SA160
AIRCRAFTA I R C R A F T
Symphony
AIRCRAFT
3of11
SECTION 9
SUPPLEMENT 3
Feb 25, 2005
(b) Audio Panel
(c) Intercom
(d) Headphone Outputs
Transceiver inputs: 3
Receiver inputs: 5
Unswitched inputs: 2
Input impedance: 500 ohms
Input isolation: 60 dB min
Volume controls: 3 (pilot, copilot, passengers)
VOX level controls: 2 (pilot, copilot/passengers)
VOX circuits: 6 (one per mic input)
Music inputs (stereo): 2 (one input mutable)
Intercom isolation modes: 3 (pilot, crew, all)
Output amplifiers: 3, stereo (pilot, copilot, passengers)
Power: 100 mW per stereo channel, each
headset, into 150 ohms with not more
than 5% distortion, any normal supply
voltage.
Frequency response: Music: 100 Hz to 15 kHz nom
A/C radio: 100 Hz to 6 kHz nom
ICS mic: (Special cabin noise band de-
emphasis)
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