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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: RE: Marantz 8B with Bob Hovland Mods? posted by jonsan on June 12, 2020 at 10:04:18:
I would be curious to see what mods Sid Smith had for the 8B. The stock one I'm looking at has had the selenium rectifier replaced with a silicon one, protection diodes installed for meter protection and the cathode bypass caps on the output tubes replaced. Other than that, it's stock and dead quiet. I do worry about having the original caps in the bias circuit because, if they go, they can take out some critical parts. I also wonder if the unit might sound better with more capacitance in the filtering section, although it sounds great now. Back in the day, large capacitors were large and expensive plus the old type silicon rectifiers couldn't handle the large current surges that larger caps would generate when charging. If I changed the filter caps, I'd leave the original can on the chassis so whatever I did could be easily reversed.
Scott
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- RE: Marantz 8B with Bob Hovland Mods? - AA6U 10:58:01 06/12/20 (0)
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