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Specifications: RS400i
System Type
Frequency Response (- 3 dB)
1
Low Frequency (-10 dB)
1
Max. Program Power
Max. Continuous Power RMS
2
Max. SPL dB @ 1 M
Sensitivity dB @ 1W/1M (2.83V)
3
Sensitivity dB @ 1W/1M
4
Impedance (nominal)
Coverage Angle (-6 dB @ 2 kHz)
Coverage Angle (-6 dB @ 10 kHz)
Directivity Factor (Q)
Directivity Index (DI)
Tap Selector
Transformer Taps
Transducer
Low-Frequency Driver
High-Frequency Driver
Low Frequency Voice Coil
Crossover Frequency
Network Type
Low Pass
High Pass
Enclosure Material
Grille Material
Inputs
Color Options
Diameter
Total Height
Weight
Shipping Weight
Accessories
Included
Optional
Packaging
4” coaxial, open-ceiling, ported (20 Watt transformer
for 25/70.7/100 Volt or voice coil/4 Ohm applications)
94 Hz - 22 kHz
72 Hz
40 Watts
20 Watts
98 dB
88 dB
85 dB
4 Ohm
100º
73º
3.04 (Averaged 100 Hz - 10 kHz); 4.7 @ 2 kHz
4.1 dB (Averaged 100 Hz - 10 kHz); 6.8 dB @ 2 kHz
Weather-proof 5-position tap switch w/ voice coil/4 Ohm direct
1 x 102 mm (4 in) Polypropylene cone, butyl rubber surround
25 mm (1 in) Convex aluminum tweeter with waveguide
25 mm (1 in)
2.27 kHz
12 dB per octave, 2nd order
12 dB per octave, 2nd order
Injection molded ABS
Iridite-plated steel with powder-coat finish
4 Pin, 5 mm Euroblock for individual or daisy chain connection
Black, white or custom colors available
197 mm / 7.7 in
229 mm / 9.0 in
1.8 kG / 3.9 lbs
3.2 kG / 7.1 lbs
Hanging hardware, Euroblock connector & terminal weather boot
Surface-mount bracket (AC-RS-SM5)
1 Per box
©2006 SoundTube Entertainment, Inc. All rights reserved. PN TS-CM600 REV11.13.06
Key Features
• BroadBeam
®
waveguide technology
delivers a consistent dispersion pattern
up to 10 kHz for maximum coverage
area per speaker (EASE
™
documented).
• One 102 mm (4 in) polypropylene
woofer and one 25 mm (1 in) convex alu
-
minum tweeter with FerroFluid cooling.
• Weatherized components for indoor &
outdoor applications.
• Includes hanging hardware with aircraft
cables and integrated SpeedClamp
™
self-locking wire grip for fast, easy &
secure installation. Also includes Euro-
block connector & terminal weather
boot.
• Patented ZeroReflection
™
enclosure
technology for optimal sound reproduc
-
tion & cabinet rigidity.
• Easy access 5-position selectable tap
switch for 25, 70.7 and 100 Volt applica
-
tions with voice coil/4 Ohm direct sim
-
plifies ordering & inventory tracking.
• Iridite-plated steel grille with protective
powder-coated finish for lasting durability.
• High-quality black or white paint finish.
Custom paint colors optional.
• Optional surface-mount bracket.
Description
The RS400 is a 4” coaxial, ported speaker
with an open-ceiling enclosure design.
Hanging hardware is included & fea
-
tures a SpeedClamp
™
self-locking wire
grip for fast, easy & secure installation.
SoundTube’s custom-engineered driver
and electro-acoustic network delivers
high-performance sound in a cost-effective
speaker design. The RS400i speaker incorpo
-
rates a low-profile grille and a 5-position tap
switch with voice coil/4 Ohm direct.
Applications
Designed for indoor & outdoor back-
ground to mid-level SPL applications, the
RS400i includes a single-point mounting
system for rapid open-ceiling installations.
Cost-effective engineering with high-per
-
formance sound makes the RS400i speaker
ideal for music & paging applications in
retail, grocery stores, restaurants, hotels,
casinos, museums, trade shows & confer
-
ence rooms. For applications where addi
-
tional bass is required, SoundTube’s RS801i
8” subwoofer provides bass down to 40 Hz.
RS400i
Open-Celling Speaker
Technical Information for System Engineers
70.7 V Output 100 V Output 25 V Output
20w 98w 20w 98w 3w 89w
10w 95w 10w 95w 1w 86w
5w 92w 5w 92w 0.63w 83w
3w 89w 0.31w 80w
1
Frequency response is measured in full space.
2
Continuous power rating, EIA-426-B test.
3
Average over published frequency response range.
4
1w1m sensitivity based on voltage required to yield 1w based on the minimum system impedance.
SoundTube continually develops new product innovations and improvements. Updates to existing
products without prior notice are an example of SoundTube’s drive for constant improvement.