Making an Audio Input Adapter Cable for a 1950s Vacuum Tube Radio

I recently fixed up my first vacuum tube radio, a 1956 Philips 353A, which now works well and sounds fantastic and is set up in our front room. The AM/FM signal reception in our house is relatively poor, however, and I noticed that this radio has a “Gramophone Pick-Up” input, which is basically just anContinue reading “Making an Audio Input Adapter Cable for a 1950s Vacuum Tube Radio”

IEC64W IEEE-488 Parallel Interface Adapters for the Commodore 64 & 128

I recently repaired and restored a 1983 Commodore 2031-LP 5.25″ floppy drive, which is unusual in that it uses the came IEEE-488 parallel interface as the earlier Commodore PET series of computers (GPIB connector), as opposed to the IEC serial interface used by the later Commodore 8-bit series of computers (DIN connector). This made testingContinue reading “IEC64W IEEE-488 Parallel Interface Adapters for the Commodore 64 & 128”