In
contrast, directional cardioid mics are specificafly designed to accept mostly
signal coming from directly
in
front, and
-to
reject signal coming from behind or
from the side. The cardioid pattern
is
utilized by the
R21
(as shown
in
the illustra-
tion below). For this reason, the
R21
excels
in
environments where there is a
good deal of unwanted ambient
sound-it
delivers those signals originating
directly
in
front of the mic capsule itself while rejecting those that originate from
behind.
The polar pattern also determines how prone a particular mic
is
to inducing feed-
back. Feedback
is
that characteristic nasty howling sound that occurs when a mic
is
placed too close to a
loudspeaker-the
signal from the loudspeaker
is
fed into
the mic, then into the loudspeaker, then into the mic, over and over again until an
oscillating tone is generated. Because the cardioid pattern utilized by the
R21
is
so good at rejecting signal not coming from directly
in
front of the mic, you'll find
that use of the
R21
greatly minimizes feedback problems.
250Hz
-
500Hz
................
.
1000Hz---
R21
Specifications
Type
Frequency Response
Polar Pattern
Output Impedance
Sensitivity
Connector
Dimensions
Weight
Head length
Main unit length
Total length
180
2
2000Hz
4000Hz
8000Hz
R21 Polar Pattern
Dynamic
80Hz-12kHz
Cardioid
Rated at
soon
-53 dBVIpa (1.8 mvlpa)
3-pin gold plated balanced XLR male
2.125 in.
I 53.97 mm
4.56 in.
I 115.88 mm
6.85 in.
I 169.8 mm
7 oz.
I 217 g
Samson Technologies Corp. • 575 Underhill Blvd. •
P.O.
Box 9031 • Syosset, NY 11791-9031
Phone: 1-800-3-SAMSON (1-800-372-6766) • Fax: 516-364-3888
t
~
service@samsontech.com • www.samsontech.com
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General
Weight and Dimensions
