776543TYPE147B
Amplifier
AMPLIFIER,AUDIO FREQUENCY
776543TYPE147B
American Telephone And Telegraph Co
AMPLIFIER,AUDIO FREQUENCY
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Technical Characteristics
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Circuit Construction Type
electron tube
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Maximum Operating Altitude Rating
not rated
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Overall Gain
not rated
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Overall Height
1.719 inches nominal
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Average Power Rating Per Channel
not rated
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Operating Temp Range
not rated
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Inclosure Type
encased
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Average Life Measurement
not rated
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External Dc Operating Voltage In Volts
27.5 maximum single voltage err-100
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Features Provided
internal battery accommodation
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Signal Voltage Rating Per Channel
not rated
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Overall Length
4.812 inches nominal
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Overall Width
4.438 inches nominal
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Connection Type And Location
single panel jack front
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Shock Resistance Rating In Gravitational Units
not rated
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Basic Shape Style
rectangular or square
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External Dc Operating Voltage In Volts
1.5 minimum single voltage err-100
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Frequency Per Channel
4.0 kilohertz maximum operating channel err-100
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Impedance Rating Per Channel
2.500 megohms input channel err-100
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Maximum Continuous Operating Time In Hours
not rated
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Installation Design
portable
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Impedance Rating Per Channel
80.000 megohms input channel err-100
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Frequency Per Channel
100.0 hertz minimum operating channel err-100
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Identification Designator
a776543type147b-64959
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Vibration Resistance Range In Hertz
not rated
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Attenuation In Decibels
not rated
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Impedance Rating Per Channel
60.000 ohms output channel err-100