What used speakers raraely come up for sale

ESS Super Quad---the original Quad ESL as midrange driver, RTR ESL tweeters, and a KEF B139 woofer in a transmissionline enclosure. Not many made and sold in the early-mid 70's. The Fulton "J" loudspeaker, a modular design achieving superb transparency and very full-range extension. It, like the ESS Super Quad, had the RTR ESL tweeters, State-of-The-Art at the time (mid-70's). And the Eminent Technology LFT-6---three LFT (Linear Field Transducer) bass/midrange drivers and two ribbon tweeters.

Another fine speaker of my past that I do not see for sale, ever, the  Sonus Faber Extrema / matching stands. Required a large muscle amp to get them going.

Hi Spoutmouzert,

DeVore Fidelity Silverbacks - an excellent  product in every way. Great Value! Although I have auditioned them on several occasions, they have eluded my possession. The reason being - owners appreciating their value in a used market, which at various times was just out of my reach.

Mirage M-!'s !

Mirage M-1's