Clear-Com HLI-FBS - Manual (Page 119)

10.1.5 Program line input and Four-wire option module inputs
Specification Description / value
Maximum level before clipping 18 dBu
Nominal input level 0dBu(selectable)
Input impedance >= 10
KΩ
The following specified for a route to 4-wire output @ 0dBu out
Frequency response 20 Hz - 10 kHz ±3dB
Distortion <0.2% THD @ 1 kHz
Noise <-65dBu
Table 44: Main Station: Program line input and four-wire option module inputs
10.1.6 Four-wire module outputs
Specification Description / value
Maximum level before clipping 18 dBu
Nominal input level 0 dBu(selectable)
Input impedance <= 100
Ω
Table 45: Main Station: Four-wire module outputs
10.1.7 Stage Announce outputs
Specification Description / value
Maximum level before clipping 18 dBu
Nominal output level 0dBu(selectable)
Output impedance <= 100
Ω
The following specified for a route from a dynamic headset
Frequency response 300Hz – 12kHz ±3dB
Distortion <0.1% THD @ 1kHz
Noise <-55dBu
Table 46: Main Station: Stage Announce outputs
117 HelixNet Partyline User Guide