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In the Forum: Audio Discussions
In the Thread: It’s mad, mad, mad... electricity.
Post Subject: PP2000: is there hope?Posted by drdna on: 6/1/2009
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Well,
I did speak with Damian in Technical Support at APS, and he informs me that this effect is something that they have reproduced in their lab, but only with extremely efficient loudspeakers and certain power supply designs in the amplifier.  With a solid state amplifier and regular cone loudspeakers, he says, the effect is not seen. So, I am now assuming that the difference in the power supply design of my amplifiers and Romy's is the key to why I have noise when he does not.

I was assured that they are "a few weeks away" from finding a solution to this problem, but I am not holding my breath, since I have heard that a few times over the past six months already.
Regarding the performance of the unit, I think it is impossible to say anything about it until the issue is resolved, since the correction will likely change the sound again.
Adrian

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