Part #: AA21-400

OEM:

Cobham

Desc:

Aircraft Public Address / Siren Contoller

Part Number :


AA21-400
FEATURES
  • Cabin PA system
  • Provides selection and control of internal and/or external PA system(s) installed in an aircraft
  • Integrated 25 W speaker driver circuit is designed to drive one 8 Ω speaker arrangement for internal paging
  • Provides a low-level audio signal output that drives the input on a remote mounted power amplifier
  • + 3 dB switch input allows the output level to change to suit aircraft operating conditions
  • Thermal protection is designed into the intermediate and final stage amplifiers to protect the unit during very hot or extended high power operating conditions
  • Mode select, PA/music, 35 W max
  • Output into 8 ohm. 6.5 Vrms max
  • Into 600 ohm, PA key-active low 
  • PA110/PA220/PA250/PA700 outputs 
  • Radio input 2.5 Vrms into 1k ohm 

 

Install Kit P/N AA21-400-IKC

 

SPECIFICATIONS
Weight: 1.4 lb / 0.64 kg Dimensions: 5.75"W x 1.11"H x 6.83"L max (146.05mm x 28.19mm x 173.48mm) (behind panel)
Power Requirements: 28 to 30VDC Input Current: 3 A max. full speaker power (35 W) @ +27.5 Vdc. 2.9 A max (35 W) wit h 0.40 A load on Switched Power Output. 0.40 A idle @ +27.5 Vdc
Mounting: Standard Dzus mounting (4 fasteners) Finish: Chassis and cover are 5052-H32 brushed aluminum with chromate conversion. Heat sinks are 6063-T6 aluminum with chromate conversion
Connectors: Male filtered 25 pin D-subminiature with Positronics V5 locking tabs Operating Temperature: -30 C to + 55 C
Altitude: 25,000 ft Humidity: > 95%
Vibration/Shock: 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)

 

 

 

 

TSO-C50c, RTCA DO170 Class II (Applicable to units Serial # 1200 and up)
DO-160D Env. Cat. B4-BAB[(SBM)(UF)]XXXXXXZBABB[TTX]MXXXX

Install Kit P/N AA35-IKC-1

Serial # 1273
Condition SV
Mods -
Tag Date 02/29/24
Shop Pacific Southwest Instruments
Warranty 6 Months
AA21-400
- Aircraft Public Address / Siren Controller
Price Condition Status
$2,100.00 SV OUTRIGHT 1 IN STOCK
REQUEST NEW OUTRIGHT REQUEST LEAD TIME

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