Owner's manual

10.4.3 Headphone amplifier
Specification
Description / value
Load impedance
>32 Ω
Output level
+12dBu before clipping
Sidetone
-12dB (selectable)
The following specified for a route from a 4-wire input @0dBu in:
Max gain
0dB
Frequency response
40 Hz - 10 kHz ±3dB
Distortion
<0.1% THD @ 1 kHz
Noise
<-65dBu (@ max gain)
Headphone limiter
-0dBu (selectable)
Table 62: Beltpack: Headphone amplifier
10.4.4 Power requirements
Specification
Description / value
Power requirements
4W
DC Voltage range
30 – 60 Volts
Table 63: Beltpack: Power requirements
10.4.5 Environmental
Specification
Description / value
Temperature
0˚C - 50˚C (32˚F - 158˚F)
Humidity
0 - 90% relative humidity
Table 64: Beltpack: Environmental
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HelixNet Partyline User Guide