Shure KSM313 Dual Voice Ribbon Microphone User Guide KSM313_guide_en US En
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KSM313
©2011 Shure Incorporated
27A16163 (Rev. 1) Printed in U.S.A.
User Guide
Le Guide de l’Utilisateur
Guia del Usuario
Guida dell’Utente
Bedienungsanleitung
Руководство пользователя
取扱説明書
用户指南
사용자 안내서

SHURE INCORPORATED
KSM313 Dual-Voice Ribbon Microphone with
Roswellite® Ribbon Technology
Thank you for selecting the KSM series from Shure.
Over 85 years of audio experience has contributed to making this one
of the finest microphones available.
If you have any questions not answered in this guide, please contact Shure Applications Engineering at
847-600-8440, Monday through Friday, from 8:00 am to 4:30 pm, CST. In Europe, call 49-7131-72140.
Our web address is www.shure.com.
4
General Description
The KSM313 is a premium bidirectional ribbon microphone for world-class audio recording and
performance. The “Dual-Voice” design features discrete front and rear sonic signatures to accurately
capture intimate vocals or intricate instrumentation.
The KSM313 is hand-assembled in the U.S.A. from state-of-the-art transducers, transformers and
metals as the pinnacle of Shure quality. The revolutionary Roswellite® ribbon material replaces
traditional foil ribbons with high tensile strength, toughness and shape-memory, providing superior
resilience at extreme sound pressure levels (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, providing superior resilience at extreme SPLs
• True “Dual-Voice” ribbon motor assembly, tuned specifically for user’s choice of frequency
response: address the front for warm and full sounding amplifiers, or swivel around for bright and
flattering vocals and acoustic instruments
• 30–15,000 Hz frequency response ideal for capturing vocals, acoustic and amplified instruments
• Uniform bidirectional polar pattern throughout the frequency range
• Custom-wound, double-shielded, full-size transformer minimizes signal loss and RF interference,
and maximizes output
• Improved hard stand mount for flexible, discreet mic placement
Performance Characteristics
Ribbon microphones perform 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. Shure recommends using preamps with imped-
ance settings of 1000 Ohms or more, although different load impedances may be used for a desired
sound quality.
This is a low-noise microphone. The combination of its efficient transducer, robust shielding, and
custom transformer produces a low noise floor and output level equal to moving coil microphones.
Shure ribbon microphones have an exceptionally smooth, natural response and perform best with
preamps that provide simple, transparent gain. However, Shure encourages experimentation to find
the desired combination of color and transparency.

5
Front Back
Applications
The unique Dual-Voice design of the KSM313 produces discrete front and rear sonic signatures.
Position the sides, the null points of a bidirectional microphone, towards any unwanted sound sourc-
es. Some typical applications are listed below.
Address the front for a warmer,
darker tone
• Electric guitar amplifiers
• Brass and woodwind
instruments
• Upright bass
• Kick Drum
Address the rear* for a brighter
tone with increased presence
• Vocals
• Acoustic string instruments
• Drum overheads and
percussion
Mounting the Microphone
Thread the supplied stand adapter onto a floor or boom stand and insert the microphone.
Note: To reduce low-frequency vibrations transmitted through the stand, use an isolating shock
mount. Visit www.shure.com for more information.
Stand Mount
(furnished)
Suspension Mount
(optional accessory)
*When addressing the back side of a bidi-
rectional mic, 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 on-
line at: store.shure.com
6
Proximity Effect
Directional microphones progressively boost bass frequencies as the microphone is placed in closer
proximity to the source. This phenomenon, known as proximity effect, can be used to create a
warmer, more powerful sound.
Care and Handling
To protect your microphone, keep a few simple precautions in mind to ensure long-term
performance:
1. Store your microphone in its protective case when it is not in use.
2. Maintain a reasonable distance from fluorescent lights, power transformers, and other strong
electromagnetic sources to avoid hum.
3. Use a secure mount and stand and a quality balanced, shielded XLR connecting cable. For ad-
ditional mounting accessories, visit our website: www.shure.com
4. Phantom power is not necessary and should not be supplied when connecting or disconnecting
the microphone. However, properly supplied phantom power will not harm the microphone.
Certifications
Eligible to bear CE Marking. Conforms to European EMC Directive 2004/108/EC. Meets
Harmonized Standards EN55103-1:1996 and EN55103-2:1996, for residential (E1) and light indus-
trial (E2) environments.
The CE Declaration of Conformity can be obtained from: www.shure.com/europe/compliance
Authorized European representative:
Shure Europe GmbH
Headquarters Europe, Middle East & Africa
Department: EMEA Approval
Wannenacker Str. 28
D-74078 Heilbronn, Germany
Phone: +49 7131 72 14 0
Fax: +49 7131 72 14 14
Email: EMEAsupport@shure.de
Note: Information in this guide is subject to change without notice. For additional information about
this product, please visit www.shure.com.

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1.7 in
(43 mm)
5.3 in
(135 mm)
Transducer Type Dual-Voice Roswellite® Ribbon
Polar Pattern Bidirectional
Frequency Response 30 to 15,000 Hz
Output Impedance 330 Ω
Sensitivity
open circuit voltage, @ 1 kHz, typical
-54.5 dBV/Pa[1] (1.88 mV)
Maximum SPL 146 dB SPL
Polarity Positive pressure on front side of ribbon produces positive voltage on
pin 2 with respect to pin 3
Housing Machined Steel
Weight 400 g (14 oz.)
[1] 1 Pa=94 dB SPL
KSM313/NE Accessories and Parts
Furnished Accessories
Aluminum Carrying Case A313SC
ShureLock® Stand Mount A300M
Protective Velveteen Pouch A313VB
Optional Accessories
Suspension Mount A313SM
Switchable Phase Reverser A15PRS
Popper Stopper™ Windscreen PS-6
7.6 m (25 ft.) Cable C25E
Polishing Cloth A300PC
Specifications

8
20
15
10
5
0
-30
-25
-20
-15
-10
-5
dB
Hz
20 100 1k 10k
20k
500 Hz
1000 Hz
4 kHz
8 kHz
2 kHz
20
15
10
5
0
-30
-25
-20
-15
-10
-5
dB
Hz
20 100 1k 10k 20k
Polar Pattern
Frequency Response
Front
Back
Trademark Notices:
“Roswellite”, “Shurelock”, the circular S logo, the stylized Shure logo, and the word “Shure” are registered trademarks of
Shure Incorporated in the United States. These marks may be registered in other jurisdictions. “Popper
Stopper” is a trademark of Shure Incorporated in the United States.

www.shure.com ©2011 Shure Incorporated
Asia, Pacific:
Shure Asia Limited
22/F, 625 King’s Road
North Point, Island East
Hong Kong
Phone: 852-2893-4290
Fax: 852-2893-4055
Email: info@shure.com.hk
United States, Canada, Latin
America, Caribbean:
Shure Incorporated
5800 West Touhy Avenue
Niles, IL 60714-4608 USA
Phone: 847-600-2000
Fax: 847-600-1212 (USA)
Fax: 847-600-6446
Email: info@shure.com
Europe, Middle East, Africa:
Shure Europe GmbH
Jakob-Dieffenbacher-Str. 12,
75031 Eppingen, Germany
Phone: 49-7262-92490
Fax: 49-7262-9249114
Email: info@shure.de
www.shure.com ©2011 Shure Incorporated
Asia, Pacific:
Shure Asia Limited
22/F, 625 King’s Road
North Point, Island East
Hong Kong
Phone: 852-2893-4290
Fax: 852-2893-4055
Email: info@shure.com.hk
United States, Canada, Latin
America, Caribbean:
Shure Incorporated
5800 West Touhy Avenue
Niles, IL 60714-4608 USA
Phone: 847-600-2000
Fax: 847-600-1212 (USA)
Fax: 847-600-6446
Email: info@shure.com
Europe, Middle East, Africa:
Shure Europe GmbH
Jakob-Dieffenbacher-Str. 12,
75031 Eppingen, Germany
Phone: 49-7262-92490
Fax: 49-7262-9249114
Email: info@shure.de
www.shure.com ©2011 Shure Incorporated
Asia, Pacific:
Shure Asia Limited
22/F, 625 King’s Road
North Point, Island East
Hong Kong
Phone: 852-2893-4290
Fax: 852-2893-4055
Email: info@shure.com.hk
United States, Canada, Latin
America, Caribbean:
Shure Incorporated
5800 West Touhy Avenue
Niles, IL 60714-4608 USA
Phone: 847-600-2000
Fax: 847-600-1212 (USA)
Fax: 847-600-6446
Email: info@shure.com
Europe, Middle East, Africa:
Shure Europe GmbH
Jakob-Dieffenbacher-Str. 12,
75031 Eppingen, Germany
Phone: 49-7262-92490
Fax: 49-7262-9249114
Email: info@shure.de