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SM86
CARDIOID CONDENSER MICROPHONE
The Shure SM86 is a unidirectional (cardioid) condenser vocal
microphone for professional use in live performance. An extremely
rugged microphone, the SM86 withstands the rigors of touring
while delivering studio-quality sound. The tailored frequency
response of the SM86 reproduces vocals with clarity. A cardioid
pickup pattern isolates the main sound source while minimizing
unwanted background noise. The built-in three-point shock mount
minimizes handling noise, and a two-stage pop filter reduces wind
and breath “pop” noise. The SM86 is an excellent selection for use
with both stage monitors and personal in-ear monitors.
Features:
• Condenser cartridge for studio quality sound
• Tailored frequency response for a clear reproduction of vocals
• Rugged construction withstands the rigors of touring sound
• Cardioid polar pattern minimizes unwanted background noise
• Excellent choice for stage monitors and personal in-ear
monitors
• Built-in three-point shock mount minimizes handling noise
• Two-stage “pop” filter reduces wind and breath noise
PROXIMITY EFFECT
Unidirectional microphones, like the SM86, progressively boost
bass frequencies up to 15 dB as the microphone gets closer to the
sound source. This phenomenon, known as proximity effect, can
be used to create a warmer, more powerful sound. To prevent
excessive or “boomy” low frequency sound during close-up use,
the SM86 bass response gradually rolls off. This provides greater
control and helps the user take advantage of proximity effect.
APPLICATIONS AND PLACEMENT
The SM86 is ideal for close-up vocals and can be held in the hand
or mounted on a stand. Some of the most common applications and
placement techniques are listed in the following table. Keep in mind
that microphone technique is largely a matter of personal
taste—there is no one “correct” microphone position.
SUGGESTED MICROPHONE
PLACEMENT
TONE QUALITY
Lips less than 15 cm (6 in.) away or
touching the windscreen, on axis to
microphone.
Robust sound, emphasized
bass, maximum isolation from
other sources.
15 to 60 cm (6 in. to 2 ft.) away from
mouth, just above nose height.
Reduced bass.
More than 60 cm (2 ft.) away. Thinner, more distant sound;
noticeable levels of ambient
noise.
STAGE MONITOR & P.A. LOUDSPEAKER PLACEMENT
Place the stage monitor directly behind the microphone (see
Figure 1). Locate the P.A. loudspeakers so that they point away
from the rear of the microphone. With the speakers located in these
positions, the possibility of feedback is greatly reduced. Always
check the stage setup before a performance to ensure optimum
placement of microphone and monitors.
180°
90°
0°
90°
STAGE
MONITOR
P.A.
LOUDSPEAKERS
MICROPHONE
SOUND
SOURCE
CARDIOID MICROPHONE POSITIONING
FIGURE 1
GENERAL RULES FOR MICROPHONE USE
1. Aim the microphone toward the desired sound source and
away from unwanted sources.
2. Locate the microphone as close as practical to the desired
sound source.
3. Work close to the microphone for extra bass response.
4. Use only one microphone per sound source.
5. Locate microphones at least three times as far from other
microphones as from the sound source.
6. Use as few microphones as practical.
7. Place microphones far from sound-reflecting surfaces.
8. Add a windscreen when using the microphone outdoors.
9. Avoid excessive handling to minimize mechanical noise.
Model SM86 User Guide
27A3143 (Rev. 1)
2004, Shure Incorporated
Printed in U.S.A.