Tweakers' Asylum

RE: Quantum QRT

63.16.34.10

unclestu52

In Reply to: RE: Open Question: Is it similar to the Quantum QRT - or even the same? posted by satfrat on March 11, 2008 at 16:55:02

Quantum used to manufacture some boards which could be inserted into components: something easy to do as the boards only measure a couple of inches square.

The Quantums work by generating a signal (contradictory, isn't it?) which dithers the AC voltage.

Stu

Follow Ups:

RE: Quantum QRT - satfrat 12:22:57 03/12/08 (2)
So these boards actually emit a frequency radio signal,,,, and it has nothing to do with injecting anything thru the AC cord and into the circuit. It's the emitted frequency that's actually interacting with electrical current.
Cheers,
Robin

Edits: 03/12/08
- Sorry - unclestu52 22:30:05 03/12/08 (1)
  if I was not clear. The QRT does inject the signal into the AC line. In adding dither, the conventional power supplies in your gear can deal with the additional noise more efficiently, as contradictory as it may seem.
  
  In speaking to Amanda Toulon of Coherent Technologies who was one of the first on the market with such a device, she told me her ex husband developed the technology in an attempt to reduce EMI/RFI emissions from computer monitors back in the 70's. It worked to reduce the fields, but a side effect was that they noticed the color monitors appeared to have a sharper image, so naturally the devise was taken home and there they noticed the sound improved. Sort of a serendipitous discovery, as you can see.
  
  Stu
  - RE: Sorry - satfrat 22:42:40 03/12/08 (0)
    Actually stu i'm the one who needs to say I'm sorry. I was responding to an earlier post from Dotsystem about the effectivenes of placing the Symphony Pro directly over a breaker box vs just placing it in the general area. I should have answered his post, not yours. I'm really not use to Asylums post format,,, but then again I don't post here much anyways unless there's a particular subject that I want to learn more about. For me that subject has been and always will be power conditioning.
    
    Thanks for the deeper understanding of QRT. :)
    
    Cheers,
    Robin

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