about sending it in for diagnosis.
This whole thing about "stone cold" is becoming somewhat confusing. "Stone cold" = cold, warm, slightly warm ??
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