Different manufacturers use slightly different guidelines but the classifications are roughly.
High impedance microphone cable.
The most common values range between 10 000 and 50 000 ohms.
Shure pga48 xlr cardioid dynamic vocal microphone.
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You will often find that mics with a hard wired cable and 1 4 plug are high impedance and mics with separate balanced audio cable and xlr connector are low impedance.
About the only advantage of high impedance microphones is lower cost.
While higher mic impedances theoretically equate to stronger audio signals due to increased voltage this is not always desirable due to the risk of noise as impedance rises.
However there are many disadvantages.
The cable length is critical.
Singing machine smm 205 unidirectional dynamic microphone with 10 ft.
This can become a problem as the length of the cable increases.
This item choice select high impedance microphone with cable.
A high impedance microphone has an impedance from 10 000 to 100 000 ohms.
Behringer ultravoice xm8500 dynamic vocal microphone cardioid.
Similarly if you connect a high impedance microphone you will have a higher impedance line all the way from the microphone to the mixer.
High impedance lines are more adversely affected by the.