Microphone Adapter &

Audio Transformer (MIC) 57A120D1

Microphone Adapter &

Part Number:
(MIC) 57A120D1

Product Details:
Microphone adapter and Freed audio transformer. 300 - 20,000 ohms. Includes shield box plus 4 pin flange mount female jack (MS3102A14S) mating with 4 pin inline male (MS3106A14S). New surplus. NSN: 5821-591-3786.

¢¢ Primary: 82 ohms, 50 ma
¢¢ Secondary: 100,000 ohms
¢¢ Dimensions: 2-1/8" x 2-3/4" x 1-5/8"H


Primary Z:
82 ohms
Secondary Z:
100000 ohms
Frequency Rating:
300 - 20000 Hertz
Dimensions
2-1/8" x 2-3/4" x 1-5/8"H
Manufactured by
Freed
Alternate P/N:
5821-00-591-3786

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