The AA21-400 cabin PA controller provides centralized control of an aircrafts internal and external PA system. This audio controller interfaces with all audio systems and keylines that are aboard the aircraft. It includes an integrated 25 watt amplifier which can drive a single 8 ohm speaker, as well as a low level output that can connect to a remote mounted amplifier such as a LS/LSA series speaker/amplifier.
规格：
Weight:
1.40 lb (0.64 kg)
Dimensions:
1.11 x 6.53 x 5.75 in (28.1 x 165.9 x 146.1), max.
Faceplate:
engraved acrylic edge lit panel with 28 Vdc backlighting.
Mounting:
standard Dzus mounting
Material/Finish:
Chassis & cover: 5052-H32 brushed aluminum with chromate conversion finish
Heat Sink:
de-burred 6063-T6 aluminum with chromate conversion finish
Connector:
Male filtered 25 pin D-subminiature with Positronics V5 locking tabs
Temperature:
-30°C to 55°C (operating)
-55°C to 85°C (survival)
Humidity:
>95%
Altitude:
25,000 ft
Certifications:
DO-160D Env. Cat. B4-BAB[(SBM)(UF)]XXXXXXZBABB[TTX]MXXXX
TSO Compliance TSO-C50c, RTCA DO170 Class II
(Applicable to units Serial # 1200 and up)
特征：
Compatible with LS and LSA series loud speaker system
Provides control of aircrafts internal and external PA systems
Integrated 25 watt amplifier designed to drive one 8 ohm speaker
Provides a low level audio signal to drive a remote mounted amplifier
Sends wail and yelp siren audio to the low level output
Output level varies by 3 dB when the input is grounded
Thermal protection during extended, high power operating conditions
TSO-C50c, DO-160G, DO-170
