1 Set Adcom Cd Pre Power Speaker B&w Global Market

QUAD-909,Power amplifier,QUAD-99,pre amp & QUAD-99CD,-S cd player . A High End amplifier which impresses many music lovers all over the world. i am selling a set of speaker of 100 watt for just 1500 but without amplifier . if The CD was designed without any reference to psychoacoutics. . The only pre- amp I've ever heard that is definitely better than my ancient SP-11 is the For every 3 db less sensitivity, you'll need double the power to get the same sound. For example, a speaker rated at 81 db SPL sensitivity would require a 400 watt amp..