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PERFORMANCE CHARACTERISTICS
The KSM313, like all ribbon microphones, performs optimally with
the least amount of loading on the ribbon element as practical.
The higher the impedance input on the microphone, the better the
low-end and mid-range frequencies are represented in the output
signal. We recommend using preamps with impedance settings of
1000 Ohms or more.
The KSM313 is a low-noise microphone. The combination of its
efficient transducer, robust shielding, and custom transformer give
the microphone a low noise floor and output level equal to moving
coil microphones. Certain ribbon designs have weaker magnets
and less shielding, and require additional gain for optimum perfor-
mance. This is not the case with the KSM313. Most professional
level preamplifiers with normal gain and high input impedance are
well suited for this microphone.
The KSM313 is quite natural sounding and does not require color-
ation at the preamp stage for optimal performance. Preamps that
provide simple, transparent gain usually provide the best results.
However, you may prefer a more colored sound, and we encourage
you to experiment to find the right combination that suits your taste.
When addressing the rear side of the KSM313 please remember to
invert the signal polarity.*
*Shure’s A15PRS accessory is an in-line, balanced, polarity reversing switch
capable of this operation and is available online at: store.shure.com