Aiwa HS-J150 (outside only)

Specs

walkman / stereo radio cassette deck,

Aiwa α-1 mechanism / transport,

Dolby B NR (pb only),

autoreverse, 

stereo mic in,

fm/am tuning,

smd components,

Aiwa HS-J380 microphone (optional), 

3,0V dc battery / 220V ac adaptor (optional),

S/N > -- dB,

dynamic range > -- dB,

4–20000 Hz ± -,- dB,

harmonic distortion < -,---% @ 1 kHz,

mm ---x---x---, kg -,-. 

Olympus LS-12

Specs
pcm / mp3 recorder,
Wolfson WM8962 24bit 96kHz sigma-delta adc/dac,
2 x cardioid mic, 90° array,
2 gb NAND flash internal storage,
<=32 gb SD card storage,

smd components,
line/mic in,
phones out,
mono speaker 28mm,

chromatic tuner,
metronome,
pre-recording, index, overdub, low cut, limiter,
wired remote (optional),

20-44000 Hz @ 24bit 96kHz line,
60-20000 Hz internal mic,
S/N 98 dB,
adc channel separation 95 dB @1kHz,

internal mic spl 130 dB,

mm 53x139x24, kg 0,17 (with batteries).

Technics SL-XP7

immagine internet

Specs

16bit conversion,

Technics PCM55HP - ... dac / filter,

--- transport,

Matsushita components,

S/N > 96 dB,

dynamic range > 96 dB,

4–20000 Hz ± 0,5 dB,

harmonic distortion < 0,006% @ 1 kHz,

mm ---x---x---, kg -,-.