Track System: 4 track 2 channel stereo
Heads: Erase and Record/Playback
Type of Tape: Cassette tape, C-60 and C-90 (Philips type)
Tape Speed: 4.8 cm/s (1-7/8 ips)

Inputs (level and impedance)
Microphones: Min. input level: -67 dB (345 µV)/10 kohms or more)
Line: Specified input level: -9 dB (274 mV)/(50 kohms or more)
Min. input level: -19 dB (86 mV)
DIN: Min. input level: -35 dB (13.7 mV)

Outputs (level and load impedance)
Line out: Max. Output level +1 dB (0.869 V)/(into 50 kohms)
Specified output level: -5 dB (435 mV) Headphones Specified output level: -18 dB (97 mV)/(8 ohms)

Equalization
CrO2: 3180 µs + 70 µs
FeCr: 3180 µS +70 µs
Normal: 3180 µs + 120 µs

Head Configuration
1/2-track, 1-channel Erase Head
1/4-track, 2-channel Record/Playback Head

Motors
Frequency-Generated, Servo-Controlled DC Capstan Motor x1
Mechanical Governed DC Reel Motor x1

Bias Frequency: 100 kHz
Operating Position: Horizontal
Power Requirements: 220/240 V AC, 50/60 Hz
Power Consumption: 30W
Weight: 13 kg

Źródło: vintage-audio.com