The Roland SN-R8-05 Jazz expansion card remains a highly sought-after piece of vintage music gear for collectors and electronic music producers. Released in the late 1980s, this PCM sound data ROM card

The Roland SN-R8-04 Electronic is a vintage ROM expansion card designed for the R-8, R-8 MKII, and R-8M drum machines. It features 26 high-quality, 16-bit digital samples that replicate the classic sounds