An old guy...but Noobe here. Doing my bit to keep vintage audio gear alive and real. Not a fan of Class-D...how can chopping a power supply sound like a pair of EL34s or KT66s

[BrenAgain 2]

Currently trying to repair an Amber 3501 test set...circa 1988. Checking out whether it might be possible to improve the input section with modern semiconductors...particularly since the 2SK146 Dual JFETs are unobtainium....Thinking some members might give me some pointers.

[Jeff Stone 315]

Welcome to TCS!