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.

Marantz 2050 (2050 n)

Specs

am/fm tuning,
Elna, Nippon Chemicon SL, Panasonic CE / MR, Towa,

muting,

mm 416x146x240, kg 5,0.

Luxman L-114A

Specs
2x48W@8Ω/20-20000Hz,

2x2 Sanken A1102 C2577 power transistors,
2x6800µF Rubycon filter caps,
Rubycon components,

Duo-Beta,

mm 438x111x306, kg 9,3.

Rotel RA-840BX4

Specs

50Wx2@8Ω/20-20000Hz,

4x2 B817 D1047 power transistors,

2x8200µF Rubycon filter caps,

Elna, Nichicon Muse / BP, Rubycon Black Gate F components,
toroidal power transformer,

phono mm / mc,

mm 444x86x346, kg 7,2.

Yamaha AX-900

Specs

130Wx2@8Ω/20-20000Hz,

150Wx2@6Ω/20-20000Hz,
4x2 Toshiba 2SA1301 2SC3280 power transistors,

2x22000µF Nichicon Type I Great Supply filter caps,

Elna For Audio / Duorex, Rubycon Black Gate F, Nichicon BP components,

pre / main,
cd direct,

phono mm / mc,

mm 435x165x416, kg 17,0.