Vintage Astrocom 10927C Aircraft Aviation Headset Microphone ForSB22 Switchboard

Item description from the seller

Vintage Astrocom 10927C Aircraft Aviation Headset Microphone For SB22 Switchboard New Old Stock Lot 10712 G16 Unpackaged Unit Weight 10.0 GRAMS Frequency Response Range In Hertz +100.0 TO 4000.0 Impedance Rating 300.0 OHMS NOMINAL Output Sensitivity Rating In Decibels -40.0 Output Sensitivity Rating Reference 1 VOLT PER PASCAL End Item Identification SB22 SWITCHBOARD Polarity Connection REQUIRED Sound Pickup Directional Type NOT RATED Noise Canceling Feature INCLUDED Support Stand NOT INCLUDED Shock Mount NOT PROVIDED Electrical Connection Type CONNECTOR RECEPTACLE Special Features MEETS SAND AND DUST, IMMERSION, AND BLAST REQUIREMENTS Functional Description USED FOR VOICE TRANSMISSION Supplementary Features SUPPLY VOLTAGE 3 TO 15 VDC, SUPPLY CURRENT 6 + OR - VDC (15 MILLIAMPS MAX AT 15 VDC) Type/Model Designation 10927C

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