Output
Output impedance : 40 ohm balanced (transformer)
Output level :-20 dBu to +12 dBu (cut at 16 dB)
Frequency range : 30-15000 Hz
Signal / Noise : > 60 dB
Distortion : < 0,5%
CMRR : > 60 dB , Potentiometer’s adjustment-range : 20 dB

Microphone
Internal : Electret
External : Dynamic
Sensitivity : 2mV
Limiting : +20 dB rising of level over nominal at input gives +2dB rising at output
Frequency range : 200-6500 Hz
Distortion : < 1%

Headphones (external)
Impedance : > 8 ohm
Power output : 30 mW

Speaker (internal)
Impedance : 8 ohm
Power output : 2W (Power reduction by mic activating -12 dB)
Distortion : < 2%
Frequency range : 120-10000Hz

Power supplies
Main supply : 110 / 220 VAC 50 / 60 Hz
Power rec : 25W
Fuse : 1A

Dimensions
4-wire unit : Height 110 mm, Width 255 mm, Depth 185 mm
Transport case : Height 110 mm, Width 255 mm, Depth 185 mm