Miscellaneous Audio Parts
Microphone Adapter &
Audio Transformer
100,000 ohms
(MIC) 57A120D1
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
$65 each
Vintage Ear Piece
Vintage ear piece. 3" pigtail. Circa 1960's.
25¢ each - 20¢ (50+), 16¢ (250+)
Boom Microphone
(MIC) 55AW
A throw back from the 50's. This boom microphone needs an element, headset and head to operate.
$2 each
Cord Assembly
(WAA) 67740-09
A replacement rubber coiled cord assembly for military communications headset. 6 foot plus relaxed cord stretches to 15 feet plus. Terminated with a ten pin GC U-77/U connector.
*** SOLD OUT ***
Headband Replacement
(MIC) H133C/A1C
David Clark headset-microphone replacement headband. Soft cushion pad. NSN 5965-00-226-7870.
$10 each
Speaker Grill
(SPK) 01-41858E01
Motorola speaker grill. Speaker mounting holes on back. 2.5" c-c. 3-3/4" x 4-3/8" x 5/8" high. Brand new!!
$1 each - 85¢ (10+), 70¢ (100+)
Earphone Cushion
(MIC) 11278
Earphone cushion. NSN: 5965-00-280-9669.
$3 each
Headset Harness USN H16-U,
MX-240/U, MX-239/U
(MIC) MX-175/U
NEW! Steel communications headband/harness with Military Green vinyl covering. Sealed military surplus package, DC 1976. Gas sterilizable. 12.5" cord length with PJ-054 plug. Dual connection plug assembly on each side. This is a replacement harness/headband for USN Radio Headsets H16-U, MX-240/U and MX-239/U. Please check your configuration to ensure compatibility before ordering. The individual Earpieces plug into the harness on each side. Alt P/Ns: 133B1076A, SC-D-14628, MX175U. NSN: 5965-00-642-8611.
$10 each - $9 (5+), $8 (10+)
Magnetic Tape Head
(MIC) BK-1110
Brush 2 channel magnetic tape head.
$25 each
McMartin Compressor /
Expander for Audio Console
(EQP) CM-2001
McMartin compressor / expander for audio console. 600 ohm in / out. New in the box. Just a few left.
$250 each
Universal Talkback
(EQP) LR-1010
McMartin Universal talkback amplifier is designed for two way voice communication between two speaker stations and a third handset. Works with 25v or 70.7v lines. 600 ohm. 1-3/4" high rack width, 7-1/4" deep. Runs on 120 vac or 24 vdc.
$100 each