Proton AM-452

Specs
2x25W@8Ω/20-20000Hz,

2x2 Sanken A1186 C2837 power transistors,
4x2200µF Panasonic filter caps,
Panasonic SU components,

pre out,

phono mm,

mm 446x80x332, kg 6.

Marantz 1050 (1050 n)

Specs

2x25W@8Ω/20-20000Hz,
2x30W@4Ω/20-20000Hz,

2x2 Toshiba B686 D716 power transistors,
2x6800µF Towa filter caps,
Nippon Chemicon SL, Towa components,

phono mm,

mm 416x146x240, kg 7,0.

Marantz 5000 (5000 n)

Specs
2 heads,
1 DC servo motor,

3 digit linear counter,

Dolby NR,

L+R mic in,

Elna, Nippon Chemicon SL / LR, Panasonic CE, Towa, Unicon components,

No 40-12500 Hz,
CrO2 40-15000 Hz,
FeCr 30-16500 Hz,

W&F (wrms) 0,1%,
mm 416x146x242, kg 5,8.