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RE90L U
,
LTRAMINIATURE
O
L
M
MNIDIRECTIONAL
APEL
Hearing is believing (you have to look closely to see it).
Ultraminiature and ultralightweight, anyone wearing
the RE90L can easily forget he or she is wired. Designed
for sound reinforcement in applications such as houses
of worship, schools and business presentations, this
smallest, lightest of all microphones on the market, has
the highest quality sound characteristics. It is well-
balanced throughout its full range. Omnidirectional
output is uniform and natural, no matter where the
microphone is placed.
The compact electronics housing is made of a high-
strength polycarbonate that is very lightweight but very
durable. A side clip attaches the unit to belt, waistband
or pocket.
• Ultraminiature and lightweight (the smallest available).
• Omnidirectional.
• Tiny but sturdy 6-foot shielded cable.
• Alligator and tie-tac clips included.
• Lightweight, clip-on electronics pack.
10 dB
AVERAGE RESPONSE
20 30
50
100
200
500
1000
2000
FREQUENCY IN HERTZ
RE90B/RE90BW B
With the lowest profile of any boundary microphone,
the RE90B/RE90BW is one of the smallest available.
Unidirectional, it picks up every word and delivers it
fully and naturally, without the distraction of ambient
noise.
The RE90B is specifically designed for surface-mounted
applications such as distance learning centers, video- or
ICROPHONE
teleconferencing systems, classrooms, and houses of
worship. It can be placed on a surface for temporary
use, routing its miniature cable from the rear where it's
barely visible. Or installed permanently, with the hid-
den cable routed through a hole in the surface.
The microphone is equipped with internal padding,
printed circuit board, fiber washers for the mounting
screws, and a rubber, non-slip pad covering the entire
base. These elements combine to give you the advan-
tage of extremely low surface-to-microphone vibration.
And built-in equalization provides a fuller, more natur-
al sound than other typical boundary microphones.
• Nonreflecting black (RE90B)or low gloss white (RE90BW)
• Heavy-duty zinc die-cast body and strong, perforated steel
screen.
• Low profile.
• Half-cardioid polar response promotes excellent gain-
before-feedback.
• Built-in electronic equalization compensates for baffle
effect.
• High gain electronics for greater reach.
• Fixed or portable.
• Miniature 6-foot cable, two-way cable routing, and tamper-
resistant terminal block connection.
• Full-base, non-slip shock pad.
• Electrically isolated case.
0
330
30
300
60
270
90
10 dB
120
240
210
150
180
500 Hz
1000 Hz
0
330
30
300
60
5000 10,000 20,000
270
90
240
120
150
210
180
5000 Hz
10,000 Hz
M
OUNDARY
AVERAGE RESPONSE
20 30
50
100
200
500
1000
2000
5000 10,000 20,000
FREQUENCY IN HERTZ
ICROPHONE
0
330
30
300
60
270
90
240
120
210
150
180
5000 Hz
10,000 Hz
0
330
30
300
60
270
90
120
240
210
150
180
500 Hz
1000 Hz
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