Unbalanced Intercom Channel:
Output Level: 200 mVrms
±
10%
Input Impedance: 150
W
Bridging Impedance: greater than 10,000
W
Return Cancellation: -40 dB, 35 dB adjustable range
Call Signalling:
Send: 11
±
3 VDC
Receive: 4 VDC minimum
PROGRAM INPUT
Voltage Gain Range:
25
±
3 dB
Output Level:
1.0 Vrms nominal, 2.3 Vrms maximum
Input Impedance:
Balanced: 75 k
W
Unbalanced: 38 k
W
Common Mode Rejection:
Greater than 50 dB
PA OUTPUT
Output Level:
235 mVrms nominal
HEADPHONE AMPLIFIER
Voltage Gain:
30
±
3 dB
Maximum Output:
250 mW
±
10% into 150
W
, 65 mW
±
10% into 600
W
Frequency Response:
200 Hz to 8 kHz +1/-3db
Audible Alert:
2 kHz, at the headset
17
