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Cobalt
™
Co
4
Instrument Microphone
Standard Placement & Use Guidelines
1.Always point the microphone at the desired source of
sound, and away from any unwanted sources.
2.The microphone should be located close to the sound
source to minimize interference from other potential
sound sources.
3. Use the 3-to-1 rule when using multiple microphones.
Place each microphone three times farther from other
microphones as from the desired sound source.
4. Minimize over-handling of the microphone to reduce
unwanted mechanical noise.
5.Working close to the microphone will increase the bass
tone and also provide increased gain-before-feedback.
Specifications
Element Dynamic
Neodymium magnet structure
Frequency Response 50 Hz to 18 kHz
Polar Pattern Cardioid
Impedance Low-Z balanced (600 Ohms)
Sensitivity
Open Circuit Voltage 2.8 mV/Pa (-51dBV) re 1 Pa*
Microphone Connector 3-pin, XLR-type
Polarity Pin 2 positive, referenced to pin 3
with positive pressure on diaphragm
Finish Durable polyurethane paint
Materials Die cast zinc housing
Dimensions
Length 5.8 in. (148 mm)
Diameter .92 in. (23 mm)
Shank .46 in. (12 mm)
Weight
Net 12 oz. (340 grams)
Accessories included Stand adaptor (black)
12000 Portland Avenue South, Burnsville, MN 55337
Phone: 952/884-4051, Fax: 952/884-0043
www.electrovoice.com
© Telex Communications, Inc. 9/2003
Part Number 38109-907 Rev. B
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.
1 Pa = 94dB SPL