Northern Airborne Technology AA85 - Manual (Page 12)

AA85 InterVOX II™ Intercom Manual SM38 Rev. 4.10
1.4
Specifications
1.4.1 Electrical Specifications
Input Power +12.4 to 30.3 Vdc at 400 mA to 1.5 A max
Input Signals
Microphone 6 inputs (2 crew and 4 Passengers),
250 mVrms @ 150 Ω.
Radio 2.5 Vrms @1 k Ω.
Music:
Portable CD/Cassette 250 mVrms to 700 mVrms @ 1k Ω
400 mVrms @ 1k Ω (Nominal)
Multi Disk CD Changer 850 mVrms to 2.4 Vrms @ 3 k Ω
1.4 Vrms @ 3 k Ω (Nominal)
Keyline Transmit capability for pilot and copilot, with
pilot priority. One ICS key for all microphones.
Output Signals
Phones 6 outputs (2 crew and 4 Passengers), 100 mW
into 600
Ω nominal (each headset)
ICS Tie Channel One input, bi-directional, 340 mVrms ±10% into 2
k Ω. Frequency response 350 Hz to 3 kHz.
Audio Frequency Response 350 - 6 kHz ± 3dB with ≤ 1% THD
Crosstalk:
Input - Input < 60 dB
Input - Output < 55 dB
Input - Mic < 1.0 mVrms
1.4.2
Physical Specifications
Height 1.3 inches (33 mm).
Length 5.8 inches (147 mm).
Width 2.6 inches (66 mm).
Weight 0.7 lb (315 g).
Mounting Through front panel; 3 X 6-32 black brass screws.
Page 1-2 June 9, 2004
ENG-FORM: 800-0106.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.