TOA SR
TYPE S SERIES LINE ARRAY SPEAKER SYSTEM
SR-S4L/SR-S4LWP
SR-S4S/SR-S4SWP
Photo: SR-S4LWP
Photo: SR-S4S
DESCRIPTION
FEATURES
TOA Type S Series Line Array Speakers provide optimal
coverage and dispersion characteristics. Available in slim,
tower-configured enclosures, these speakers also feature a
wide range of mounting accessories to enable permanent
installation in various venues.
● Versatile configuration possibilities
Flexible speaker configurations can be combined to achieve
a precision sound array with optimal response for both
sound coverage and dispersion over the targeted listening
area, near and distant. The result is minimal sound level
differences whether the listener is close or distant from
speakers.
The SR-S4L and SR-S4S speakers are 2-way line array
speakers that are vertically configured. Each configuration
contains 32 speaker elements composed of eight 10cm
woofers and 24 high frequency drivers which are positioned
close together to create a continuous linear sound source. The
speaker output therefore maintains a uniform sound pressure
level that resists attenuation with distance. The SR-S4L
speaker features a linear design tailored for distance sound
transmission applications and the SR-S4S features a gently
curved line designed for a 10° vertical coverage area which
offers ideal sound coverage over a shorter distance.
Line Array Speaker
Standard Speaker
● Suits difficult environments
Type S Series speaker enclosures are designed to minimize
floor- and ceiling reflections to maximize sound clarity in
problematic environments that are reverberant.
● High resistance to feedback
Because output levels do not become excessively high right
close to the speakers, they are able to resist feedback to a
high degree. Gain levels for a system are therefore easier to
set.
● Single or biamp operation
Type S Series speakers can be driven with a single amplifer
or biamped as required (simple internal wiring change). For
improved performance an external DSP can be used to set
crossover frequencies and slopes.
● Multiple speaker connectivity
Using optional TOA MT-SO601 matching transformers
allows use in high impedance applications.
● Heavy-duty use
Type S Series speakers are designed to satisfy the rigorous
demands of permanent installations that are used
extensively.
SR-S4L/SR-S4LWP
CHARACTERISTIC DIAGRAMS
SR-S4L Frequency Response (when using DP-0206 option)
Beamwidth vs. Frequency (when using DP-0206 option)
[dB]
110
[deg]
100
200
90
80
100
70
60
20
50
50
100
500
1k
5k
10k
Frequency — SPL
20k
[Hz]
SR-S4LWP Frequency Response (when using DP-0206 option)
[dB]
110
10
100
5
90
80
70
60
20
50
100
500
1k
5k
10k
Frequency — SPL
Polar Response
0°
330°
30°
330°
0
0
–10
–10
60°
300°
–20
300°
–20
–30
–30
–40
–40
270°
90°
–10
60°
300°
–20
–30
–40
–40
270°
–40
–30
–30
–20
120°
240°
0
150°
250Hz
200Hz
160Hz
150°
210°
500Hz
400Hz
315Hz
180°
330°
30°
210°
150°
250Hz
200Hz
160Hz
180°
30°
330°
330°
30°
0
0
0
–10
–10
–10
60°
300°
–20
90°
150°
1000Hz
800Hz
630Hz
0
150°
210°
2000Hz
1600Hz
1250Hz
30°
0
210°
150°
1000Hz
800Hz
630Hz
30°
0
330°
30°
330°
0
0
0
0
–10
–10
–10
60°
300°
60°
300°
–20
–40
90°
150°
210°
4000Hz
3150Hz
2500Hz
0
180°
210°
150°
8000Hz
6300Hz
5000Hz
0
210°
150°
4000Hz
3150Hz
2500Hz
180°
330°
30°
330°
0
0
–10
–10
Vertical
300°
60°
300°
–20
–30
–30
–40
Horizontal
–40
270°
90°
270°
90°
–40
–40
–30
–30
–20
240°
–20
120°
–10
–10
0
0
180°
210°
150°
16000Hzl
12500Hz
10000Hz
180°
240°
–10
0°
–20
–20
120°
240°
–10
0°
30°
–30
–20
120°
240°
–10
180°
–40
–30
–20
120°
–10
0
–40
–30
–30
270°
90°
–40
240°
–40
270°
90°
–40
–20
–30
270°
270°
300°
–20
–30
–40
–40
90°
60°
300°
–20
–30
–30
2000Hz
1600Hz
1250Hz
0°
–10
–20
210°
180°
0°
330°
240°
–10
180°
0°
330°
–20
120°
240°
–10
180°
0°
–30
–20
120°
240°
–10
210°
–40
–30
–20
–10
30°
–40
–30
120°
240°
270°
90°
–40
–30
0
–40
270°
270°
–40
180°
–30
–40
–40
300°
–20
–30
90°
–20
60°
300°
–20
–30
500Hz
400Hz
315Hz
330°
0
60°
210°
0°
–10
300°
240°
180°
0°
0°
270°
150°
–20
120°
240°
–10
–40
120°
270°
90°
0
210°
300°
–20
–30
0
90°
60°
–10
0
–30
150°
330°
0
–10
–20
120°
30°
–10
30°
20k
[Hz]
0°
330°
0
–10
0°
60°
10k
Hor.
Ver.
–40
–20
120°
240°
180°
150°
60°
–30
–20
120°
5k
0°
30°
–40
–30
60°
1k
90°
–40
150°
500
270°
90°
120°
100
Frequency — Beamwidth
vertical
horizontal
60°
50
Measurement distance (simulation): 20m
0°
30°
1
20
20k
[Hz]
240°
210°
16000Hz
12500Hz
10000Hz
0
180°
210°
8000Hz
6300Hz
5000Hz
SR-S4S/SR-S4SWP
CHARACTERISTIC DIAGRAMS
SR-S4S Frequency Response
Beamwidth vs. Frequency
(when using DP-0206 option)
[dB]
110
(when using DP-0206 option)
[deg]
100
90
200
80
100
70
60
20
50
100
500
1k
5k
10k
Frequency — SPL
50
20k
[Hz]
SR-S4SWP Frequency Response (when using DP-0206 option)
[dB]
110
10
100
5
90
80
70
60
20
50
100
500
1k
5k
10k
Frequency — SPL
Polar Response
0°
330°
30°
330°
0
0
–10
–10
60°
300°
–20
300°
–20
–30
–30
–40
–40
270°
90°
210°
150°
250Hz
200Hz
160Hz
0
30°
–40
90°
–40
–30
–30
–20
120°
210°
150°
500Hz
400Hz
315Hz
0
150°
210°
250Hz
200Hz
160Hz
30°
0
330°
30°
330°
0
–10
60°
300°
–20
–30
–40
–40
270°
270°
90°
–40
–30
–30
–40
–30
–20
120°
240°
270°
90°
–40
–40
–30
–20
120°
240°
–20
120°
240°
–10
–10
–10
–10
0
0
0
0
150°
210°
1000Hz
800Hz
630Hz
180°
150°
2000Hz
1600Hz
1250Hz
30°
330°
210°
150°
1000Hz
800Hz
630Hz
180°
0°
0°
30°
210°
180°
0°
330°
30°
30°
330°
0
0
–10
–10
60°
300°
–20
60°
–40
90°
–40
150°
210°
4000Hz
3150Hz
2500Hz
180°
0
180°
–30
–20
210°
150°
8000Hz
6300Hz
5000Hz
0
210°
150°
4000Hz
3150Hz
2500Hz
0
180°
210°
8000Hz
6300Hz
5000Hz
0°
330°
30°
0
330°
0
–10
Vertical
300°
–20
60°
300°
–20
–30
–30
*Direction of a speaker in the measurement.
–40
Horizontal
–40
270°
90°
270°
90°
–40
–40
–30
–30
–20
240°
–20
120°
–10
0
240°
–10
180°
–10
180°
–20
120°
240°
–10
0°
30°
–40
–30
120°
240°
–10
–10
0
–40
–20
120°
270°
90°
–30
–30
240°
–40
270°
90°
–40
–20
–30
270°
270°
300°
–20
–30
–40
–40
90°
60°
300°
–20
–30
2000Hz
1600Hz
1250Hz
330°
0
–10
300°
210°
0°
0
–30
240°
180°
–10
–20
300°
–20
–30
–40
–20
60°
300°
–20
–30
500Hz
400Hz
315Hz
0°
0
60°
210°
180°
0°
330°
240°
–10
180°
90°
150°
–20
120°
240°
–10
270°
120°
270°
270°
–10
–40
60°
–30
0
300°
300°
–20
–10
90°
150°
60°
300°
0
–30
120°
–10
–10
–20
60°
–10
–40
0°
330°
330°
0
–30
240°
180°
0°
150°
20k
[Hz]
0°
30°
330°
0
–20
–10
180°
120°
10k
Hor.
Ver.
–40
–20
120°
240°
–10
60°
60°
–30
–20
30°
5k
0°
30°
–40
–30
150°
1k
90°
–40
0
500
270°
90°
120°
100
Frequency — Beamwidth
vertical
horizontal
60°
50
Measurement distance (simulation): 20m
0°
30°
1
20
20k
[Hz]
240°
–10
210°
150°
16000Hz
12500Hz
10000Hz
0
180°
210°
16000Hz
12500Hz
10000Hz
SPECIFICATIONS
SR - S4L
Enclosure
Power Handling Capacity
Rated Impedance
Sensitivity
Frequency Response
Crossover Frequency
Directivity Angle
SR - S4LWP
Bass-reflex type
Sealed type
SR - S4S
SR-S4SWP
Bass-reflex type
Continuous program: 600W
8Ω
Sealed type
94dB (1W, 1m)
93dB (1W, 1m)
70 – 20,000Hz (when using DP-0206 option)
3,500Hz
Horizontal: 90°
Vertical: 0° (within the range of speaker height)
Low frequency: 10cm cone-type × 8
High frequency: 2.5cm balanced dome-type × 24
M5 screw terminal, distance
between barriers: 12.2mm and
—
Neutrik NL4MP x 2 (usable cable
connector: Neutrik NL4FC)
Direct cable withdrawal from
internal speaker: ø8.6mm,
—
conductor cross section: 1.25mm2,
4-core cable, 3m
IPX4
—
–10°C to+50°C
—
Plywood, white, urethane coating
MDF, white, paint
Punched stainless steel (SUS304),
Punched steel plate,
white, paint
white, acrylic paint
160 (W) × 895 (H) × 255 (D)mm
160 (W) × 892 (H) × 303 (D)mm
(excluding connected cable)
16kg
Bi-amplifier drive rating label × 1, Bi-amplifier drive input indication label × 1
Speaker Component
Input Connector
M5 screw terminal, distance
between barriers: 12.2mm and
Neutrik NL4MP x 2 (usable cable
connector: Neutrik NL4FC)
Connected Cable
—
Water Protection
Operating Temperature
Finish
Enclosure:
Front grille:
Dimensions
—
—
MDF, white, paint
Punched steel plate,
white, acrylic paint
160 (W) × 895 (H) × 255 (D)mm
Weight
Accessory
Matching transformer: MT-S0601, Extension plate: SR-EP4,
Flying bracket: SR-FB4, Wall mounting bracket: SR-WB4,
Wall tilt bracket: SR-TB4, Stand adapter: SR-SA4,
Protection pad: SR-PP4, Floor stand: SR-FS4,
Digital processor: DP-0206
Option
Horizontal: 90°
Vertical: 10°
Matching transformer: MT-S0601,
Extension plate: SR-EP4WP, Wall tilt bracket: SR-TB4WP,
Wall mounting bracket: SR-WB4WP,
Protection pad: SR-PP4, Digital processor: DP-0206
—
Direct cable withdrawal from
internal speaker: ø8.6mm,
conductor cross section: 1.25mm2,
4-core cable, 3m
IPX4
–10°C to+50°C
Plywood, white, urethane coating
Punched stainless steel (SUS304),
white, paint
160 (W) × 892 (H) × 303 (D)mm
(excluding connected cable)
Matching transformer: MT-S0601, Extension plate: SR-EP4,
Flying bracket: SR-FB4, Wall tilt bracket: SR-TB4,
Stand adapter: SR-SA4, Protection pad: SR-PP4,
Digital processor: DP-0206
Matching transformer: MT-S0601,
Extension plate: SR-EP4WP, Wall tilt bracket: SR-TB4WP,
Protection pad: SR-PP4, Digital processor: DP-0206
APPEARANCE AND DIMENSIONAL DIAGRAM
SR-S4L/SR-S4LWP
SR-S4S/SR-S4SWP
Horizontal
303
255
100
60
Matching transformer
mounting panel
(option)
A: SR-S4LWP = 45°
SR-S4SWP = 30°
50
892
NL4MP
NL4MP
30
60
60
2– 1+
2+ 1–
Wiring Diagram
Air hole (internal)
SR-S4L/SR-S4S (Rear)
Illustration of SR-S4L
100
50
Green (+)
Black (–)
Red (N.C)
White (N.C)
Note:
1. Install the speaker with its air hole down, as
indicated by the Up mark on the speaker.
2. It features the water protection construction
(IPX4), however it is recommended that it be
installed under roofs, eaves, or other locations
not directly exposed to rain or snow.
3. For outdoor permanent installation, the
installation angle of the SR-S4LWP must be
between 0˚ horizontal and 45˚ (SR-S4SWP: 30°)
downward as shown at the above.
Do not install the speaker horizontally.
4. When permanently installing the speaker
outdoors, inspect it periodically.
Matching transformer
mounting panel
(option)
30
895
(+)
(–)
2– 1+
2+ 1–
60 60 60
Screw terminal 4P
10˚
60 60 60
60
100
50
30
160
87
˚
60
50
30
A
255
100
160
SR-S4LWP/SR-S4SWP (Rear)
Illustration of SR-S4SWP
OPTIONS
SR-EP4
SR-TB4
SR-WB4
SR-SA4
Extension Plate
for indoor use
Wall Tilt Bracket
for indoor use
Wall Mounting Bracket
for indoor use
Stand Adapter
SR-PP4
SR-FS4
Protection Pad
Floor Stand
SR-EP4WP
Extension Plate
for outdoor use
SR-TB4WP
SR-WB4WP
SR-FB4
DP-0206
Wall Tilt Bracket
for outdoor use
Wall Mounting Bracket
for outdoor use
Flying Bracket
Digital Processor
TOA Corporation
URL : http://www.toa.jp/
Specifications are subject to change without notice.
Printed in Japan (0505) 833-64-557-30 U
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