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This unit incorporates a cartridge-type condenser microphone, 7mm in diameter, and a transistorized head amplifier.
Since the frequency range is wide, extending into high frequencies, the microphone is widely used in broadcasting stations.
Input power requirement: 30V DC.
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The contents of this site are excerpted from THE OFFICIAL RECORD OF TIME CAPSULE EXPO'70(March 1975). Please note that company and organization names may differ from those of the current ones.
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