Akai GXC-39D

Specs
2 heads (RP: GX),
1 motor,

3 digit counter,
Dolby NR,

limiter,

Nippon Chemicon SL components,

FeCrO2 30-17000 Hz ±* dB,
S/N 54 dB (Dolby off), 64 dB (Dolby on, 5 kHz),

W&F 0,08% (wrms),

mm 440x116x229, kg 6,0.

Akai CD-55

Specs

16bit conversion,

2 x AnalogDevices AD1856N / BurrBrown PCM56P dac,

Pioneer PD0036 / PD0050 filter,

Sony KSS-150A / KSS-210A transport / pickup,
2x 4558DA op amps,

Rubycon components,

S/N ≥ 108 dB,

dynamic range ≥ 96 dB,

channel separation ≥ *** dB,

4–20000 Hz ±0,5 dB,

harmonic distortion ≤ 0,0028%,

mm 425x141x343, kg 4,2.

Akai GX-F71

Specs
3 heads (Super GX Heads),
2 motor DD, 

full logic,
4 digit counter,
Dolby B-C NR, mpx,

wired remote,

Nippon Chemicon SM / SM-D / NXA, Marcon, Sanyo components,

No 20-17000 Hz,
CrO2 20-18000 Hz,
Me 20-21000 Hz,
S/N 60 dB (Dolby B, Me), 74 dB (Dolby C, No), 76 dB (Dolby C, Me),

W&F 0,028%,
mm 440x90x377, kg 7,4.

Akai AM-2200

Specs
2x20W@8Ω/20-20000Hz,
2x2 Nec D586 B616 power transistors,
2x4700µF Nippon Chemicon filter caps,
Nippon Chemicon, Sanyo components,
42 steps volume pot,

phono RIAA.
mm 380x125x263, kg 5,5.

Akai GXC-706D

Specs
2 heads,
2 motor,
3 digit counter,
Dolby NR,
Fe 35-13000Hz ±3dB,
CrO2 35-14000Hz ±3dB,
S/N 56dB (CrO2, 5 kHz, Dolby off), S/N 66dB (CrO2, 5 kHz, Dolby on),
W&F (wrms) 0,055%,
mm 440x150x290, kg 6,5.