The Model 251 passenger speaker amplifier is a remote-controlled unit that is operated from switches and potentiometers located in the cockpit or cabin of the aircraft. This unit receives audio from various sources to send speakers located in the cabin. The 251 passenger audio amplifier also provides fasten seat belt and no smoking chime tones, cabin call ring tone, ADF, pilot selection Com (PSC), Briefer and cabin paging audio (in mono) to the cabin speakers. It also provides stereo audio from an external AM/FM stereo receiver, cassette tape, or CD player to cabin speakers as well as auxiliary outputs.
友情提醒：件号：251 相关介绍完善中 / 部分技术参数正在核实，当前信息仅供参考，最终订货请以实际件号、原厂资料及 IPC 手册为准。
规格：
Weight:
2.7 lb max.
Dimensions:
7.8 x 3.675 x 2.47 in
Output:
49 W @ 1Ω (40 W typ.) / 28 W @ 2Ω (30 W typ.) / 15 W @ 4Ω (18 W typ.)
Isolation between channels:
60 dB min.
Output noise:
Greater than 75 dB below rated
Power supply:
28 VDC @ 5 A, max.
Mounting:
Horizontally or vertically
Temperature:
-55°C to 70°C
Altitude:
Up to 70,000 ft
特征：
No product features currently available.
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