FWIW, I owned an SX-1250 back in the day (Bought, brand new @Best Products in Houston, TX in 1977.). I acquired the receiver as the first piece of a system I was building, so auditioning a lot of speakers-from-that-era was next on the agenda. Aside from a brief flirtation with Bose 901 series IIIs, the three finalists from a summer’s worth of haunting Houston stereo shops (of which there were many at that time) were the JBL L-100, the JBL L-65, and the Pioneer HPM 100. At that time, there was usually an SX-1250 or 1050 in stock and set up at these venues so that was a plus.....I wound up with the L-65s and are still listening to them daily. Such great sound and so “of those times”, stylistically! (I”m running them with a PrimaLuna Prologue Classic now.). One bit of info might be useful...I really had my heart set on the big Infinity.Quantum Series speaker’s. I had salesperson after salesperson steer me away from them because, as they would tell me time and again, my “monster receiver”didn’t have the steam for anything bigger than the Quantum 4 and even that pairing was marginal. I thought that it was as simple as “The world's Most powerful receiver is gonna be the perfect match for those badass QLS-1s.” What can I say...I was 18 with too much pocket change! Glad I got talked out of that one...
