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In Reply to: RE: AC Power Regulator for Joule Electra VZN-100 posted by pepillotur on January 05, 2009 at 01:08:51
The general consensus is that AC voltage regulation does some damage to the performance of a hi-power tube amplifier, by constricting the instantaneous power. This has been said in connection with use of conventional audiophile devices. It might be possible to employ an industrial strength regulator, however, that could do the job. I've never had any experience with such devices. It seems that you are in a place that uses 220V-240V standard. Here in the US, I have had a lot of success and satisfaction with just using dedicated lines for all my audio equipment. That way the system is relatively insensitive to power variations caused by the current draw of other devices in my home. We use a 3-wire system here; this also makes it possible to adopt balanced power lines, which I have not tried yet. Have you discussed your issue with Judd Barber?
On another level, it's not ideal to have your AC line voltage changing value, but it ought not to upset the amplifiers enough to make them "unstable". In what way are they unstable? A jump from 222VAC to 230VAC is less than a 5% variation, not so bad, really.
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