Northern Airborne Technology AA224 series Installation And Operation Manual - page 11
SM18 Rev. 4.00
AA24/AA25 Series Single User Audio Controller Manual
Output signals:
Transmitter audio lines
Non-adjustable, microphone connected directly
to radio. (mic bias supplied by radio)
Transmitter key lines
Hard ground output (relay contacts 1 amp.
max.)
Green L.E.D. annunciator
Intercom line
340 mVrms into 2 k ohms
(freq. response +/- 6 db from 250 to 4000 Hz)
Headset output
200 mW max. into 600 ohms (floating output)
300 mW max. into 150 ohms
Receive channel
freq. response +/- 6 dB from 300 to 5000 Hz
Intercom channel
freq. response +/- 6 dB from 500 to 3100 Hz
Sidetone channel
freq. response +/- 6 db from 225 to 5000 Hz
Direct input
freq. response +/- 6 db from 275 to 3100 Hz
Distortion
Isolation /crosstalk
>60 db min.
Signal/noise ratio
70 db min.
1.4.2 Physical
Specifications
AA24
AA25
Height
1.49"
37.8 mm
2.62"
66.7 mm
Depth (max.)
7.55"
191.8 mm
7.44"
188.8 mm
Depth behind panel
5.84"
148.3 mm
5.83"
148.0 mm
Width (max.)
5.75"
146.0 mm
5.75"
146.0 mm
Width behind panel
4.9"
124.5 mm
4.9"
124.5 mm
Weight
1.2 lbs
500 g
1.5 lbs
680 g
Mounting
standard Dzus rails
standard Dzus rails
Nov 21, 2003
Page 1-3
ENG-FORM: 800-0106.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.