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In the Forum: Audio Discussions
In the Thread: It’s mad, mad, mad... electricity.
Post Subject: Pure Power Failures due to poor quality controlPosted by drdna on: 6/14/2014
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 steverino wrote:
Again I would ask people who are reporting problems to state whether they have the original PP or the Plus version made in the last few years. I assume Adrian had an original version with a hum problem which was incautiously returned to the PP black hole. Or was Adrian's unit a Plus?
Yes, my original unit was an original PP2000. The replacement unit would be a Plus series, but they never sent it back to me.
 Romy the Cat wrote:
Unfortunately there is so such a thing as PurePower versions.

While it is true that changes are constantly being made probably from unit to unit in production at APS, the major design change occurred with the adoption of Class D circuitry in the PP Plus series.
I suspect that the problems are caused by a mechanical/structural issue of the electrical circuit that is prone to failure in assembly or by damage in shipment. Maybe it would be best to just fly to their factory and pick one up in person.

Adrian

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