Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
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I have put together an overly complicated headset tester with hopes to expand it to a intercom station. But it doesn't work as I wish. No mic audio is audible in the headset. I am using a standard aviation headset David Clark H3312 with a 600ohm load.
Have I overlooked something very obvious...
Hi
I have occasion to work on aviation headsets occasionally and rather than buy an aircraft intercom to just use on the workbench, I am thinking there might be an easy solution with parts on my bench. The mics are called amplified electret.
Spec sheet of a typical set is here...
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