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12000 Portland Avenue South, Burnsville, MN 55337
Phone:952/884-4051, Fax:952/884-0043
www.electrovoice.com
© Telex Communications, Inc. 6/2006
Part Number 534670 Rev D
U.S.A. and Canada only. For customer orders, contact Customer Service at:
800/392-3497 Fax: 800/955-6831
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:
The microphone shall be an Electro-Voice 635A or 635A/B. The microphone shall be an omnidirectional dynamic type with
wide range response uniform from 80-13,000 Hz. It shall have a four-stage pop 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 employ Alnico V and magnetic iron. The
case shall be made of steel. The microphone shall have a maximum diameter of 36 mm (1.41 in.), a length of 151 mm (5.94
in.) and a weight of 170 grams (6 oz.) The Electro-Voice 635A and 635A/B are specified.