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Audio and Video Talk
Valves / Vacuum Tubes
Dynaco st70 help please gents....
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<blockquote data-quote="Ampdog" data-source="post: 364140" data-attributes="member: 144"><p>HP1,</p><p></p><p>You said it "ran great" - for how long was that? </p><p></p><p>This is difficult without info on the Triode Electronics mod schematic. The same phenomenon through both channels makes one think of power supply filter caps firstly, but there are other possibilities. But before you start replacing/fiddling at random, it might be prudent to have it checked with a multimeter/oscilloscope. A mains fuse going indicates serious problems. One should not then replace the fuse and try this or that without proceeding in an orderly fashion; it might eventually cost you an expensive part/parts.</p><p></p><p>Where are you?</p></blockquote><p></p>
[QUOTE="Ampdog, post: 364140, member: 144"] HP1, You said it "ran great" - for how long was that? This is difficult without info on the Triode Electronics mod schematic. The same phenomenon through both channels makes one think of power supply filter caps firstly, but there are other possibilities. But before you start replacing/fiddling at random, it might be prudent to have it checked with a multimeter/oscilloscope. A mains fuse going indicates serious problems. One should not then replace the fuse and try this or that without proceeding in an orderly fashion; it might eventually cost you an expensive part/parts. Where are you? [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
Dynaco st70 help please gents....
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