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CO2/CO2Pro
Miniature Condenser
Lavalier Microphone
• Very Small Profile
• Omnidirectional Polar Pattern
• Extremely Rugged Cable
• Paintable Tincture
• Complete Assortment of Clips
• Back-Electret Design
• Available in Black or White
™
Surface
SPECIFICATIONS
Generating Element:
Condenser, back electret
Frequency Response (see Figure 1):
50-20,000 Hz
Polar Pattern:
Omnidirectional
Sensitivity,
Open-Circuit Voltage:
8.5 mV/pascal at 1,000 Hz
Power level:
–38 dB at 1,000 Hz
(0 dB = 1 mW/pascal)
Dynamic Range:
128 dB
Equivalent Noise:
<29 dB SPL, typical, A weighted
(0 dB = 20 micropascals)
Dynamic Range:
99 dB
Output Impedance at 1,000 Hz :
100 ohms
Power Requirements:
12 to 52 V dc phantom supply
Current Consumption:
1.0 mA
Polarity:
A positive pressure on the diaphragm
produces a positive voltage on output
pin 2 (+)
Finish:
CO2, COPRO: Nonreflecting black
CO2-W, COPRO-W: White
Dimensions,
Electronics Module,
Length:
93 mm (3.65 in.)
Body Diameter:
19 mm (0.75 in.)
Capsule Diameter:
5.3 mm (0.21 in.)
Cable Length:
2.6 m (8 ft), permanently attached
Net Weight:
36 g (1.3 oz)
Shipping Weight:
238 g (8.4 oz)
Furnished Accessories,
CO2:
Single mic tie bar
Double mic tie bar
Single cable holding tie bar
Zippered vinyl carrying pouch
CO2Pro:
Single mic tie bar
Double mic tie bar
Single cable holding tie bar
Mic tie tack
Cable tie tack
Mic vampire clip
Cable vampire clip
Zippered vinyl carrying pouch
DESCRIPTION AND APPLICATIONS
The Electro-Voice CO2 and CO2Pro are omnidirectional back-electret condenser lavalier
microphones designed for the broadcast and
sound reinforcement applications where acoustic feedback problems are minimal.
The frequency response of the CO2/CO2Pro
microphone provides a full-range, well-balanced
sound character for clean and accurate sound
reproduction. The microphone’s omnidirectional
polar characteristic provides a uniform output
regardless of the direction of the sound.
The CO2/CO2Pro microphone is designed to
attach to the performer's clothing using the
supplied clips (See Furnished Accessories).
The electronics housing features a side clip to
facilitate attachment to a belt or pocket.
The microphone’s transducer is attached to
the electronics module by a 2.6-meter (8-foot)
length of miniature cable. The cable is highstrength and flexible, designed to withstand the
rigors of professional use. The exclusive Tincture™ surface accepts acrylic laquer paint—to
blend with any surface.
POWERING THE CO2/CO2PRO
The CO2 and CO2Pro are powered by an
external 12- to 52-volt phantom power supply
only. The electronics circuitry is wrapped with
an insulated copper foil for superior emi/rfi
attenuation. This module is enclosed in a housing of high-strength polycarbonate resin, forming a package that is light-weight but extremely
durable for long, reliable use.
OPERATION
To operate the CO2/CO2Pro, use high-quality
balanced cable with XLR connectors to connect the electronics housing to the mixer input
which is providing the phantom power. The
connecting cable used should be standard twoconductor shielded type; the shield is used as
ground return and must be properly connected
to avoid electrical noise.
FIGURE 1 — Frequency Response
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ARCHITECTS’ AND ENGINEERS’
SPECIFICATIONS
The microphone shall be a miniature, backelectret condenser with an omnidirectional polar pattern. The microphone shall have a frequency response from 50 to 20,000 Hz. The
product shall have a balanced output with a
100-ohm nominal impedance. The open-circuit
output voltage shall be 8.5 mV/pascal. The
microphone capsule shall be made of brass;
the electronics housing shall be made of polycarbonate resin.
The microphone shall be permanently connected to its electronics module with a 2.6 m
(8 ft) length of rugged, two-conductor, shielded,
miniature audio cable. The microphone shall
be supplied with tie clasps and a storage pouch.
The Electro-Voice CO2 and CO2Pro is specified.
UNIFORM LIMITED WARRANTY
Electro-Voice products are guaranteed against
malfunction due to defects in materials or workmanship for a specified period, as noted in the
individual product-line statement(s) below, or
in the individual product data sheet or owner’s
manual, beginning with the date of original
purchase. If such malfunction occurs during
the specified period, the product will be repaired or replaced (at our option) without charge.
The product will be returned to the customer
prepaid. Exclusions and Limitations: The
Limited Warranty does not apply to: (a) exterior
finish or appearance; (b) certain specific items
described in the individual product-line
statement(s) below, or in the individual product
data sheet or owner’s manual; (c) malfunction
resulting from use or operation of the product
other than as specified in the product data
sheet or owner’s manual; (d) malfunction resulting from misuse or abuse of the product; or
(e) malfunction occurring at any time after
repairs have been made to the product by
anyone other than Electro-Voice or any of its
authorized service representatives. Obtaining
Warranty Service: To obtain warranty service,
a customer must deliver the product, prepaid,
to Electro-Voice or any of its authorized service
representatives together with proof of purchase
of the product in the form of a bill of sale or
receipted invoice. A list of authorized service
representatives is available from Electro-Voice
at 600 Cecil Street, Buchanan, MI 49107 (616/
695-6831 or 800/234-6831). Incidental and
Consequential Damages Excluded: Product
repair or replacement and return to the customer are the only remedies provided to the
customer. Electro-Voice shall not be liable for
any incidental or consequential damages including, without limitation, injury to persons or
property or loss of use. Some states do not
allow the exclusion or limitation of incidental or
consequential damages so the above limitation
or exclusion may not apply to you. Other
Rights: This warranty gives you specific legal
rights, and you may also have other rights
which vary from state to state.
Electro-Voice Wired Microphones are guaranteed against malfunction from any cause for
two (2) years from the date of original purchase. In addition, the Limited Warranty for the
acoustic system contained in these microphones shall apply for the life of the product,
defined as a period of ten (10) years from the
date that the manufacture of the specific microphone has been discontinued. Any and all
active electronics incorporated in these microphones are guaranteed against malfunction
due to defects in materials or workmanship for
a period of three (3) years from the date of
original purchase. The Limited Warranty does
not extend to cables, cable connectors, or
switches. Additional details are included in the
Uniform Limited Warranty statement.
Service and repair address for this product:
Electro-Voice, Inc., 600 Cecil Street, Buchanan, Michigan 49107 (616/695-6831 or 800/
234-6831).
Specifications subject to change without
notice.
ELECTRO-VOICE
MANUFACTURING PLANTS AT BUCHANAN, MI NEWPORT, TN SEVIERVILLE, TN OKLAHOMA CITY, OK GANANOQUE, ONT.
© Electro-Voice, Inc. 1995
Litho in U.S.A. Part Number 532729 — 9551
a MARK IV company
600 Cecil Street, Buchanan, Michigan 49107
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