JK Audio Interchange - Manual (Page 14)

10
Interchange™ Intercom Phone Bridge
Technical Information
Intercom Channel
Connection
Male & Female 3-pin XLR
Output Level -10 dBu (250 mV RMS) nominal
Terminating Impedance 200 ohms
Bridging Impedance >15k ohms
Pin 1 Common
Pin 2 Audio + 30 VDC (+12 VDC min) 50 mA
Pin 3 Audio
Input
Balanced Female XLR
20k ohms / 500 mV RMS (-4 dBu nom) +12 dBu max
Output
Balanced Male XLR 200 ohms / 500 mV RMS (-4 dBu nom) +12 dBu max
Size 7.75” x 6.5” x 2.3”
Weight 2.1 lbs (960 g)
Specifications