LINGUA specification

The Filter-Level can be selected stepless by the red knob.

Operating Voltage:10 V ... 15,6 V DC (plus at the centre-pole)
Operating current:400 mA at maximum volume
Noise-Reduction:20 dB max
Audio-Input voltage 1:100 mV eff (fix)
Audio-Input voltage 2:30 mV ... 2500 mV eff. (adjustable)
Input-Impedance @ 1 KHz:>30 KOhm
Audio-output-power:approx. 1,5 Watt @ 4 Ohm
Output Impedance:4 Ohm min.
Frequency response:150 Hz ... 3500/6000/12.000 Hz
depending on version V4/V6/V12