In-Wall Speaker
IW500b
Technical Information for System Engineers
Key Features
• BroadBeam® waveguide technology deliv-
ers a consistent dispersion pattern up to
10 kHz for maximum coverage area per
speaker (EASE™ documented).
• One 133 mm (5.25 in) polypropylene
woofer and one 25 mm (1 in) convex alu-
minum tweeter with FerroFluid cooling
mounted to an M5 Motorboard.
• 106.5 dB Max. SPL offers high output capa-
bilities and reduced amplification costs.
Specifications: IW500b
• Rapid installation blind-mount system for
quick and secure installation.
System Type
5.25" Coax, in wall, sealed (32 Watt transformer for
25/70.7/100 Volt or 8 Ohm direct)
8 ohm
87.5 dB
87.5 dB
140 Hz - 22 kHz
69 Hz - 22 kHz
150w
75w
106.5 dB
Impedance (nominal) 1
Sensitivity dB @ 2.83V/1M
Sensitivity dB @ 1W/1M 2
Frequency Response (- 3 dB) 3
Frequency Response (-10 dB) 3
Max. Program Power 4
Max. Continuous Power RMS 5
Max. Power SPL @ 1 M 6
• Easy-access 6-position tap switch for 25,
70.7 & 100 Volt applications with voice
coil/8 Ohm direct simplifies ordering &
inventory tracking.
• Integrated UL-listed steel enclosure with
conduit connections.
• Included accessories: Mounting hardware,
paint mask, hole template and conduit
connector.
Coverage Angle (-6 dB @ 2 kHz)
Coverage Angle (-6 dB @ 10 kHz) 70º horizontal / 85º vertical
Coverage Angle (Avg. from 2 to 10 kHz) 115º horizontal / 115º vertical
90º horizontal / 100º vertical
• Optional accessory: Pre-construction
bracket (AC-IW5-PCB).
Directivity Factor (Q)
Directivity Index (DI) dB
Tap Selector
Transducer - Low Frequency Driver 1 x 133 mm (5.25 in) Polypropylene cone, butyl rubber surround
Transducer - High Frequency Driver 25mm (1in) Convex aluminum tweeter with waveguide
4.9 (Avg. 100 Hz - 10 kHz) / 8.3 ( 2 kHz)
6.0dB (Avg. 100 Hz - 10kHz) /9.2dB (2 kHz)
6-Position rotary switch with 8 ohm direct
• High-quality white paint finish. Custom
paint colors optional.
Low Frequency Voice Coil
Crossover Frequency
Network Type: Low Pass
Network Type: High Pass
Motor-board
Grille
Inputs
Colors
Height
Width
25.4 mm / 1.00 in
3.0 kHz
Description
12 dB per octave, 2nd order
12 dB per octave, 2nd order
Cast aluminum
Iridite-plated steel with powder-coat finish
Wire leads
White (only), Paintable
11.84 in / 300.7 mm
8.64 in / 219.5 mm
3.90 in / 99.1 mm
The IW500b is a 5.25” coax in-wall loud-
speaker that delivers effective low-end
response (69 Hz, -10 dB) and optimal off-
axis performance (up to 10 kHz, EASE™
documented). SoundTube’s proprietary
BroadBeam® waveguide tweeter system
delivers consistent high-performance
audio across the operating bandwidth.
The IW500b speaker design incorporates
a low-profile grille and 6-position tap
switch with an 8 Ohm bypass. Mounting
hardware is included and features a fast
and secure optimally engineered constant-
tension mounting system and an inte-
grated backcan for maximum efficiency
and applications where UL approval is
required. A pre-construction bracket is
offered as an optional accessory.
Depth
Weight
Shipping Weight
Included Accessories
8.9 lb / 4.0 kg
11.0 lb / 5.0 kg
1 UL listed 1/2" conduit connector, 2 wire nuts, paint
mask, hole template
Preconstruction bracket (AC-IW-PCB)
1 per box
Backcan listed to UL1480
Approved
Optional Accessories
Packaging
Regulatory - UL
Regulatory - CE
1
Impedance listed per IEC 60268-5 with
a minimum less than 80% the nominal
impedance
Transformers
70.7 V Output
33 w 102.5 dB
17 w 100.0 dB
100 V Output
25 V Output
5 w 94.5 dB
2
3
1w1m sensitivity determined using
nominal impedance
33 w 102.5 dB
17 w 100.0 dB
9 w 97.0 dB
6 w 95.5 dB
2.5 w 91.5 dB
1.3 w 88.5 dB
0.63 w 85.5 dB
Frequency response measured in half
or full space as dictated by speaker
mounting configuration
9 w
6 w
3 w
97.0 dB
95.5 dB
92.5 dB
Applications
4
Max program power is 3 dB above max
continuous power
Designed for in-wall applications, the
IW500b is ideal for music and messaging
in boardroom, church, corporate A/V and
education applications. For additional
bass response down to 41 Hz (-10 dB), the
CM1001d subwoofer may be used.
5
6
7
Continuous power rating, EIA-426-B test
Max output based on max continuous power
Max useable SPL based on testing
by NWAA Labs
© 2008 SoundTube Entertainment. All rights reserved. PN-TS-CMEZ REV 11.04.08
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In-Wall Speaker
IW500b
Technical Information for System Engineers
Horizontal Beamwidth
180
150
120
90
60
30
-3dB
-6dB
-9dB
0
Hertz
Vertical Beamwidth
180
150
120
90
60
30
0
-3dB
-6dB
-9dB
Hertz
Directivity Index (DI)
20
15
10
5
0
-5
-10
Hertz
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In-Wall Speaker
IW500b
Technical Information for System Engineers
Horizontal
Vertical
Polar Plots
250 Hz
500 Hz
1,000 Hz
125 Hz
0
0
0
0
0
0
0
0
330
30
330
30
330
30
330
30
-6
-12
-18
-24
-30
-36
-6
-12
-18
-24
-30
-36
-6
-12
-18
-24
-30
-36
-6
-12
-18
-24
-30
-36
300
60
300
60
300
60
300
60
270
90
270
90
270
90
270
90
240
120
240
120
240
120
240
120
210
150
210
150
210
150
210
150
180
180
180
180
4,000 Hz
330
8,000 Hz
330
10,000 Hz
330
2,000 Hz
330
0
0
0
0
0
0
0
0
30
30
30
30
-6
-12
-18
-24
-30
-36
-6
-12
-18
-24
-30
-36
-6
-12
-18
-24
-30
-36
-6
-12
300
60
300
60
300
60
300
60
-18
-24
-30
-36
270
90
270
90
270
90
270
90
240
120
240
120
240
120
240
120
210
150
210
150
210
150
210
150
180
180
180
180
™
™
Technical data, EASE plots, SoundTubeSPEC software & product downloads available at www.soundtube.com
Mechanical Drawings
Side
Front
Top
219.5 mm
(8.64 in)
300.95 mm
(11.85 in)
300.7 mm
(11.84 in)
99.1 mm
(3.90 in)
200.05 mm
(8.66 in)
Optional Accessories - Pre-Construction Bracket
Included Accessories
N/A
SoundTube Entertainment manufactures a complete line of speakers for:
Open-Ceiling • In-Ceiling • Surface-Mount • Outdoor • Sound-Focusing
All SoundTube products are designed and engineered in the USA.
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