Clear-Com HLI-FBS - Manual (Page 154)

14.1.5 Program line input and Four-wire option module inputs
Specification Description / value
Maximum level before clipping 18dBu
Nominal input level 0dBu (selectable)
Input impedance
>= 10KΩ
The following specified for a route to 4-wire output @ 0dBu out
Frequency response 20Hz - 10kHz ± 3dB
Distortion <0.2% THD @ 1kHz
Noise <-65dBu
Table 14-5: Main Station: Program line input and four-wire option module inputs
14.1.6 Four-wire module outputs
Specification Description / value
Maximum level before clipping 18dBu
Nominal input level 0dBu (selectable)
Input impedance <= 100
Ω
Table 14-6: Main Station: Four-wire module outputs
154 HelixNet Partyline User Guide