Hi,
I'm John signing in.....
I did a long stint of DJ'ing in the 60s 70s and 80s. Started before you could buy equipment off the shelf - in fact I don't think the term Mobile Disco had even started then. Started with 2 x 18" Goodmans speakers with 12" on top. Amps were kit built 70 watts - quite rugged though.
Ended up making gear for other budding DJs and then opened my shop in Canterbury - South Coast Discos, later to be abbreviated to Socodi Music. I wonder if any of my customers are still 'spinning vinyl'. After a couple of years companies like Discosound, Citronic, Pul