VA Rating of Trans. in RA-971 MkII

Pwoida

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Join Date: Nov 2004

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VA Rating of Trans. in RA-971 MkII

30 August 2005, 03:53 Tuesday

Does anyone know the VA rating of the toroid used in the RA-971 MKII power amp?

I've had a look inside and each secondary is 32Vrms and there are two 6.3A fuses. I would have thought this meant it would be rated at about 32*(2 secondaries)*6.3*(2 fuses)=806VA but it is too small for this. perhaps about half this?
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soundhound

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Join Date: Mar 2004

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30 August 2005, 06:39 Tuesday

Normally they are fused @ full load (current draw) versus fusing for max output (as it sounds like you know). Rotel makes some of their own, and or, has them made to their specs. They may not choose to give this information out for various reasons. If you're looking to replace or modify I would contact them, just to be on the safe side.
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