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In Reply to: RE: LEDS and audio pt II posted by Jack D II on April 04, 2015 at 15:30:30
I'm not sure what you're really asking, so pardon I seem like I'm shooting off into space.........
The new generation of LED lightbulbs may affect the sound, but to put it honestly, I have the older compact fluorescents and they have not died yet so I have not experimented with the newer LED types.
I do know the current draw on the LEDs are significant lower than the compact fluorescents so that may be a beneficial factor factor. Also I notice that the fast recovery diodes are sooooo cheap everyone is using them so that may be factor too. I'll have to investigate when I have time.
I had expected the LEDS on gear would worsen the sound, but they do not, strangely ( well they have to have certain characteristics including the light emitted)
Follow Ups:
I'm talking about the led lights that come on when you flip the light switch upon walking into a room. The one on your table lamp, bedside lamp, any reading lamp. I've read that such leds emit a strong rf frequency that may affect remotes and other electrical devices. True? If, such lights as I've described might very well affect sound systems.
Those are what I thought you were referring to. Again a lot has to do with their power supply, for compact size they use switching supplies which do generate RFI.
I have noticed, as mentioned earlier. newer power supplies ( which are becoming quite sophisticated) seem to be using fast recovery diodes ( to further energy savings, maybe?) so emissions seem to have dropped a bit. I haven't taken apart the latest LED types though..... Too much to do , so little time.
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