M40
Install Microphone
M40
OVERVIEW:
The M40 is a miniaturized condenser microphone with a fully integrated
preamp designed with very high sensitivity for distance miking. The primary
applications for the M40 include ceiling mounted video conferences,
distance learning, hospital rooms, surveillance, and ambient room miking.
The M40 has complete immunity from RF interference caused by cell
phones and GSM devices. The M40, which comes with a cardioid capsule,
is also available with hypercardioid or shotgun capsules, allowing the
microphone the ability to be used in a wide variety of applications.
The M40 is easy to install requiring only that a 5/8 inch hole be drilled in the
ceiling with no additional tools required. The cable assembly is equipped
with a Phoenix connector. For installations where plenum rated cable is to
be used, an optional nickel plated metal junction safety box is available.
SUPPLIED ACCESSORIES:
1' integrated mic cable terminating with phoenix connector (CONN170F).
The mating Phoenix connector (CONN170M) is also provided for easy
solder-less connection.
MINIATURE HIGH OUTPUT CEILING MIC
OPTIONAL ACCESSORIES:
JB-M40 - Metal Safety Junction Box to house connectors and plenum
rated cable where required by code.
MODEL VARIATIONS:
M40W6 - White finish, cardioid capsule, 6″ gooseneck
M40W12 - As above, 12″ gooseneck
M40WHC6 - White finish, hypercardioid capsule, 6″ gooseneck
M40WHC12 - As above, 12″ gooseneck
M40W6S - White finish, supercardioid capsule, 6″ gooseneck
M40W12S - As above, 12″ gooseneck
FEATURES:
High output for distance miking
Optimized for voice recognition
Immunity from RF interference
Operates on 18-52 volts phantom power
Point and shoot directivity
Miniaturized integrated preamp circuitry
No external power adapter needed
12 mm gold vapor diaphragm
Extremely low noise, high sensitivity
Available with a cardioid, hypercardioid, or
supercardioid capsule
Optional junction box available
APPLICATIONS:
Video Conferences
Distance Learning
Surveillance
Hospital and Medical Procedures
Ambient room miking
SPECIFICATIONS:
M40
Transducer Type Condenser
Frequency Response 60 Hz - 10 kHz
Polar Pattern Cardioid
Hypercardioid
Supercardioid
Output Impedance 150 ohms
Sensitivity 37 mV / Pa @ 1k
Signal/Noise Ratio (A-weighted) 72 dB
Equivalent Noise Level (A-weighted) 22 dB
Maximum SPL @ .5% THD ≥130 dB
Dynamic Range 108 dB
Power Requirements 18 - 52v phantom
Connector 3 pin mini-XLRm
Polarity Positive pressure on
diaphragm produces
positive voltage on pin
2 relative to pin 3
Housing / Finish Copper and Steel
Powder coat
Weight 0.7 ounces / 20 g
Length 2.1 inches / 54 mm
ARCHITECTS AND ENGINEERS SPECIFICATIONS:
The microphone shall be of the condenser type with a modular threaded capsule available in
cardioid, hypercardioid, and supercardioid polar patterns. The microphone shall be protected from RF
interference. The microphone shall have a fully integrated preamp circuitry thereby eliminating the need
for a remote preamplier module. The microphone shall operate on 18-52 Volts DC and the nominal
output impedance shall be equal to 150 ohms at 1 kHz. The microphone shall have a sensitivity of 37
mV / Pa at 1 kHz. The microphone shall have a maximum SPL level of ≥130 dB with THD of 0.5%. The
microphone shall be machined out of brass and the dimensions shall be 12 mm in diameter by 54 mm
in length. The microphone shall be the Audix M40.
OPERATION:
The M40 is a low impedance microphone and should be plugged into a “mic level” input on your console,
mixer, or recording device. The M40 requires phantom power and will NOT operate without phantom
power voltage (18-52 Volts) which is available on most professional mic preamps and mixing devices.
If phantom power is not available on your equipment, you will have to procure a phantom power supply
(such as the Audix APS2). Avoid plugging or unplugging the microphone into or out of the audio system
unless the channel is muted or the volume of the system turned down. Failure to do so may result in a
loud “popping” noise which could seriously damage the speakers in the sound system.
DIMENSIONS (MM):
EXPLODED VIEW:
SLOTTED
MOUNTING
NUT
MALE &
FEMALE
PHOENIX
CONNECTORS
FREQUENCY / POLARS:
Cardioid Hypercardioid
***All specications subject to change without notice.
SERVICE AND WARRANTY:
This microphone is under warranty for a period of 3 years from
any and all manufacturing defects. Should your microphone
fail in any way, please contact the Audix Service department
at 503-682-6933. A Return Authorization number is required
before returning any products.
CARE AND MAINTENANCE:
The M40 is manufactured to exacting specs with road worthy construction.
However, the capsule is highly sensitive and should be handled with care.
Moisture of any kind can adversely affect the sound and performance of your
microphone.
Shotgun
BRASS
STRAIN
RELIEF FOR
OUTER CABLE
www.audixusa.com
Audix Corporation 9400 SW Barber St. Wilsonville, OR 97070
503-682-6933 Fax: 503-682-7114
JBM40 PLENUM
RATED BOX
M40W6
ver. 1.1 - 2/12
AUDIX WARRANTY REGISTRATION FORM
Name:________________________________ Model:___________________
Company:_____________________________ Serial Number:_____________
Address:______________________________ Store:____________________
City:_________________________________ Store Location:_____________
Prov./State:___________ Zip:_____________ Purchase Date:_____________
Phone: ( )___________________________ Signature:_________________
Email:________________________________ Date:____________________
Please register your product online at www.audixusa.com or mail this form to:
Audix Microphones P.O. Box 4010 Wilsonville, OR 97070
Please Check all that apply:
Male Female
Age: Occupation: Primary Instruments: Product to be used for:
18 or Under Musician Vocal Pro live sound
19-25 Producer Guitar / Bass Pro recording
26-35 Sound Eng. Drums Home recording
36-45 Radio/TV Keyboard Rehearsal
46-55 Production Brass Installation
55 + Other _______ Woodwinds School
Strings House of Worship
How did you hear about Audix? Other ___________ Other ___________
Magazine Ad Online Ad
On-line Store Friend Do you own other Audix Products? Yes No
Salesman Other __________ Model(s) ________________________________
Have you visited the Audix website? Yes No
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