Earthworks IM6-B Datasheet
IM Series
™
for Fixed Sound Installations
For Conference Rooms, Conference Tables and Other Applications
IM Series Models in White
• High Denition Microphones™ for
Conference Rooms and Fixed Sound
Installations
• Near-perfect Polar Response (uniform
frequency response at 0º, 45º & 90º)
• Can be Mounted in Wall, Ceiling or
Conference Tables (includes lock nut)
• High Rejections of Sounds from the
Rear of the Microphone
• Very High Intelligibility
• More Gain Before Feedback
• 30Hz to 30kHz Frequency Response
• Very Easy to Position via Mini-
gooseneck
• 145dB Max Acoustic Input
• Requires 48V Phantom Power
• Available in Black, White or Silver
IM Series
Cardioid
Polar
Response
IM Series
Hypercardioid
Polar Response
IM Series
Impulse Response
IM Series Models
in Black
Also Available
in Silver
Architectural & Engineering
Specications
30kHz Cardioid
The microphone shall be a back-electret condenser type with a wide-range uniform frequency
response of 30 Hz to 30 kHz ±2dB and shall have
an output level of 10mV/Pa. The microphone
shall be of a single capsule, single membrane design with an impulse response rise time no longer
than 25 microseconds, and total settling time,
including rise time, no longer than 120 microseconds. The microphone shall have polar characteristics uniform in all planes to form a cardioid
or hypercardioid of revolution and shall accept
sound pressure levels up to 145dB producing
no more than 3%THD. Dimensions of the microphone bodies shall be 4.495 in. (114mm) long by
.920 in. (23mm) in diameter. Gooseneck lengths,
respective of model shall be; IM3: 3 in. (76mm),
IM6: 6 in. (152mm), IM10: 10 in (254mm), and the
IM12: 12 in. (305mm). The maximum head diameter shall be .540 in. (14mm). The microphone
body threading shall use the NPT standard of
1.660 in. (42.16mm) outer diameter 0.08696 in.
(2.20878mm) thread pitch. The microphone shall
be terminated with a male XLR-3 connector and
shall require 48V phantom power. The microphone shall be made of metal with choice of nish. The Earthworks IM3, IM6, IM10 or IM12 (in
black, white or silver) is specied.
High Denition Microphones™
for Fixed Installations
The Earthworks IM Series™ High Denition
Microphones™ provide astounding audio
quality for xed installations. The IM Series™
can be custom mounted in a ceiling, wall or
table and will provide the ultimate in sound
quality, exibility and ease of installation. The
IM microphone’s uniquely designed small
head and exible mini-gooseneck allow it to
be easily and precisely positioned. The IM
Series™ near-perfect polar response will not
beam or spotlight and will provide very high
intelligibility. The frequency response of both
the cardioid or hypercardioid at 90 degrees
o-axis is within 2dB of the on-axis response
(over its operating frequency range). This over-
all uniform frequency response of the hypercardioid is at least 5dB down at 90 degrees
o-axis. This exceptional polar response
allows the use of fewer microphones, while
obtaining higher intelligibility and more gain
before feedback.
Near-Perfect Polar Response
David Blackmer invented a number of new
microphone technologies resulting in a totally
new approach to microphone design. One
such technology resulted in the creation of
near-perfect polar patterns. When you look at
a polar pattern of an Earthworks microphone,
the mid-frequencies, high-frequencies and
low-frequencies all look very close to a “text-
book” polar pattern. In practice this means the
polar response of an Earthworks microphone is
extremely uniform over its operating frequency
range; the frequency response at 90 degrees
o-axis is very close to the on-axis response.
This uniform polar response results in less
phase problems and much higher intelligibility
at the sides of the microphone.
IM Series™ Installation Microphones
The IM Series™ provides a low prole, pristine sounding microphone solution for permanent installations. Featuring a at frequency
response and patented polar technology,
orators will maintain the same intelligibility
throughout the room without a reduction of
sound level or loss of high frequencies, while
obtaining more gain before feedback. The IM
Series™ installation microphones provide a
30Hz to 30kHz frequency response, near-perfect polar response with pristine audio in an
attractive low-prole package with options of
3, 6, 10 or 12 inch mini-goosenecks in black,
white or silver.
Specications & Dimensions are
on back of this page
Expertly Hand Made in the U.S.A.
Earthworks, Inc. • 37 Wilton Rd. • Milford, NH 03055 • Phone: (603) 654-2433, ext 114 • email: sales@earthworksaudio.com • earthworksaudio.com
IM Series
High Definition Installed Sound Microphones™
For Conference Rooms and other Fixed Sound Installations
IM3 Dimensions
(available in black, white or sliver)
IM6 Dimensions
(available in black, white or sliver)
Special Order Options include custom microphone colors and custom gooseneck lengths.
IM SERIES
SPECIFICATIONS
Frequency Response:
Polar Pattern:
Sensitivity:
Power requirements:
Max Acoustic Input:
Min. Output Load:
Dimensions:
30Hz to 30kHz ± 2dB @ 1 ft. (30cm)
Cardioid
10mV/Pa (-40dBV/Pa)
48V Phantom, 10mA
145dB SPL
Output:
XLR-3 (pin 2+)
600 ohms between pins 2 & 3
Noise:
22dB SPL (A weighted)
See drawings at right
Color:
Black, White or Silver
Weight:
0.28 lbs. (125g)
IM10 Dimensions
(available in black, white or sliver)
IM12 Dimensions
(available in black, white or sliver)
Specifications Subject to Change without Notice
Earthworks, Inc. • 37 Wilton Rd. • Milford, NH 03055 • Phone: (603) 654-2433, ext 114 • email: sales@earthworksaudio.com • earthworksaudio.com
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