At your own risk.
Current must be small. A high impedance source is to be used, one for example that has a high series output resistor.
This was by chance observed when a Philips N 8207 omnidirectional dynamic microphone was connected directly to iPad.
It sounded less bass heavy than usual and the reason might have been the resistor with voltage on one side inside iPad to power electret mic (amolifiers). The force on the diaphragm may change its reasonant frequency.
Variable current by a variable resistor may change low cutoff frequency.
It may not be recommended as this may produce contact sensitive noise.
Even barely twisting the headphones-mic plug may produce noise.
Current must be small. A high impedance source is to be used, one for example that has a high series output resistor.
This was by chance observed when a Philips N 8207 omnidirectional dynamic microphone was connected directly to iPad.
It sounded less bass heavy than usual and the reason might have been the resistor with voltage on one side inside iPad to power electret mic (amolifiers). The force on the diaphragm may change its reasonant frequency.
Variable current by a variable resistor may change low cutoff frequency.
It may not be recommended as this may produce contact sensitive noise.
Even barely twisting the headphones-mic plug may produce noise.
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