Ok, i found time to fix the crack. New piece of wood.
Because i had a little 50Hz noise with the horns i descided to try a regulator. The circuit looks now like the drawing below. Only the IRFP150N is at about 150°C, very small heatsink. Sould i try a bipolar instead? Or another FET with less Vgs?
Because i had a little 50Hz noise with the horns i descided to try a regulator. The circuit looks now like the drawing below. Only the IRFP150N is at about 150°C, very small heatsink. Sould i try a bipolar instead? Or another FET with less Vgs?
Attachments
Some Pics of Zen lite, here under test with a friends Thorens preamp and CD transport.
An externally hosted image should be here but it was not working when we last tested it.
An externally hosted image should be here but it was not working when we last tested it.
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