User Manual

183
AF characteristics
►
Overall device
►
Compander system Sennheiser HDX
AF frequency response Microphone: 80 – 18,000 Hz
Line: 25 – 18,000 Hz
Signal-to-noise ratio
(1 mV, peak deviation)
≥ 115 dBA
Total harmonic distortion (THD) ≤ 0.9 %
Max. input voltage
Microphone/line
3 V
eff
Input impedance
Microphone/line
40 kΩ, unbalanced/1 MΩ
Input capacitance Switchable
Setting range for input sensitivity 60 dB in 3 dB steps
Temperature range -10 °C to +55 °C (14 °F to 131 °F)
Power supply 2 AA batteries, 1.5 V or
BA 2015 accupack
Nominal voltage 3 V battery
2.4 V rechargeable battery
Power consumption
at nominal voltage
with transmitter switched off
typically 180 mA
≤ 25 μA
Operating time Typically 8 h
Dimensions approx. 82 x 64 x 24 mm
Weight (with batteries) Approx. 160 g