I've still got mine and also the Koss case to put them in. Bought them in 75/6. Haven't used them for ages so I'm going to have to get them out of the cupboard and see how they stack up to the HD650s I use now.....
If only it was that simple
Main System :
Quad II/40 amps, Music First passive pre, Tannoy Stirling SE speakers, Technics 1200 + RB301, V-LPS, digital streaming from Mac mini via Lifatec Toslink to Moon 300D. Meier Corda Arietta headphone amp, Sennheiser HD650 Phones. Mark Grant i/c cables. Speaker cables, Audioquest Rocket 44 BiWire.
Ray.