My wifes 80+ great aunt passed away a few weeks ago. I was offered her old stereo eq during the move since I was so intrigued by it (Zenith mc6010 recordable 8-Track, and mc9020 basic turntable).< ...

The Zenith-GE multiplex system was chosen for the experiments, which ultimately became the worldwide standard. However the BBC had been experimenting with stereo sound since the earliest days of ...