APU Horn Assembly for Boeing

Product image 1APU Horn Assembly for Boeing
Product image 2APU Horn Assembly for Boeing

Auxiliary power unit, fire warning horn designed for Boeing. It produces 108db (+10db, -3db) at a frequency of 25-20,000 Hz.

Boeing APU Horn Assembly

Tech Specs
  • Drawing Number: 70666
  • Weight: 1.25 lbs. (567gm)
  • Horn Diameter: 5.1h (130mm)
  • Overall Height: 2.28h (58mm)
  • Mounting Depth: 1.71h (43mm)
  • Power Consumption: 55ma @ 28 VDC (typical)
Model Part # Description STC Approvals
7066600 01-0770666-00 APU Horn Assembly None FAA/PMA

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