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In the Forum: Audio Discussions
In the Thread: Large Polystyrene Caps
Post Subject: Re: Large Polystyrene CapsPosted by cv on: 3/2/2005

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How about lead acid batteries :-)

Only half kidding - they would be cheaper than the caps and just think, you could finally ditch those AC power troubles away.
Also the amps would adore the super low impedance power supply... Still, what with that enormous current draw they'd have to be big.

Otherwise, afraid I can't help - I had a look for polystyrenes a while ago and came to the conclusion that the cost would be astronomical. Relcap used to do 3uF I think, but that was 200V or so.

I've had good results with oil filled motor-runs; the polystyrenes would certainly be feasible for the S2 amp where you don't need the huge capacitance.

cv

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