Electro-Voice 635A User manual

Key Features:
• Practically indestructible in normal use
• Steel housing provides magnetic shielding
and strength
• Withstands humidity,salt air,and severe
mechanicalshocks
• Self generating, no powering required
• Uniform 80-13,000 Hz response
Technical Specifications:
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635A&635A/B
Dynamic
Omnidirectional
Microphones
General Description:
The Electro-Voice® 635A and 635A/B are designed
for exacting professional applications such as film
production, recording, broadcasting, and the more
demandingPAapplications.The635Aand635A/Bmay
be purchased in packages of six. These “six packs”
donot includethe standadapter.Thehigh outputlevel,
andlowsensitivitytomechanicalshock,makethe635A
and635A/Bexcellentforinterviewsandforpass-around
use in audiences. The 635A and 635A/B feature a
diaphragmwhichpermits very smooth response over
a wide frequency range. The diaphragm withstands
humidityand temperature extremes, corrosiveeffects
of salt air, and severe mechanical shocks. It is
practicallyindestructible with normaluse.Afour-stage
pop and dust filter ensures a completely pop-free
performance and virtually eliminates the need for an
external windscreen during outdoor use. An internal
shockabsorber effectivelyreduces thepickupof cable
and other noise generated by external contact.

Frequency Response:
12000 Portland Avenue South, Burnsville, MN 55337
Phone:[phone], Fax:[phone]
www.electrovoice.com
© Telex Communications, Inc. 6/2006
PartNumber534670 RevD
U.S.A. and Canada only. For customer orders, contact Customer Service at:
800/392-3497 Fax: [phone]
Europe, Africa, and Middle East only. For customer orders, contact Customer Service at:
+ 49 9421-706 0 Fax: + 49 9421-706 265
Other International locations. For customer orders, contact Customer Service at:
+ 1 952 884-4051 Fax: + 1 952 736-4212
For warranty repair or service information, contact the Service Repair department at:
800/553-5992 or 402/467-5321
For technical assistance, contact Technical Support at: 800/392-3497 or 952/736-4656
Specifications subject to change without notice.
Wiring Diagram:
Dimension Drawing:
Architects’ and Engineers’ Specifications:
Themicrophone shall beanElectro-Voice 635Aor635A/B.The microphone shallbe an omnidirectional dynamictype with
widerangeresponseuniform from 80-13,000 Hz. It shall have a four-stagepop filter,and magnetic shield to prevent dust
and magnetic particles from reaching the diaphragm. The impedance shall be such that the microphone will match 50-,
150- and 250-ohm inputs. The line shall be balanced to ground and phased. The output level shall be -55 dB with 0 dB
equaling 1.4mV/pascal. The magnetic circuit shall be a nonwelded circuit and employAlnico V and magnetic iron. The
caseshall bemadeof steel.Themicrophone shallhavea maximumdiameter of 36mm (1.41 in.),a length of151 mm(5.94
in.) and a weight of 170 grams (6 oz.) The Electro-Voice 635Aand 635A/B are specified.