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WARNING / PRECAUTIONS
The active element of your microphone is a very thin corrugated
aluminum ribbon clamped under light tension and mounted
between the poles of a strong magnet. This design enables it to
produce warmest, most natural sound available from any type of
studio microphone. However, it also makes this the most sensitive
and fragile studio microphone available. All ribbon microphones
require special care or they will be seriously damaged. In order
to ensure long life for your RSM-4 please always follow these 4
precautions:
1. Always protect your RSM-4 from any hard knocks, such as
from dropping the mic, or not properly padding in shipment, as
such jolts can destroy the ribbon assembly. Always handled with
complete care.
2. Prevent any sudden or strong blasts of air movement from
ever reaching your microphone, as they can tear and destroy the
fragile ribbon. Never blow into your RSM-4! When using, always
utilize a pop filter, such as the optional Nady MPF-6, to prevent
USING THE OPTIONAL MPF-6 POP FILTER
The optional MPF-6 pop filter should always also be used
with your RSM-4. This pop filter should be placed between the
sound source and the microphone to prevent percussive sound
blasts and air movement from damaging the very fragile ribbon
SERVICE
(U.S.) Should your Nady microphone require service, please contact the Nady Service Department via telephone at (510) 652- 2411
or e-mail at service@nady.com. (INTERNATIONAL) For service, please contact the Nady distributor in your country through the dealer
from whom you purchased this product.
Date of purchase _____________________________________________________________________________________________
Dealer's Name_______________________________________________________________________________________________
Street ______________________________________________________________________________________________________
City ____________________________________ State _____________________ Zip _____________________________________
Do not attempt to service this unit yourself as it will void your warranty. Please note that due to the extremely delicate nature of
ribbon mics, which can easily be damaged by misuse and mishandling (as noted under Warning / Precautions section above), the
ribbon assembly of the RSM-4 is not covered under warranty. Check your unit carefully upon receipt and return to place of purchase
immediately if there are any problems with the mic. After that, the standard Nady warranty will only apply to defects in materials and
workmanship other than the ribbon assembly. It these are damaged, please contact the Nady Service Department for a quote for
replacement of the ribbon assembly.
SPECIFICATIONS
Type: Large Ribbon Geometry (LRG) Ribbon (Velocity) Micro-
phone
Ribbon type & dimensions: Pure aluminum, 6 microns thick,
45mm X 5mm (L X W)
Polar pattern: Figure 8
Sensitivity: -55dB(0dB=1V/Pa)
Frequency response: 30 to 18,000Hz (+/- 3dB)
Impedance: <= 200 Ohms
Recommended load impedance: 1000 Ohms
Max. SPL (1% THD @1000Hz): 165 dB
any percussive sounds from damaging the ribbon. Such filters also
prevent damage from moisture from mouth spray.
3. Never intentionally or accidentally apply any phantom power
from your mixer or a phantom power supply to your RSM-4 as
it can burn up the ribbon. Please always check carefully before
connecting your ribbon mic that there is no phantom power being
provided to the RSM-4.
4. When not in use, always keep the microphone in the padded
gift box provided. Also, always store the mic in a vertical position
because, over time, the 2" long ribbons can sag, gradually
degrading performance if the mic is stored on its side. Note the
gift box should be placed on its bottom end so that the mic is in an
upright position when storing.
Note: damaged ribbons are not covered by warranty and there will
be a charge to replace the element.
assembly of the RSM-4. It is also useful in keeping mouth spray
out of the microphone, which can also degrade or destroy the
delicate ribbon.
Equivalent noise level to IEC 268-4(A weighted): 18 dB
S/N ratio re 1Pa: 70 dB
Size: Diameter: 3" (76 mm), length 6.5" (165 mm),
thickness .8" (22 mm)
Net weight: 12 oz (794 g)
Specifications and design subject to change for improvement pur-
poses without prior notice.
03/15/07
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