On 04/03/2011 11:09, GB wrote:
The Natural Philosopher wrote:
Dave Plowman (News) wrote:
At that price I'd want to be certain it was those caps. Can you
isolate the main amps or perhaps short the inputs to be certain it
isn't coming from elsewhere?


Just solder a new 80v cap of almost any flavour over 1000uf across
whats there.

Why would these need to be 80v out of interest? What sort of DC voltages do
these amps typically operate on? I know there's a margin for peaks, but 80v
across a nominal 8 ohm resistance would provide 800w. This is an amp, not a
room heater, surely?



Fairly ordinary domestic power amps run with +/- 40 or 50 v rails.
80v rated caps would not be unreasonable.

The full rail voltage won't appear on the output ( unless the one of the
Output Devices have gone S/C ).


--
Ron