As a vintage disco/PA gear geek, I have to ask you what equipment you had!! If you dont mind!!
I don't mind at all.
I believe I started with a simms-watts double deck that was broken. The amplifier was blown and a TV tech, who lived upstairs, helped me bypass the internal amp. I added a Dual power amp.
The speakers were no name boxes with fairly descent drivers which I cannot recall. Possibly Kestrel? or something like that.
I built a second 'twin decks' with two Pioneer decks and a Tandy (radio shack) mixer as a back-up. But somewhere in between, I had a Citronic stateline?. These worked flawlessly for years until I bought three Technics SL1200s.
Then some Crown amps etc.
The lighting was all home made with multi-pin Bulgin connectors and some scanners.
Nothing too exciting or extravagant I'm afraid.
I really don't recall too much about the equipment, only the lighting that was a never ending project and continuously changing.
Even the old photographs got ruined in a leaking garage!.
Twelve years ago I bought more equipment for my wifes 40th birthday party. It was pretty much 'Martin Audio', American DJ, Pro sound amongst others. I made some more up to date lighting with mirrors and smoke etc.
Good old days!
Martin