Hier de Yamaha en Luxman qua specs naast elkaar.
Een hoop gegevens zeggen mij niets.
Van de Luxman is bitter weinig info te vinden......
Yamaha M4
8 Ohm power : 2x 100W (8 Ohm, 20Hz...30Khz, 0,005% THD) 4 Ohm power : 2x 170W (4 Ohm, 20Hz...30Khz, 0,005% THD) IMD : less than 0,002% (half rated power) Frequency response : 10...100Khz (8 Ohm, 50W, 0,02% THD) Bandwidth : DC...100Khz (-0,7 / +0,5dB) Damping factor : 200 (8 Ohm, 1Khz) 100 (4 Ohm, 1Khz) S/N ratio : Stereo separation : 118dB (IHF-A) 90dB (1Khz) 70dB (20Khz) Input : 1V / 25kOhm (for 100W / 8 Ohm output, 470pF) PC : 900W max. Dimensions : 43,5 x 14,5 x 37,4cm Weight : 18,5kg. List price : 250,000¥ (1979) Features : gold-plated RCA inputs gold-plated speaker outputs 2,5mm pure copper bussing phase-corrected polystyrene caps ground termination AC+DC inputs
Luxman
Power output : 2x 110W (20Hz...20Khz, 8 Ohm)
2x 240W (dynamic, 4 Ohm)
2x 330W (dynamic, 2 Ohm)
THD : 0,04% (20Hz...20Khz)
Input : 1V / 45kOhm
S/N ratio : 126dB
Frequency response : 10Hz...100Khz
Dimensions : 43,8 x 17,8 x 42,2cm
Weight : 13,4kg.