TYPE S SERIES LINE ARRAY SPEAKER SYSTEM
SR-S4S/SR-S4SWPSR-S4L/SR-S4LWP
Photo: SR-S4LWP Photo: SR-S4S
DESCRIPTION
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.
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
FEATURES
●
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.
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
[dB]
110
100
90
80
70
60
20 50 100 500 1k 5k 10k 20k
SR-S4LWP Frequency Response
[dB]
110
Frequency — SPL
(when using DP-0206 option)
100
90
80
70
60
20 50 100 500 1k 5k 10k 20k
Polar Response
horizontal
60°
90°
120°
60°
90°
120°
60°
90°
120°
60°
90°
120°
0°
30°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
150°
180°
0°
30°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
150°
180°
0°
30°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
150°
180°
0°
30°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
150°
180°
Frequency — SPL
Measurement distance (simulation): 20m
330°
300°
270°
240°
210°
250Hz
200Hz
160Hz
330°
300°
270°
240°
210°
1000Hz
800Hz
630Hz
330°
300°
270°
240°
210°
4000Hz
3150Hz
2500Hz
330°
300°
270°
240°
210°
16000Hzl
12500Hz
10000Hz
30°
60°
90°
120°
150°
30°
60°
90°
120°
150°
30°
60°
90°
120°
150°
Horizontal
0°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
180°
0°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
180°
0°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
180°
Ver tical
Beamwidth vs. Frequency
(when using DP-0206 option)(when using DP-0206 option)
[deg]
200
100
50
[Hz]
10
5
1
[Hz]
330°
300°
270°
240°
210°
500Hz
400Hz
315Hz
330°
300°
270°
240°
210°
2000Hz
1600Hz
1250Hz
330°
300°
270°
240°
210°
8000Hz
6300Hz
5000Hz
20 50 100 500 1k 5k 10k 20k
vertical
30°
60°
90°
120°
150°
30°
60°
90°
120°
150°
30°
60°
90°
120°
150°
30°
60°
90°
120°
150°
0°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
180°
0°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
180°
0°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
180°
0°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
180°
Frequency — Beamwidth
330°
300°
270°
90°
240°
210°
250Hz
200Hz
160Hz
330°
300°
270°
90°
240°
210°
1000Hz
800Hz
630Hz
330°
300°
270°
90°
240°
210°
4000Hz
3150Hz
2500Hz
330°
300°
270°
240°
210°
16000Hz
12500Hz
10000Hz
30°
60°
120°
150°
30°
60°
120°
150°
30°
60°
120°
150°
[Hz]
Hor.
Ver.
0°
330°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
180°
0°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
180°
0°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
180°
300°
270°
240°
210°
500Hz
400Hz
315Hz
330°
300°
270°
240°
210°
2000Hz
1600Hz
1250Hz
330°
300°
270°
240°
210°
8000Hz
6300Hz
5000Hz
SR-S4S/SR-S4SWP
CHARACTERISTIC DIAGRAMS
SR-S4S Frequency Response
[dB]
110
(when using DP-0206 option)
100
90
80
70
60
20 50 100 500 1k 5k 10k 20k
SR-S4SWP Frequency Response
[dB]
110
Frequency — SPL
(when using DP-0206 option)
100
90
80
70
60
20 50 100 500 1k 5k 10k 20k
Polar Response
horizontal
30°
60°
90°
120°
60°
90°
120°
60°
90°
120°
60°
90°
120°
–10
–20
–30
–40
–40
–30
–20
–10
150°
30°
–10
–20
–30
–40
–40
–30
–20
–10
150°
30°
–10
–20
–30
–40
–40
–30
–20
–10
150°
30°
–10
–20
–30
–40
–40
–30
–20
–10
150°
Frequency — SPL
Measurement distance (simulation): 20m
0°
330°
0
300°
270°
240°
0
210°
180°
0°
0
0
180°
0°
0
0
180°
0°
0
0
180°
250Hz
200Hz
160Hz
330°
300°
270°
240°
210°
1000Hz
800Hz
630Hz
330°
300°
270°
240°
210°
4000Hz
3150Hz
2500Hz
330°
300°
270°
240°
210°
16000Hz
12500Hz
10000Hz
30°
60°
90°
120°
150°
30°
60°
90°
120°
150°
30°
60°
90°
120°
150°
Horizontal
–10
–20
–30
–40
–40
–30
–20
–10
180°
–10
–20
–30
–40
–40
–30
–20
–10
180°
–10
–20
–30
–40
–40
–30
–20
–10
180°
Ver tical
Beamwidth vs. Frequency
(when using DP-0206 option)
[deg]
200
100
[Hz]
50
10
5
1
[Hz]
0°
330°
0
300°
270°
240°
0
210°
500Hz
400Hz
0°
0
0
0°
0
0
315Hz
330°
300°
270°
240°
210°
2000Hz
1600Hz
1250Hz
330°
300°
270°
240°
210°
8000Hz
6300Hz
5000Hz
20 50 100 500 1k 5k 10k 20k
vertical
30°
60°
90°
120°
150°
30°
60°
90°
120°
60°
90°
120°
60°
90°
120°
–10
–20
–30
–40
–40
–30
–20
–10
150°
30°
150°
30°
150°
0°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
180°
0°
0
0
180°
0°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
180°
0°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
180°
Frequency — Beamwidth
330°
300°
270°
90°
240°
210°
250Hz
200Hz
160Hz
330°
300°
270°
90°
240°
210°
1000Hz
800Hz
630Hz
330°
300°
270°
90°
240°
210°
4000Hz
3150Hz
2500Hz
330°
300°
270°
240°
210°
16000Hz
12500Hz
10000Hz
30°
60°
120°
150°
30°
60°
120°
150°
30°
60°
120°
150°
*Direction of a speaker in the measurement.
[Hz]
Hor.
Ver.
0°
330°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
180°
0°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
180°
0°
0
–10
–20
–30
–40
–40
–30
–20
–10
0
180°
300°
270°
240°
210°
500Hz
400Hz
315Hz
330°
300°
270°
240°
210°
2000Hz
1600Hz
1250Hz
330°
300°
270°
240°
210°
8000Hz
6300Hz
5000Hz
SPECIFICATIONS
SR-S4L SR-S4LWP SR-S4S SR-S4SWP
Enclosure Bass-reflex type Sealed type Bass-reflex type Sealed type
Power Handling Capacity Continuous program: 600W
Rated Impedance 8Ω
Sensitivity 94dB (1W, 1m) 93dB (1W, 1m)
Frequency Response 70 – 20,000Hz (when using DP-0206 option)
Crossover Frequency 3,500Hz
Directivity Angle Horizontal: 90° Horizontal: 90°
Speaker Component Low frequency: 10cm cone-type × 8
Input Connector M5 screw terminal, distance M5 screw terminal, distance
between barriers: 12.2mm and
Neutrik NL4MP x 2 (usable cable Neutrik NL4MP x 2 (usable cable
connector: Neutrik NL4FC) connector: Neutrik NL4FC)
Connected Cable Direct cable withdrawal from Direct cable withdrawal from
Water Protection — IPX4 — IPX4
Operating Temperature — –10°C to+50°C—–10°C to+50°C
Finish Enclosure: MDF, white, paint Plywood, white, urethane coating MDF, white, paint Plywood, white, urethane coating
Front grille: Punched steel plate, Punched stainless steel (SUS304), Punched steel plate, Punched stainless steel (SUS304),
white, acrylic paint white, paint white, acrylic paint white, paint
Dimensions 160 (W) × 895 (H) × 255 (D)mm 160 (W) × 895 (H) × 255 (D)mm 160 (W) × 892 (H) × 303 (D)mm 160 (W) × 892 (H) × 303 (D)mm
Weight 16kg
Accessory Bi-amplifier drive rating label × 1, Bi-amplifier drive input indication label × 1
Option
Matching transformer: MT-S0601, Extension plate: SR-EP4, Matching transformer: MT-S0601, Matching transformer: MT-S0601, Extension plate: SR-EP4,
Flying bracket: SR-FB4, Wall mounting bracket: SR-WB4, Extension plate: SR-EP4WP, Wall tilt bracket: SR-TB4WP, Flying bracket: SR-FB4, Wall tilt bracket: SR-TB4, Extension plate: SR-EP4WP, Wall tilt bracket: SR-TB4WP,
Wall tilt bracket: SR-TB4, Stand adapter: SR-SA4, Wall mounting bracket: SR-WB4WP, Stand adapter: SR-SA4, Protection pad: SR-PP4, Protection pad: SR-PP4, Digital processor: DP-0206
Protection pad: SR-PP4, Floor stand: SR-FS4, Protection pad: SR-PP4, Digital processor: DP-0206 Digital processor: DP-0206
Digital processor: DP-0206
Vertical: 0° (within the range of speaker height) Vertical: 10°
High frequency: 2.5cm balanced dome-type × 24
—
—
internal speaker: ø8.6mm,
conductor cross section: 1.25mm
4-core cable, 3m 4-core cable, 3m
between barriers: 12.2mm and
2
, conductor cross section: 1.25mm2,
—
(excluding connected cable) (excluding connected cable)
—
internal speaker: ø8.6mm,
Matching transformer: MT-S0601,
APPEARANCE AND DIMENSIONAL DIAGRAM
SR-S4L/SR-S4LWP SR-S4S/SR-S4SWP
895
255
100 50
60
100
50
30
60
6060 60 60
30
Matching transformer
mounting panel
(option)
Screw terminal 4P
1+
2–
2+
NL4MP NL4MP
1+
2–
1–
2+
Wiring Diagram
(+)
(–)
1–
SR-S4L/SR-S4S (Rear)
160
Air hole (internal)
160
Illustration of SR-S4L Illustration of SR-S4SWP
892
303
255
100 50
10˚
OPTIONS
SR-EP4
Extension Plate
for indoor use
SR-TB4
Wall Tilt Bracket
for indoor use
SR-WB4
Wall Mounting Bracket
for indoor use
3060
87˚
60
60
60
Green (+)
Black (–)
Red (N.C)
White (N.C)
60
100
30
50
SR-SA4
Stand Adapter
Horizontal
A: SR-S4LWP = 45°
A
SR-S4SWP = 30°
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˚
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)
SR-S4LWP/SR-S4SWP (Rear)
SR-FS4
Floor Stand
(SR-S4SWP: 30°)
SR-PP4
Protection Pad
SR-EP4WP
Extension Plate
for outdoor use
SR-TB4WP
Wall Tilt Bracket
for outdoor use
SR-WB4WP
Wall Mounting Bracket
for outdoor use
SR-FB4
Flying Bracket
DP-0206
Digital Processor
TOA Corporation
URL : http://www.toa.jp/
Specifications are subject to change without notice.
Printed in Japan (0505) 833-52-331-80 U
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