Grundig CNF 350a (outside only)

 

Specs
2 heads,
2 motor,
4 digit counter/clock,
Dolby NR,
Fe 30-17000 Hz,
CrO2 30-17000 Hz,
Me 30-17000 Hz,
S/N 62 dB (Dolby),
W&F (wrms) 0,1%,
mm 540x160x320, kg 7,2.

Grundig CF 1700 (outside only)

 

Specs
2 heads,
2 motor,
Soft Touch,
3 digit counter,
Dolby NR,

mm 420x115x200, kg 2,9.
Similar: Sanyo RD 260 (with Dolby C).

Akai GXC-570D

foto noa:

 

Specs
3 heads (RPE: GX),
3 motors (1 AC x capstan, 2 DC x reel drive),
Full Logic,
3 digit counter,
Dolby NR, mpx,
Akai RC-17 / RC-18 remote (optional),
Nippon Chemicon SL / LL, Towa components,
No 30-15000Hz ±3dB,
CrO2 30-16000Hz ±3dB,
FeCrO2 30-19000Hz ±3dB,
S/N > 52 dB (Dolby off), > 62 dB (Dolby on, 5 kHz),
W&F < 0,06% (wrms),
mm 440x255x225, kg 13,5.