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RE: final report on switching trans vs halo trans for filament supply

I once had a 30Amp SMPS with fan pulling a filament duty for the combined L and R. The fan noise could be loud and annoying at times so I modded the fan with extremely low noise (9dB) outboard fan and I can barely hear the fan noise with my ears next to the SMPS.

I have yet to experiment with Halo transformers so I don't know yet. May be I'll find them good for filament duty too. Well, I am going to order a bunch and try them out in the coming Spring.






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