AA9x Series Single Channel Audio Controller
SM56 Installation and Operation Manual
May 22, 2012 Rev: 2.00 Page 1-2
ENG-FORM: 800-0100.DOTX
CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.
resistance and corrosion prevention. Relays are sealed, high vibration rated (50g shock), dry nitrogen
filled units.
1.4 Specifications
1.4.1 Electrical Specifications
Input Power
Nominal 27.5 Vdc Nominal 0.50 A Max.
Lighting 27.5 Vdc @ 160 mA
Alert Power 27.5 Vdc Nominal 150 mA Max.
Input Signals
Quantity 13 Receive channels.
7 Mic channels
1 ICS tie channel
1 or 2 direct channels
Audio level 2.5V rms for receiver inputs.
0.25V rms for mic inputs.
2.5V rms for direct audio inputs.
Impedance 1k: ± 10% for receive inputs.
1k: ± 10% for mic inputs.
1.6k: ± 10% for ICS tie input.
1.3k: ± 10% for Direct Audio 1 input.
100: ± 10% for Direct Audio 2 input.
Circuitry Type All are Single ended inputs.
Coupling < -40 dB
Key lines Pilot & Copilot Transmit PTT.
Rear Hand mic Transmit PTT
Pilot & Copilot ICS PTT.
3 Alerts - active low.
Output Signals
Quantity 6 Headphone outputs.
Up to 7 Transmitter mic outputs (incl. PA)
Up to 7 5 Transmitter keyline outputs (incl PA)
Headphone 7.7 Vrms or 100 mW (20 dBm) into 600 : nominal
Direct Audio1 10 mW (10 dBm) into 600 : nominal
Direct Audio 2 0.1 mW (-10 dBm) 0.25 Vrms into 600 : nominal
Alert level 90mV rms ±10% into 600 : nominal
Circuitry Type Headphones are balanced
Mic and ICS Tie are single ended
Distortion <10% THD @ nominal power output