Quote:
Originally Posted by DavGoodlin
FWIW, car battery charger transformers work pretty well for filament supply, placing the 6.3 volt tubes in pairs across the 24 v center-tapped secondary.
|
I always wondered why my 6-amp car battery charger can power a high-beam headlight, drawing only about half its available power whereas the same load kicks in the protection circuit of my 12-amp constant/14-amp surge 13.8 volt power supply.