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MXL 990 Stereo
Manual
1910 East Maple Ave.
El Segundo, CA 90245
http://www.mxlmics.com
Marshall Electronics
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Thank you for purchasing the MXL 990 Stereo studio-record-
ing microphone. MXL microphones are the result of world-class
engineering and manufacturing capabilities. They are designed to
provide you with outstanding performance and exceptional value.
With proper care, this mic will provide many years of satisfaction.
For best results, please take a few moments to review this literature.
General Characteristics
This microphone has two 20 mm gold diaphragm capsules in an
X/Y pattern for stereo recording. The capsule behind the “L” is
more sensitive to sound waves arriving from the left side of the
microphone as opposed to those arriving from the right side. The
capsule behind the “R” is just the opposite. To achieve true stereo
sound, each channel must be panned to its respective left or right
side.
Power Requirements
IMPORTANT – This microphone requires phantom power at 48
volts, +/- 4 volts. Phantom power must be supplied to both XLR
connectors on the split end of the cable (red and white shrink tube)
in order for the microphone to work. The microphone will not
function properly if phantom power is supplied to only one side of
the cable. Each unit has been thoroughly checked before shipping,
so if you hear no sound, check that the phantom power on your
preamp, mixer or seperate power supply is switched on to both
channels!
Isolation Mount
An OPTIONAL MXL-90 shock mount can be purchased for this
microphone. It is a high isolation shock mount used to reduce
rumble and other unwanted vibrations transmitted through the mic
stand. Contact your local MXL dealer for purchasing information.
www.mxlmics.com
www.mxlmics.com
Microphone Cables
A special 10 foot cable is included with the microphone. This
cable has a 5 pin connection on one end and two XLR connections on the other and is required for stereo microphones.
The left channel is designated by a white shrink tube while
the right channel is designated by a red shrink tube. The
microphone cable can have a profound effect on the sound
of any microphone. Even the nest microphones will sound
poor if the interconnection cable allows noise to enter, or
causes distortion and loss of information.
Care
Dust and foreign material can degrade the performance of a
microphone over time so always store the unit in its case. For
vocals closer than 3”, use a “popper stopper” or a foam windscreen to avoid getting moisture on the diaphragm as this can
substantially degrade the microphone’s performance. Store
the microphone in its original packaging, or the included zipper pouch.
Warranty
Marshall microphones are guaranteed against defects in material and workmanship for one year from date of purchase.
Should you encounter any problem with this unit, promptly
contact the company you purchased it from for assistance.
The original dated sales receipt will be necessary for any
warranty claim. Do not send any unit directly to us without
prior authorization from our service department! Warranty
coverage is limited to repair or replacement (at our option) of
the microphone, and does not cover incidental damages due
to use of this unit, nor damage caused by accidental misuse of
this product.
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Marshall Electronics
1910 East Maple Ave.
El Segundo, CA 90245
http://www.mxlmics.com
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