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TOA SR-FB4 Quick start guide
Line Array Speaker
Type S
Versatile operation and installation features
enhance sound reinforcement applications
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.
Type S Series 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/S4LWP speaker
features a linear design tailored for distance
sound transmission applications and the SR-S4S/
S4SWP features a gently curved line which offers
ideal sound coverage over a shorter distance.
SR-S4L
SR-S4S
Sync-Drive is a wavefront control technology that keeps sound waves in phase
with their sources at the speakers to create an ideal linear sound source. TOA’s
line array speakers incorporate this technology.
• Sync-Drive technology creates ideal linear sound source, ensuring
more intelligibility with reduced attenuation over distance
Line Array Type S are 2-way line array speakers, each containing 32 speaker elements - 8 x 10
cm LF and 24 HF drivers. Driver units are installed vertically and with minimal space between
units in order to create a continuous linear sound source. This enables delivering a uniform
sound pressure that resists attenuation with distance.
• Ideal for challenging environments
The speaker enclosures are designed to minimize floorand ceiling reflections to maximize sound clarity even in
reverberant spaces and other problem environments.
• Versatile speaker configuration possibilities
SR-S4L/S4LWP is designed for long distance sound
transmission, whilst SR-S4S/S4SWP is for short distance
sound transmission. Stacking 2 or 3 speakers configures a
longer linear sound source, permitting richer low-frequency
sound reproduction as well as transmission of higher
sound output over a longer distance.
• Bi-amp operation capability for higher
quality sound
Type S has a built-in network circuit for a single amplifier
drive. Changing the internal connector position enables biamplifier drive that provides a higher quality sound output.
• Multiple speaker connectivity
Using optional TOA MT-S0601 Matching Transformer
allows use in high impedance applications.
• SR-S4S(WP)
• Splash-proof version (IPX4) available
• 2 x SR-S4L(WP)
• 2 x SR-S4L(WP) + 1 x SR-S4S(WP)
SR-S4LWP
SR-S4SWP
CHARACTERISTIC DIAGRAMS - SR-S4L/S4LWP
SR-S4L Frequency Response (when using optional digital processor)
Beamwidth vs. Frequency (when using optional digital processor)
[dB]
110
[deg]
100
200
90
80
100
70
60
20
50
100
500
1k
5k
10k
Frequency — SPL
50
20k
[Hz]
SR-S4LWP Frequency Response (when using optional digial processor)
[dB]
110
10
100
5
90
80
70
60
20
50
100
500
1k
5k
10k
Frequency — SPL
Polar Response
0°
330°
30°
–10
60°
60°
300°
–40
–40
270°
270°
90°
–40
60°
–40
–40
270°
90°
150°
250Hz
200Hz
160Hz
–40
–30
–30
–20
150°
210°
500Hz
400Hz
315Hz
180°
330°
30°
0
60°
300°
30°
330°
60°
300°
270°
30°
60°
300°
–40
270°
90°
–40
–30
–30
–20
120°
–20
120°
240°
–10
–10
–10
0
0
0
0
210°
150°
1000Hz
800Hz
630Hz
30°
330°
0
60°
300°
–20
330°
30°
60°
300°
270°
150°
210°
4000Hz
3150Hz
2500Hz
180°
0
180°
150°
8000Hz
6300Hz
5000Hz
0
–40
–30
0
330°
30°
210°
150°
4000Hz
3150Hz
2500Hz
330°
–10
Vertical
300°
0
60°
300°
–20
–30
–30
Horizontal
–40
–40
270°
90°
270°
90°
–40
–40
–30
–30
–20
240°
–20
120°
–10
0
180°
240°
–10
210°
150°
16000Hzl
12500Hz
10000Hz
0
180°
240°
–10
0°
–20
–20
120°
240°
180°
0°
–10
270°
90°
–10
210°
300°
–40
–20
–10
–10
330°
–30
–30
120°
240°
0
–20
–40
–20
120°
240°
60°
300°
270°
–30
–20
2000Hz
1600Hz
1250Hz
–10
90°
–40
–30
30°
–40
270°
–40
330°
–30
90°
210°
0°
–20
–40
–40
0
240°
180°
–10
–30
90°
150°
1000Hz
800Hz
630Hz
0°
–20
–30
210°
180°
–10
–10
0
2000Hz
1600Hz
1250Hz
0°
0°
0
150°
210°
180°
300°
–30
–10
180°
330°
270°
–30
240°
0
–20
–40
–20
500Hz
400Hz
315Hz
–10
90°
–40
120°
330°
–40
–40
210°
180°
–30
90°
240°
0
240°
0°
–20
–30
–20
150°
250Hz
200Hz
160Hz
–10
–20
–30
210°
0°
–10
–40
150°
–20
120°
240°
180°
0°
270°
120°
270°
90°
0
–40
60°
–30
–10
210°
300°
–20
0
90°
30°
60°
300°
–20
120°
330°
–10
–30
240°
0
0
–30
150°
30°
0
0
20k
[Hz]
0°
330°
–10
–20
120°
0
–10
–10
60°
10k
Hor.
Ver.
–10
0°
30°
5k
–40
–20
120°
240°
180°
150°
1k
–10
–30
–20
120°
500
0°
30°
–40
–30
60°
300°
–30
90°
30°
330°
–20
–30
150°
0
–10
–20
120°
100
Frequency — Beamwidth
vertical
horizontal
0
50
Measurement distance (simulation): 20m
0°
30°
1
20
20k
[Hz]
210°
16000Hz
12500Hz
10000Hz
0
180°
210°
8000Hz
6300Hz
5000Hz
CHARACTERISTIC DIAGRAMS - SR-S4S/S4SWP
SR-S4S Frequency Response
Beamwidth vs. Frequency
(when using optional digital processor)
[dB]
110
(when using optional digital processor)
[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 optional digital processor)
[dB]
110
10
100
5
90
80
70
60
20
50
100
500
1k
5k
10k
Frequency — SPL
Polar Response
0°
330°
30°
–10
60°
60°
300°
–40
–40
270°
210°
150°
250Hz
200Hz
160Hz
30°
330°
60°
300°
30°
60°
300°
0
330°
30°
–40
270°
270°
90°
–40
–40
–30
–30
–20
120°
–20
120°
240°
–10
0
0
150°
2000Hz
1600Hz
1250Hz
30°
330°
0
60°
330°
30°
300°
–20
60°
270°
150°
210°
4000Hz
3150Hz
2500Hz
180°
0
180°
–40
–30
–20
210°
150°
8000Hz
6300Hz
5000Hz
0
210°
150°
4000Hz
3150Hz
2500Hz
0
180°
210°
8000Hz
6300Hz
5000Hz
0°
330°
30°
0
330°
–10
Vertical
300°
–20
60°
300°
–20
–30
–30
–40
Horizontal
*Direction of a speaker in the measurement.
–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°
0
270°
90°
–30
–10
–10
300°
–40
270°
120°
240°
330°
–30
–40
–20
120°
240°
0
–20
–40
–30
–30
60°
300°
90°
–40
2000Hz
1600Hz
1250Hz
–10
270°
–40
–20
30°
330°
–30
90°
210°
0°
–20
–40
–40
0
240°
180°
–10
–30
90°
150°
1000Hz
800Hz
630Hz
0°
–10
300°
210°
180°
0°
–30
0
210°
180°
300°
–30
0
150°
330°
–20
0
–20
150°
60°
300°
–10
–10
120°
0
–10
1000Hz
800Hz
630Hz
500Hz
400Hz
315Hz
–10
–10
210°
210°
0°
–40
240°
0
180°
–30
–20
0°
60°
250Hz
200Hz
160Hz
–20
–30
180°
30°
150°
210°
90°
120°
240°
0
240°
–10
270°
–30
–20
–10
–40
–20
–30
120°
240°
180°
330°
90°
–40
150°
150°
–40
270°
–40
0°
–20
–40
120°
0
270°
90°
–10
–30
90°
–40
–20
500Hz
400Hz
315Hz
300°
–20
–30
210°
330°
–30
270°
–10
–30
60°
0
60°
300°
–40
120°
0
–10
–30
240°
180°
–10
0
20k
[Hz]
0°
30°
330°
–20
0°
–20
0
–40
–20
0°
30°
60°
–10
180°
150°
10k
Hor.
Ver.
–10
–30
120°
240°
–10
120°
5k
0°
30°
–40
–20
60°
1k
90°
–30
0
500
270°
90°
–40
30°
300°
–30
90°
0
330°
–20
–30
150°
0
–10
–20
120°
100
Frequency — Beamwidth
vertical
horizontal
0
50
Measurement distance (simulation): 20m
0°
30°
1
20
20k
[Hz]
240°
–10
210°
150°
16000Hz
12500Hz
10000Hz
0
180°
210°
16000Hz
12500Hz
10000Hz
M O U N T I N G
Two speakers connected
SR-EP4/EP4WP
Hanging
SR-SA4
O P T I O N S
On the wall
On the wall
• Vertically adjustable to max 5°,
horizontally to max 20°
• Horizontally adjustable to max. 30°
SR-TB4/TB4WP
For protection
SR-PP4
SR-WB4/WB4WP
On the stand
SR-SA4
On the stand
SR-FS4
Optional Accessories
Article number
Flying Bracket
SR-FB4*
Wall Tilt Bracket
SR-TB4*
Extension Plate
SR-EP4*
Wall Tilt Bracket, outdoor
use
SR-TB4WP
Extension Plate, outdoor
use
SR-EP4WP
Wall Mounting Bracket
Wall Mounting Bracket,
outdoor use
*Indoor use only
Article number
SR-WB4*
SR-WB4WP
Stand Adapter
Protection Pad
SR-SA4*
SR-PP4
255
100 50
160
[Front]
[Side]
60 30
SR-S4L/S4LWP
Blank panel
(The optional
MT-S0601 can be
installed inside.)
100 50
Input terminal panel
30 60
895
60 60 60
60
SR-S4L Rear View
SR-S4LWP Rear View
SR-S4S/S4SWP
255
100 50
[Side]
30
160
Blank panel
(The optional
MT-S0601 can be
installed inside.)
60 60 60
10°
892
87 60
°
[Front]
Input terminal panel
0
30 6
100 50
303
Specifications
Enclosure
SR-S4L
SR-S4S Rear View
SR-S4LWP
Bass-reflex type
SR-S4SWP Rear View
SR-S4S
Sealed type
SR-S4SWP
Bass-reflex type
Sealed type
Continuous program: 600 W (single-amp mode)
Low 240W, High 240W (bi-amp mode)
Power Handling Capacity
Rated Impedance
Sensitivity (1 W, 1 m)
94 dB
8 Ω (single-amp mode) / Low 8 Ω, High 8 Ω (bi-amp mode)
93 dB
Max SPL (Rated input, 1m)
122 dB
121 dB
Crossover Frequency
3.5 kHz
Frequency Response
70 Hz – 20 kHz
Directivity Angle
Speaker Component
Input Connector
Water Protection
Finish
Dimensions (W x H x D)
Weight
Accessory
H: 90 deg., V: 0 deg.
Low: 4" cone-type x 8, High: 1" balanced dome-type x 24
H: 90 deg. , V: 10 deg.
Low: 4“ cone-type x 8, High: 1" balanced dome-type x 24
Direct cable withdrawal from
M5 screw terminal, distance between
internal speaker : ø8.6 mm,
barriers: 12.2 mm and Neutrik
conductor cross section: 1.25
NL4MP x 2
mm², 4-core cable, 3 m
-
IPX4
Enclosure: MDF, white, paint
Front grille: Punched steel plate,
white, acrylic paint
Enclosure: Plywood, white,
urethane coating
Front grille: Punched stainless
steel, white, paint
160 × 895 × 255 mm
M5 screw terminal, distance
between barriers: 12.2 mm
and Neutrik NL4MP x 2
Direct cable withdrawal from
internal speaker : ø8.6 mm,
conductor cross section: 1.25
mm², 4-core cable, 3 m
-
IPX4
Enclosure: MDF, white, paint
Front grille: Punched steel
plate, white, acrylic paint
Enclosure: Plywood, white,
urethane coating
Front grille: Punched stainless
steel, white, paint
160 × 892 × 303 mm
16 kg
Bi-amplifier drive rating label x 1, Bi-amplifier drive input indication label x 1
Matching transformer: MT-S0601, Digital speaker processor: DP-SP3
Option
Extension plate: SR-EP4, Flying bracket:
Extension plate: SR-EP4WP, Wall Extension plate: SR-EP4, Flying
SR-FB4, Wall mounting bracket: SRExtension plate: SR-EP4WP, Wall
mounting bracket: SR-WB4WP, bracket: SR-FB4, Wall tilt bracket:
WB4, Wall tilt bracket: SR-TB4, Stand
tilt bracket: SR-TB4WP, Protection
Wall tilt bracket: SR-TB4WP,
SR-TB4, Stand adapter, SR-SA4,
adapter, SR-SA4, Protection pad: SRpad: SR-PP4
Protection pad: SR-PP4
Protection pad: SR-PP4
PP4, Floor stand: SR-FS4
ww.toa.jp
Specifications are subject to change without notice. (201804) 833-61-100-47-00
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