Shure KSM353 User Manual
KSM353
ROSWELLITE™
RIBBON MICROPHONE
USER GUIDE
GENERAL DESCRIPTION
N108
The KSM353 is a premium bidirectional ribbon microphone crafted
for pristine audio in studio and concert hall applications. Proprietary
Roswellite™ ribbon technology provides revolutionary ribbon
resilience and durability under extreme conditions.
These microphones are hand assembled in the U.S.A. from stateof-the art transducers, transformers and metals as the pinnacle of
Shure quality for prestigious vocal and acoustic performances.
Revolutionary Roswellite ribbon material replaces traditional foil
ribbons with high tensile strength, toughness and shape memory
that provides superior resilience at extreme SPLs.
FEATURES
Legendary Shure quality and superior construction from •
hand-assembly of machined steel, silver, gold and aluminum
components
Revolutionary Roswellite™ ribbon material replaces traditional foil •
ribbons with high tensile strength, toughness and shape memory
that provides superior resilience at extreme SPLs
30 – 15,000 Hz frequency response ideal for capturing fast •
transients in vocals, acoustic instruments and concert halls
Uniform bidirectional polar patter throughout the frequency range•
Custom ribbon motor assembly provides full low and mid ranges •
with superior upper presence from a rising response
Custom-wound double-shielded full-size transformer minimizes •
signal loss and maximizes ouput while reducing RF interference,
positioned perpendicular to ribbon for best magnetic flux rejection
Protective mahogany case included for storage•
Spring-loaded shock mount for flexible, fully-isolated stand •
mounting
©2009 Shure, Inc.
27A13256
Printed in U.S.A.
PERFORMANCE CHARACTERISTICS
The KSM353, 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 KSM353 is a low noise microphone. The combination of
its efficient transducer, robust shielding, and custom full-sized
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 performance. This is not the case with the KSM353. Most
professional level preamplifiers with normal gain and high input
impedance are well suited for this microphone.
The KSM353 is quite natural sounding and does not require coloration 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 KSM353 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
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