Telex 38T Electret Microphone

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Part# 38T
MFR Model# 63999-000


A state-of-the-art high quality noise cancelling microphone designed as a direct replacement for the RS-38 series microphones. Hanger bracket not included.

solid state adjustable amplifier
FAA TSO C58 Approved.

California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -


The original microphone in my 52 year old Bonanza was not working correctly so I searched on line for a replacement. I selected the Telex 38t because it reminded me of the mikes I used flying Boeing 757s for Eastern Airlines. It works fine and now I get a “loud and clear” response from the tower. The only reason I didn’t give it 5 stars is because it did not come with a mounting bracket.

Jim C
April 11, 2020


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Does the Telex 38T with the DIN connector fit the same DIN connector in my panel that I use for my David Clark headsets?

The 38T plugs into a standard mic jack. As long as you have dual GA jacks in your panel this will work.

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