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Seeking schematic for Rotel RB-890 power amplifier
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<blockquote data-quote="Shonver" data-source="post: 94293" data-attributes="member: 34"><p>Good tip, Joel. Not one of the common ones, and well worth remembering.</p><p></p><p>This time it seems, though, that there was not sufficient time for a heat build-up. I ran the test on the one channel with no problems. Sweeps from LF to HF. The very first time I tried it on the now-dead channel, it did not even manage to complete the bass portion of the sweep. A good bet that it was an already-stressed transistor giving up the smoke, which seems in line with Ludo's "superstition" comment.</p></blockquote><p></p>
[QUOTE="Shonver, post: 94293, member: 34"] Good tip, Joel. Not one of the common ones, and well worth remembering. This time it seems, though, that there was not sufficient time for a heat build-up. I ran the test on the one channel with no problems. Sweeps from LF to HF. The very first time I tried it on the now-dead channel, it did not even manage to complete the bass portion of the sweep. A good bet that it was an already-stressed transistor giving up the smoke, which seems in line with Ludo's "superstition" comment. [/QUOTE]
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Seeking schematic for Rotel RB-890 power amplifier
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