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In Reply to: 'Where' is the output-tube coupler, with maybe-860VDC on it... posted by jeffreybehr on August 13, 2005 at 18:13:33:
the schem sez '833Vdc'. To overvolt a 1200Vdc cap, you would have to put ~260Vac of signal on it. Is this happening here?The thing is, these caps can stand a momentary (~few milliseconds) overvoltage of 20-30% without distress. I suspect another mechanism; are these near a high temp resistor?
Poinz
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Follow Ups
- Well, - Poindexter 19:36:31 08/13/05 (7)
- My thought process is the same as yours, as in there's PLENTY... - jeffreybehr 23:40:40 08/13/05 (6)
- There's a lot of AC on a parafeed cap. - Poindexter 10:19:24 08/14/05 (5)
- Well, I figured out that 'Zpri' must mean 'resistance of the primary'... - jeffreybehr 15:44:06 08/14/05 (4)
- Re: Well, I figured out that 'Zpri' must mean 'resistance of the primary'... - Poindexter 16:35:43 08/14/05 (3)
- You asked about amp power; that's the 50 Watts I gave you. - jeffreybehr 22:14:39 08/14/05 (2)
- Downstream of a little research. - Poindexter 15:30:26 08/16/05 (1)
- Wow. TY. The original couplers were 3/1200s, apparently metallized 'propylenes. - jeffreybehr 18:42:58 08/16/05 (0)