GoodSoundClub - Romy the Cat's Audio Site

In the Forum: Audio Discussions
In the Thread: It’s mad, mad, mad... electricity.

Post Subject: Sold my PP2000+Posted by SOS on: 1/23/2013

Well after getting little communication from PP I decided to sell my unit. The last communication from them was on 1-7 here is their response:

Hi Steve,

The reports you have provided are giving us valuable clues to the cause of the
noise, but are not definitive.

We do not think it is a fault in the unit you have. i.e. your unit is probably
operating properly. The problem is that there is an interaction or connections
somewhere that exists when you plug your phono equipment into the PurePower
that allows ground noise to enter your pre-amp.

We are running some simulations here to try and reproduce the effect and
develop a way to ameliorate it.

We hope to have a definitive answer mid next week. (We are scheduled to visit
CES the last half of this week.)

So now it's Jan 23rd and have heard nothing from PP. Maybe my unit is working as designed but I've heard from 2 other customers of the same scenerio while the original worked fine until the new 2000+ was installed and they got a hum. Very strange but unfortunate. Oh well time to move on. Suggestions?

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