The peak of my audio interests was in the late 60s to the early 80s. I had all sorts of equipment, probably 10-12 tape recorders including the big 10 1/2" TEACs, Revox, Sonys, etc., and various turntables including a home-built 16" one. I used a lot of SAE, Marantz, and Sansui pre-amps, amps...