Clear-Com HLI-FBS - Manual (Page 126)

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
124 HelixNet Partyline User Guide