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In the Forum: Audio Discussions
In the Thread: It’s mad, mad, mad... electricity.
Post Subject: The APS at a temporary stand-byPosted by Romy the Cat on: 6/19/2007
 Romy the Cat wrote: |
| I did not measure the distortions… |
|
I had a conversation with the APS guys. They clime that their units do not act like my unit and that no one of their previous customers informed them that their units at a few present load sound different then at 70%. Well, the infamies “no one of our previous customers informed us about it” – sounds like a history of my live… how many manufactures I have experienced it…. They mildly questioned if I am sure what I was hearing (Purr!!!) and I very-very mildly implied that they might need more discriminating customers… :-).
Anyhow, the APS people were quite cooperative and they told that they would need a few days to figure out what is going on. I did not feel that the people what whom I spoke were too technical, neither I am, so let them to get in touch with their designer personal.
I proposed to the APS guy that it is highly unlikely that the wave generator itself cares about the load, neither the amps. It is possible that the filters that sit behind the class D-amps or perhaps something else might be tuned to be optimized to a very specific power load. It would be great if they eventually will tell me that I need to open the unit and to adjust some kind of variable resistor R34r to set the since wale and distortion level to a correct shape under the targeted load.
If this thing will be able to deliver at 70% load the same Sound that that it does at 2% load then it will be a phenomenal solution for the electricity problems.
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