Thank you for choosing the MXL R40 Ribbon microphone. With proper care,
this mic will provide many years of satisfaction. To get the best results,
please take a few moments to read this manual.
Enjoy your microphone!
The MXL Team
General Characteristics
The MXL R40 Ribbon microphone uses an aluminum ribbon transducer
which by nature is a bidirectional (figure-8) pickup pattern. A figure-8
pattern will pick up sounds from the front and back sides of the
microphone with equal sensitivity while maintaining a large amount of
rejection 90° off access. The front of the microphone is indicated by the
MXL logo where the audio signal is “in-phase” while the back side has an
inverted phase. Ribbon mics typically have a lower output than condenser
microphones and may require a preamplifier with a lot of gain. It is highly
recommended to use a preamp with low noise, high gain, and an input
impedance of 1500 ohms or greater. We strongly advise experimentation
with placement and isolation requirements with the gain initially set low to
avoid possible equipment (and hearing) damage.
Contents
Unpack your MXL R40 microphone carefully and verify that all of the
following items are included:
•MXL R40 microphone
•Shock mount
•Microfiber cleaning cloth
If any of these items are missing or damaged, contact the company from
which you purchased the microphone.
Power Requirement
IMPORTANT! This microphone does NOT require a power supply. Use of
phantom power with this microphone is NOT recommended as it can
severely damage the ribbon element and cause the microphone to be
unusable.
Microphone Cable
The microphone cable can have a profound effect on the sound of
any microphone. Even the finest microphone will sound poor if the
interconnect cable allows noise to enter or causes distortion and loss of
information. We recommend that you use the best microphone cable that
your budget will allow.
Care
The ribbon element is very fragile. Although each unit has been thoroughly
checked by MXL, it is important to check the microphone as soon as you
receive it to insure that it was not damaged in shipping. To help prevent
transducer failure, avoid large vibrations and severe shock such as
Specifications
Type Ribbon Velocity Microphone
Ribbon Element 1.8-micron aluminum ribbon
Ribbon Length 47 mm
Frequency Response 20Hz -17kHz
Polar Pattern Figure 8
Impedance 250 ohms
Sensitivity -56 dB (0 dB=1V/Pa)
Rated Load Impedance >1500 Ohms
Max SPL for 0.5% THD >130 dB @1 kHz
Size 47mm x 171mm/1.85 in. x 6.75 in.
Weight 400g/0.85 lbs
Metal Finish Blue body with nickel grill
Polar PatternFrequency Chart
dropping the microphone. Never expose the microphone to large bursts of
air as it can stretch or tear the ribbon element. It is highly recommended
to use a pop-filter when using this microphone. Dust and foreign material
(especially metal shavings) can degrade the performance of a microphone
so always store the unit in its case. Never intentionally or accidentally
apply power to the microphone as it can permanently damage the
ribbon element. Please note: Damage to the ribbon is not covered by the
warranty, and there will be a charge for a replacement.
Shock Mount
The MXL shock mount can shift in shipment. Simply shift the nylon bands
to center the microphone in the assembly. Be sure that the wire clamp
does not rest on the chassis of the mount, as this impairs mechanical
isolation. Slide the mount all the way to the rim of the microphone for the
most secure hold.
Warranty
Marshall microphones are guaranteed against defects in material and workmanship for one
year from date of purchase. The ribbon element is not covered by the normal warranty so
please check the microphone immediately upon receipt. Should you encounter any problem
with this unit, promptly contact the company you purchased it from within five days of
purchase for assistance. Contact Marshall directly for a quote to repair a damaged ribbon.
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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