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Timeline for Using a microphone from the 1930s

Current License: CC BY-SA 4.0

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Dec 14, 2022 at 6:52 answer added lae777 timeline score: 0
May 2, 2019 at 7:48 vote accept Tim Stack
May 2, 2019 at 6:00 history tweeted twitter.com/StackElectronix/status/1123829679377539072
May 1, 2019 at 17:06 history became hot network question
May 1, 2019 at 16:36 answer added JRE timeline score: 14
May 1, 2019 at 16:12 answer added TimWescott timeline score: 6
May 1, 2019 at 16:06 comment added user131342 I think you could safely try to use this device. Carbon microphones used a transformer for isolation; the primary circuit had the carbon cell in series with the battery. The carbon cell changed resistance (slightly!) in response to sound pressure, and the transformer amplified these changes. The output should therefore be isolated from everything else - whether you can get a useful signal can only be found by experiment.
May 1, 2019 at 15:31 comment added Tim Stack No. What would that do, were I to get my hands on one?
May 1, 2019 at 15:02 comment added Eugene Sh. An Oscilloscope. I guess not.
May 1, 2019 at 15:01 comment added Tim Stack A scope? As in?.. Probably an electric engineering term, but all I can think of is a scope
May 1, 2019 at 14:57 comment added Eugene Sh. Judging from the second link, the 4V input is power. The V one is probably the output. Do you have an access to a scope?
May 1, 2019 at 14:53 comment added Eugene Sh. OT, but I would try to sell it to some antiquarian :)
May 1, 2019 at 14:51 comment added JRE Optimistic characters back then. "Carbon microphone" and "low noise" aren't usually things you see together in one sentence.
May 1, 2019 at 14:48 history edited Tim Stack
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May 1, 2019 at 14:48 comment added Tim Stack @EugeneSh. well then, I will see if it has a 6.35 plug for my headset. The power question remains!
May 1, 2019 at 14:45 review First posts
May 1, 2019 at 14:49
May 1, 2019 at 14:44 comment added Eugene Sh. I really would not try to connect this thing to my computer. It has a really good chance to fry it or some part of it.
May 1, 2019 at 14:42 history asked Tim Stack CC BY-SA 4.0