those that are gone ...
chartwell/rogers ls3/5a
music reference rm9 rm10
hafler dh200 101 pre
muse 100
bel (brown electronics labs) 1001
ariston rd11
grace f9
micro seiki dd40 ma505
kenwood kd500
infinity black widow
those that are still going strong (in one form or another)
spendor, proac, quad
audio research, conrad johnson
magnepan, rel
musical fidelity, krell, classe
linn sondek, vpi, townshend, dynavector, koetsu