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Old 19th April 2009, 09:46 PM   #1
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Default Transformer specs for aleph 30?.

I'm at a point where I need to purchase a pair of transformers for my aleph 30 monobloc build. I'll be following the transformer with an IXYS VBE55-060N07 rectifier bridge (600V, 68 amps), filtered through three 35V, 33,000uF CE THA Panasonic caps per rail, with a .47 resistor between the second and third cap in each series. I'll be over-biasing the amp at about 2.7 amps, and adjusting the AC current gain accordingly.

Which tranny would be most likely to provide me with stable 25 V rails under power: a 300VA 18-0-18 or a 300VA 20-0-20? I can easily swap out the resistors for another value if called for.

Sorry about the question, but I can't get Duncan's PSU designer to behave in my 64 bit PC.

Thanks,

George
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