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Class D Switching Power Amplifiers and Power D/A conversion

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Old 9th February 2007, 09:12 PM   #1
weissi is offline weissi  Europe
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Hi out there,

I'm in need of some good idea's

Well, basically I'm searching for a high power supply for my 41hz Amp2....

So, a friend who's having a PA-rental service had an accident with one of his amps.... They run the 230V amp from 400V (they're not technicians anyway...). Hehe, the transformator survived, it's a huge toroid with 2x 55VAC.

Has anyone some suggestions loosing ~20VDC so that I may use this one for my Amp2. I'm searching for an elegant way, so a mod of the transformator is a no-no.
'thinking of some kind of high power regulation...? But at this voltage/amperage ?


regards / servus
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Old 10th February 2007, 12:24 PM   #2
luka is offline luka  Slovenia
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Well I would unwind few turns and see what I would get.You can do the same to get your voltage.
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Old 11th February 2007, 06:22 PM   #3
weissi is offline weissi  Europe
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Yeah, think thats the easiest and most reliable solution... -not transistor heckmeck...

regards / servus
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