Commodore 64

Datasette

WAV-PRG & Audiotap

Good settings: WM-D6C to Maxell UR 90 Type I with rec level @ 2.4 and Nuprime UDSD line-out, Inverted waveform checked (everything else at default Square waveform, 44.1 kHz, Vol 254, Fast, 263 bit duration, PAL).