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Microphones

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by

Kyle Evans

on 30 October 2015

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Transcript of Microphones

Microphones
Microphopne Types
Directional Response
Frequency Response
Transient Response
Microphone Dynamics

Microphone Types
Dynamic | Ribbon | Condenser
Dynamic Microphone
Operates on the principle of
electromagnetic induction
Ribbon Microphone
Also based on
electromagnetic induction
AEA R84
Condenser Microphone
Operates on the principle of
capacitance
Rode NT-1
Neumann u87
Directional Response
A microphone’s sensitivity at various angles

Shure SM57
Rode NT-1
Royer R-121
Rode NTG-2
Rode NT2
Frequency Response
The changes in a microphone’s output over the audible frequency range
Rode NTG-2
Neumann U-87
Shure 520dx
Transient Response
How quickly a microphone’s diaphragm will react
Dynamic
Ribbon
Condenser
Proximity Effect
An increase in low frequency response when a microphone is within 1 foot of the source.
Only with directional mics!
Shure Beta 58a
AKG D112
Sensitivity Rating
Output level of a microphone. Measured in mV or dBu or dBV.
SM-57
1.6 mV
-53.7 dBu
Rode NT-1
25 mV
-29.7 dBu
NTG-2
15.8 mV
-33.8 dBu
AKG D112
1.8 mV
-52.6 dBu
Microphone Dynamic Range
Equivilant Noise Rating (ENR)
A microphones electrical self noise. Measured in dB SPL.

Maximum SPL
The loudest signal a microphone can handle until distortion. Measured in dB SPL.
Full transcript