Sharp Optonica RT-5100

Specs
2 heads,
2 DC motors,

3 digit linear counter,

Dolby NR,

L+R mic in,

APSS,

Nippon Chemicon SL / LL, Nichicon components,

No 30-15000 Hz,
CrO2 30-17000 Hz,
FeCr 30-17000 Hz,
S/N 57 dB (Dolby NR off), 67 dB (Dolby NR on),

W&F (wrms) < 0,055%,
mm 430x174x371, kg 8,5.

Sharp Optonica SM-4646

Specs

2x60W@8Ω/20-20000Hz,

2x85W@4Ω/20-20000Hz,

2 Optonica RH-iX1056AF power(pack) transistors,

2x(2x6800)µF Nichicon (dual-C) caps,

3 power transformers,
32 steps volume pot,

mm 442x144x363 mm, kg 16,0.