Miniature High
M40
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 ceiling mounted M40 include Video Teleconferencing (VTC),
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 for the microphone 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
tile with no additional tools required. The cable assembly is equipped with terminal
block connectors. For installations where plenum rated cable is to be used a UL rated,
metal plenum junction box (JBM40) is available.
MODEL VARIATIONS
Output Ceiling Mic
M40W6
M40W6S
M40W12
M40W6 - White finish, cardioid capsule, 6” gooseneck
M40WHC6 - Same as above with hypercardioid capsule
M40W6S - Same as above with supercardioid capsule
M40W12 - White finish, cardioid capsule, 12” gooseneck
M40WHC12 - Same as above with hypercardioid
M40W12S - Same as above with supercardioid capsule
The above models are also available with black finish.
SUPPLIED ACCESSORIES
CONN170F - 1’ integrated mic cable with terminal block connector
CONN170M - The mating terminal connector is also provided for
easy solder-less connection
OPTIONAL ACCESSORIES
JBM40 - Metal plenum junction box with seismic and fire safety
cable restraint where required by code
FEATURES
· Optimized for voice recognition
· Immunity from RF interference
· Point and shoot directivity
· Integrated preamp circuitry
· 12 mm gold vapor diaphragm
· Extremely low noise, high sensitivity
· Designed, assembled & tested in the USA
· 3 year warranty
APPLICATIONS
· Video Teleconferencing (VTC)
· Distance Learning
· Surveillance
· Hospital and Medical Procedures
JBM40
· Ambient room mic
SPECIFICATIONS
Transducer Type
Frequency Response
Polar Pattern
Output Impedance
Sensitivity
Signal/Noise Ratio (A-weighted)
Equivalent Noise Level (A-weighted)
Maximum SPL @ .5% THD
Dynamic Range
Power Requirements
Connector
Polarity
Materials / Finish
Weight
Length
Condenser
60 Hz - 10 kHz
Cardioid
Hypercardiod
Supercardiod
150 ohms
37 mV / Pa @ 1k
72 dB
22 dB
≥130 dB
108 dB
18 - 52 V Phantom
3-pin XLRm
Positive pressure on diaphragm
produces positive voltage on
pin 2 relative to pin 3
Copper and Steel Powder Coat
0.7 oz / 20 g
2.1 in / 54 mm
FREQUENCY RESPONSE
ARCHITECT AND ENGINEER 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 preamplifier 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
165 mm or 310 mm in length. The microphone shall be the Audix M40.
OPERATION AND MAINTENANCE
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, use an external phantom
power source 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 or headphones.
Further miking techniques may be found at www.audixusa.com.
M40
DIMENSIONS (mm) EXPLODED VIEW
3-pin terminal
block connector
POLAR PATTERNS
Cardioid
PRODUCT REGISTRATION: Please register your product online at www.audixusa.com/docs_12/about/product_registration.shtml.
SERVICE AND WARRANTY:
workmanship, Audix will repair or replace said product at no charge with proof of purchase. Audix does not pay or reimburse shipping costs for warranty repairs or returns. The warranty excludes
any causes other than manufacturing defects, such as normal wear, abuse, environmental damage, shipping damage or failure to use or maintain the product per the supplied instructions. No
Implied Warranties: All implied warranties, including but not limited to implied warranties of merchantability and fitness for a particular purpose are hereby excluded. The liability of Audix, if any,
for damages relating to allegedly defective products shall be limited to the actual price paid by Dealer for such products and shall in no event include incidental or consequential damages of
any kind. Should your microphone fail in any way, please contact the Audix Service department at 503.682.6933. A Return Authorization is required before returning any product. OTHER THAN
THIS WARRANTY, AUDIX MAKES NO WARRANTIES, EXPRESS OR IMPLIED, WITH RESPEC T TO THE PRODUCTS, THE USE OF THE PRODUCTS, THE PERFORMANCE OF THE PRODUCTS. AUDIX SHALL
NOT BE LIABLE FOR SPECIAL INCIDENTAL, CONSEQUENTIAL, INDIRECT OR SIMILAR DAMAGES ARISING FROM OR BASED ON THE SALE, USE, STORAGE OR DISPOSAL OF THE PRODUC TS, AUDIX’S
SERVICE WORK, BREACH OF WARRANTY, BREACH OF CONTRACT. NEGLIGENCE, OR ANY OTHER THEORY OF LIABILITY, EVEN IF AUDIX HAS BEEN ADVISED OF THE POSSIBILIT Y OF SUCH DAMAGES.
Hypercardioid
This microphone is under warranty for a period of 3 years to be free of defects in material and workmanship. In the event of a product failure due to materials or
Shotgun
Slotted Mounting Nut
Brass strain relief for
outer cable
Plenum Cable Diameter
- Min. 0.1” (2.5 mm)
- Max 0.16” (4.0 mm)
JBM40 Plenum Rated Box
(100 x 100 x 40 mm)
M40W6
ALL SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE.
www.audixusa.com
Audix Corporation 9400 SW Barber St. Wilsonville, OR 97070
503.682.6933 Fax: 503.682.7114
ver 4.0 05-16
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