NASA 1200GX DJ-573 Stereo Radio Cassette Recorder

Power source: A.C. 100V, 50/60Hz 16 W
D.C. 15V (Ten UM/SUM-1, R20 batteries or external DC supply)
Speakers:18cm (Woofer) x 2, 5cm (Tweeter) x 2
Output power: 12W (11W + 11W),EIAJ
AC operation(6W + 6W),
DC operation 15V,
Semiconductors:8-ICs (Integrated circuits)
44-Transistors
2-FET 1-SCR
30-Diodes
11-LEDs
Dimensions:Width; 556mm (21-7/8″), Depth; 136mm (5-3/8″), Height; 310mm (12-3/16″)
Weight: 8.9 kg (With batteries)
TAPE RECORDER SECTION
Tape: Philips-type compact cassette tape
Frequency response:50 – 15000Hz (CrO2 tape)
50 – 12000Hz (normal tape)
S/N ratio:50dB
Wow & flutter: 0,09% (WRMS)
Input sensitivity and input impedance:
External microphone:600 ohms
Mixing mic:600 ohms Record/playback socket: 2.5mV/10k ohms
Output level and loaded impedance: Headphones: 8 —25 ohms
External speaker: 4 — 8 ohms
Record/playback socket: 0.7V/50k ohms
RADIO SECTION
Frequency range: AM; 530kHz – 1605 kHz
FM; 76MHz-108 MHz