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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: RE: Tracked down a problem today... posted by Michael Samra on July 6, 2016 at 20:14:49:
The 47uF cap is the input triode's filter cap. In attempting to measure the input load resistor, we were also measuring the filter cap through the grid-to-plate short. Too bad, it was a nice Sylvania chrome dome 6SN7.
Between TubesForHifi's generous on-board filtering and our power supply, out ST-70's power supplies are stiff as a board. If you unplug it while on, it plays for about 20 seconds (until the cathodes cool).
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Follow Ups
- RE: Tracked down a problem today... - Lee of Omaha 12:14:41 07/07/16 (1)
- Oh ok. - Michael Samra 20:40:01 07/07/16 (0)
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