Whelen - Horn Fire Warning, Assembly 28V, 108DB, 25-20k Hz | 01-0770666-00 No Vermont authors Greg Brown and Laurel

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Whelen - Horn Fire Warning, Assembly 28V, 108DB, 25-20k Hz | 01-0770666-00 No Vermont authors Greg Brown and LaurelWhelen Horn Fire Warning, Assembly 28V, 108DB, 25 20k Hz 01 0770666 00 Whelen 01 0770666 00 APU Horn Assembly (W L H) 7. 75 in. X 7. 25 in. X 4. 3 in. The Model 7066600 Series is an Auxiliary Power Unit, Fire Warning Horn designed for Boeing. It produces 108db (+10db, 3db), at a frequency of 25 20,000 Hz. Boeing 10 62239 2.