Can you record "sound" through a microphone silently, through inductance?

Question

By which I mean recognizeable audio. If, for example, you were to take a stereo, and dismantle the speaker, so that only the speaker coil was left, would the coil in a microphone still pick up whatever the stereo was playing? I get that decent dynamic mic is pretty well shielded, but what about a cheap condenser mic like in a dictaphone? I don't think those have coils though, but would it work if the "speaker" were relatively close?

Answer 1

Yes, that is effectively an audio transformer.

Answer 2

Sorry, having trouble interpreting the question.

"Can you record "sound" through a microphone silently, through inductance?" NO, no sound, there is no sound to record.

next question: there needs to be a coil that moves in a magnetic field to generate a voltage. A speaker can be used as a microphone, but you need the magnet and the coil has to be suspended so it can move, vibrate.  A coil by itself will do nothing.

different interpretation to question:

You seem to be asking if a microphone coil will pick up sound from a dismantled speaker. No, a dismantled speaker will produce no sound.

lat question, don't understand. Certainly a cheap condenser microphone will work. Yes, they have no coils.