WebVintage Infinity RS425 Speakers - $295 (Princeton) The RS-425 Infinity speakers were built in 1992. I've heard some $10,000 speakers that sounded better and some that only sounded "different". Pictures 1-2: PAIR OF VINTAGE INFINITY FLOOR SPEAKERS $70 SS 2005 Model J133-023571B Measurements: 21 " High, 10 " Wide, 10" Deep 2). We try to keep these pages 99+% updated. parts. determine if we have the part for our needs as well. we send the 'wrong part', parts are NOT returnable. These are well rounded with tight bass and great detail. SDA-SRS's were available and I was always taken by the sound stage. They introduced new High Energy EMITs and EMIMs, changed the shape and packaging dramatically, and moved away from a dipole model. might C $74.47 shipping. We will A friend suggested that I buy a pair of vintage Infinity speakers online. They can certainly take the power, but dont overdrive them with anything more. Were the Kappa 8's amp-killers like the Kappa 9's dromunds?