Hi ,does any one know where to find some nos or new that aren't cheap junk
7L909 low noise -9v regulators ,I bought some on eBay and after a bunch of work got the new regs in only to find the cheapo -9v regs didn't work !!!
Hello,I'm actually doing both ,I'm upgrading the PS in an alpine CD player,or rather in four of them and then I'm going to be building not only new better supplies for the same decks
but am building some preamps that will require the same parts ,