LR44 BATTERY
BATTERY HOLDER
BARREL CASE
POWER SWITCH
3,5mm STEREO MINI-PLUG
Thank you for purchasing the Azden SMX-20 Electret Condenser Stereo Microphone.
Before using the product, please read this operating manual thoroughly. Keep this
manual along with the warranty card for future reference.
WARNING
Do not use other batteries than the one specified in this manual.
When installing battery, make sure battery polarity is correct as marked inside
the battery compart-ment.
Remove the battery if the product is not used for a long period of time.
BATTERY
The SMX-20 is powered by 1 "LR44" button battery (not included). Unscrew the lower
half of the barrel case by turning it counterclockwise. Remove the battery holder from
the battery compartment and install 1 fresh "LR44" Alkaline battery into the holder,
making sure to check polarity, put back the holder to its place, and close the case by
turning it clockwise. DO NOTOVERTIGHTEN or you may strip the threads.
POWER SWITCH
The SMX-20 has a 2-position power switch near the output jack.
OFF: Switch the microphone to OFF when not in use to conserve battery life. Set the
switch to the OFF position when using plug-in power from camera.
ON: Switch the microphone to ON for operation by battery power.
SHOCK-MOUNT HOLDER
The SMX-20 is supplied with a shock-mount holder. Snap the rear portion of the
microphone into the holder. To secure the holder to a camera shoe, slide the holder
into the camera shoe and tighten the thumbwheel by turning it clockwise.
3.5mm STEREO OUTPUT MINI-PLUG
Insert the plug into the camera's "STEREO EXT. MIC" jack.
SPECIFICATIONS
Type:
Frequency Response:
Sensitivity:
Impedance:
Maximum SPL Input Level:
Signal to Noise Ratio:
Battery Type:
Battery Life:
Weight with Battery:
Dimensions:
Output Type:
Supplied Accessories:
Electret condenser stereo microphone
100−20kHz
Uni-directional; -40dB at 1kHz (1V/Pa)
1.5kΩ at 1kHz
100dB SPL (1kHz at 1% T.H.D.)
60dB (1kHz at 1Pa)
LR44 Alkaline battery
Approx. 150 hours
72g/2.54oz
21mm diameter/121mm length
0.827”diameter / 4 3/4”length
3.5mm mini-jack
Shock-mount microphone holder
Windscreen
Output cable
FREQUENCY RESPONES POLAR PATTERN
* Due to constant improvements, specifications are subject to change without notice.
-80
-75
-70
-65
-60
-55
-50
-45
-40
-35
-30
20 50 100 200 500 1k 2k 5k 10k 20k
0゜
0゜
90゜
270゜
0.50.5
180゜
0.5
0.5
1kHz
R ch
0゜
90゜
270゜
0.50.5
180゜
0.5
0.5
1kHz
L ch
