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A641-4B
(AM3597C/A) In-Line Amplifier
These In-Line amplifiers are subminiature, microphone amplifiers
which make it possible to replace a noisy carbon microphone
with a low impedance, low noise dynamic microphone in any voice
system.
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(.pdf) ››› |
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A641-5B
(AM4326B/A) In-Line Amplifier
These In-Line amplifiers are subminiature, microphone amplifiers
which make it possible to replace a noisy carbon microphone
with a low impedance, low noise dynamic microphone in any voice
system.
Read
more (.pdf) ››› |
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A651-B
(AM7067/A) In-Line Amplifier
These In-Line amplifiers are subminiature, microphone amplifiers
which make it possible to replace a noisy carbon microphone
with a low impedance, low noise dynamic microphone in any voice
system.
Read
more (.pdf) ››› |
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A642-1A
Interphone Receiver Amplifier
A miniature, encapsulated, receiver amplifier for use in
interphone or other voice audio systems. The amplifier has adjustable
gain and will operate over a wide range of environmentally.
Read more (.pdf) ››› |
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A643 Dual Input Telephone Amplifier
A dual input audio amplifier for use in intercommunication systems. It is intended for use in any audio system where mixing, isolation and amplification of two signals are required.
Read more (.pdf) ››› |
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A643-U2A
Single Input Audio Amplifier
A miniature, encapsulated, solid-state unit of high reliability.
It is intended for use in any audio system where isolation and
amplification of an audio signal is required.
Read more (.pdf) ››› |
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A81-6 (Am1963F/AIC)
Amplifier Assembly
Designed to provide high intelligibility intercommunications
and radio monitoring facilities for airborne and ground installations.
The amplifier assembly also provides for control and modulation
of one transmitter for communication with airborne, ground,
and mobile stations.
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more (.pdf) ››› |
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A81-77 (AM-1964F/AIC)
A81-85 (AM-4347/AIC-25) Audio Frequency Amplifier
A low noise, high gain unit that features a patented Automatic
Gain Circuit (AGC). This maintains the output virtually constant
and distortion less over a wide range of output level. The AGC
action makes the unit ideal for use as an instrument amplifier
and recorder driver in systems with widely varying signals,
such as seismological measurements.
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more (.pdf) ››› |
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A81-78 (AM-1965F/AIC)
A81-86, A81-105 (AM-4346/AIC-25) Audio Frequency Amplifier
A one-watt power amplifier, that can be used to drive an
8 ohm headset or speaker, or as a low noise, high gain preamplifier
in any voice frequency system. The unit also contains an optional
Automatic Gain Control Circuit, which can be used to prevent
overloading, or distortion of the signal.
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more (.pdf) ››› |
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A61-14A (AM-476C)
Audio Frequency Amplifier
Designed to operate as a dual microphone and headset amplifier
when integrated with appropriate external switching in communication
systems.
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more (.pdf) ››› |
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A644 (C2645/AIC-14)
Audio Amplifier Module
A dual input audio amplifier for use in intercommunication
systems. It is intended for use in any audio system where mixing,
isolation, and amplification of two signals are required.
Read
more (.pdf) ››› |
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A642
Interphone Microphone Amplifier
A miniature, encapsulated, solid-state microphone amplifier
for use in interphone or other voice audio systems. The amplifier
provides bias current for a carbon microphone, has adjustable
gain, and will operate with a wide variation in output load.
Read
more (.pdf) ››› |
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