This document provides specifications and diagrams for several wall-mount speaker models from TOA Corporation, including the BS-634, BS-634T, BS-1034, and BS-1034S. It includes details on dimensions, impedance, frequency response, components, finishes, accessories, and specifications for architects and engineers. Polar response diagrams and graphs of SPL, beamwidth, and directivity factor vs. frequency are also provided.

1. BS-634/634T/1034/1034S
Wall Mount Speaker System
APPEARANCE AND
DIMENSIONAL DIAGRAM
330 (12.99”)
210 (8.27”) 80 Lock screw
(3.15”)
(0.88”)
22.3
83.5 (3.29”)
120 (4.72”)
Enlarged view of
(2.63”)
BS-1034S
66.7
BS-634/634T/1034 speaker receptacle
70 (2.76”)
DESCRIPTION Installation view Ceiling or projection
of a structure
The BS-634/634T/1034/1034S are wall-mount speakers matched with
(Over 6.69”)
a supplied plug-in speaker receptacle, for easy installation. The 6W
Over 170
rated input BS-634/634T are 5" (12cm) cone-type speakers, while the
10W rated input BS-1034/1034S combine a low-frequency 5" (12cm)
cone-type speaker and a high-frequency balanced dome-type Speaker
receptacle
speaker. An M4 screw terminal input connector allows easy (accessory)
connections. The speakers are driven on a high-impedance (100V or BS-1034
Note: As a force of approx. 18 kg (39.68 lb)
70V) line, with rated inputs. A selectable attenuation function is
(Over 9.84”)
is applied to the speaker receptacle at the
Over 250
time of speaker installation, attach it in a
provided on the BS-634T. The speaker enclosure’s design proportions location durable enough to withstand the
force.
are based on the Golden Ratio (1: 1.618). A low profile blends in well
with room décor. Both vertical and horizontal installations are possible.
Enclosure and grille net colour is off-white, except on the BS-1034S,
which comes with a silver net grille. Wiring Diagram
Speaker BS-634
Speaker
receptacle Matching
transformer
N 1.7kΩ
FEATURES HOT
R
3.3kΩ
• Innovative speaker design COM C
COM
• Low profile (Factory–preset wiring)
• Beautiful design due to the Golden Ratio (1: 1.618)
• Easy and quick installation N
R BS-634T
• Thanks to the ingenious location of the TOA logo, the speaker C
Speaker
Speaker
creates a distinctly different impression depending on whether it is N R COM
receptacle Attenuator
Matching
transformer
3-wire connection
installed horizontally or vertically. N
1.7kΩ
N
• Two colours selectable: off-white, which matches any interior style, R
R
C C COM
and silver, which adds a quality appearance.
HOT COM (Factory–preset wiring)
• Ideally suited for BGM and announcements 2-wire connection
Speaker
BS-1034/1034S
Speaker Matching Network
receptacle Rotary switch transformer cercuit
500Ω
HOT N 1kΩ
8Ω
2kΩ
R
3.3kΩ
0Ω
COM C 10kΩ
COM
(Factory–preset wiring)
Note: Never connect to the 500 Ω in a 100 V line system.

2. BS-634/634T
Polar Response (Horizontal)
0° 0° 0°
10 10 10
30° 330° 30° 330° 30° 330°
0 0 0
-10 -10 -10
60° -20 300° 60° -20 300° 60° -20 300°
-30 -30 -30
-40 -40 -40
270° 270° 270°
90° 90° 90°
500Hz 1000Hz 2000Hz
400Hz 800Hz 1600Hz
315Hz 630Hz 1250Hz
0° 0° 0°
10 10 10
30° 330° 30° 330° 30° 330°
0 0 0
-10 -10 -10
60° -20 300° 60° -20 300° 60° -20 300°
-30 -30 -30
-40 -40 -40
270° 270° 270°
90° 90° 90°
4000Hz 8000Hz 16000Hz
3150Hz 6300Hz 12500Hz
2500Hz 5000Hz 10000Hz
Polar Response (Vertical)
0° 0° 0°
10 10 10
30° 330° 30° 330° 30° 330°
0 0 0
-10 -10 -10
60° -20 300° 60° -20 300° 60° -20 300°
-30 -30 -30
-40 -40 -40
270° 270° 270°
90° 90° 90°
500Hz 1000Hz 2000Hz
400Hz 800Hz 1600Hz
315Hz 630Hz 1250Hz
0° 0° 0°
10 10 10
30° 330° 30° 330° 30° 330°
0 0 0
-10 -10 -10
60° -20 300° 60° -20 300° 60° -20 300°
-30 -30 -30
-40 -40 -40
270° 270° 270°
90° 90° 90°
4000Hz 8000Hz 16000Hz
3150Hz 6300Hz 12500Hz
2500Hz 5000Hz 10000Hz
SPL vs. Frequency Beamwidth vs. Frequency
110
100
90 200
SPL (dB)
80
Beamwidth (deg)
100
70
60 50
50
40
30
20 50 100 500 1k 5k 10k 20k 10
Frequency (Hz) 20 50 100 500 1k 5k 10k 20k
Frequency (Hz) Hor.
Ver.
Directivity Factor vs. Frequency
20
Directivity Factor (Q)
10
5
10
20 50 100 500 1k 5k 10k 20k
Frequency (Hz)

3. BS-1034/1034S
Polar Response (Horizontal)
0° 0° 0°
10 10 10
30° 330° 30° 330° 30° 330°
0 0 0
-10 -10 -10
60° -20 300° 60° -20 300° 60° -20 300°
-30 -30 -30
-40 -40 -40
270° 270° 270°
90° 90° 90°
500Hz 1000Hz 2000Hz
400Hz 800Hz 1600Hz
315Hz 630Hz 1250Hz
0° 0° 0°
10 10 10
30° 330° 30° 330° 30° 330°
0 0 0
-10 -10 -10
60° -20 300° 60° -20 300° 60° -20 300°
-30 -30 -30
-40 -40 -40
270° 270° 270°
90° 90° 90°
4000Hz 8000Hz 16000Hz
3150Hz 6300Hz 12500Hz
2500Hz 5000Hz 10000Hz
Polar Response (Vertical)
0° 0° 0°
10 10 10
30° 330° 30° 330° 30° 330°
0 0 0
-10 -10 -10
60° -20 300° 60° -20 300° 60° -20 300°
-30 -30 -30
-40 -40 -40
270° 270° 270°
90° 90° 90°
500Hz 1000Hz 2000Hz
400Hz 800Hz 1600Hz
315Hz 630Hz 1250Hz
0° 0° 0°
10 10 10
30° 330° 30° 330° 30° 330°
0 0 0
-10 -10 -10
60° -20 300° 60° -20 300° 60° -20 300°
-30 -30 -30
-40 -40 -40
270° 270° 270°
90° 90° 90°
4000Hz 8000Hz 16000Hz
3150Hz 6300Hz 12500Hz
2500Hz 5000Hz 10000Hz
SPL vs. Frequency Beamwidth vs. Frequency
110
100
90 200
SPL (dB)
80
Beamwidth (deg)
100
70
60 50
50
40
30
20 50 100 500 1k 5k 10k 20k
10
Frequency (Hz) 20 50 100 500 1k 5k 10k 20k
Frequency (Hz) Hor.
Ver.
Directivity Factor vs. Frequency
20
Directivity Factor (Q)
10
5
10
20 50 100 500 1k 5k 10k 20k
Frequency (Hz)

4. Specifications
Model No. BS-634 BS-634T BS-1034 BS-1034S
Rated Input 6W 10W
Impedance 100V line: 1.7 kΩ (6W), 3.3 kΩ (3W) 100V line: 1.7 kΩ (6W) 100V line: 1 kΩ (10W),2kΩ (5W),3.3 kΩ (3W), 10 kΩ (1W)
70V line: 1.7 kΩ (3W), 3.3kΩ (1.5W) 70V line: 1.7 kΩ (3W) 70V line: 500 Ω (10W), 1 kΩ (5W), 2kΩ (2.5W) ,3.3 kΩ (1.5W), 10 kΩ (0.5W)
Sensitivity (1m/1W) 90 dB
Frequency Response 120 – 18,000 Hz 120 – 20,000 Hz
Speaker Component 5" (12cm) cone-type Low frequency: 5" (12cm) cone-type, High frequency: Balanced dome-type
Input Connector M4 screw terminal, distance between barriers: 11mm (0.43")
Attenation — OFF (NC), 1 (-12dB), 2 (-6dB), 3 (0dB) — —
Finish Enclosure: HIPS resin (fire resistant grade UL94 V-0 or its equivarent), Enclosure: HIPS resin (fire resistant grade Enclosure: HIPS resin (fire resistant grade
off-white (RAL 9010 or equivalent colour) UL94 V-0 or its equivarent), UL94 V-0 or its equivarent), silver
Net: Surface-treated steel plate, off-white (RAL 9010 or equivalent colour), paint off-white (RAL 9010 or equivalent colour) Net: Steel plate, silver, paint
Net: Steel plate, off-white (RAL 9010 or
equivalent colour), paint
Dimensions 219 (W) × 330 (H) × 80 (D)mm (8.27" × 12.99" × 3.15")
Weight 1.3 kg (2,87 lb) 1.4 kg (3.09 lb)
Accessory Speaker receptacle × 1, Wall mounting screw × 2
Architect's and Engineer's Specifications
BS-634 BS-634T
The speaker shall be a 5" (12cm) cone type enclosure suitable for The speaker shall be a 5" (12cm) cone type enclosure suitable for
wall mounting with a supplied plug-in speaker receptacle wall mounting with a supplied plug-in speaker receptacle
accessory. The input connector shall be an M4 screw terminal, accessory. The input connector shall be an M4 screw terminal,
with an 11 mm distance between barriers. with an 11 mm distance between barriers. Four settings of
The speaker impedance shall be 1.7kΩ (6W) or 3.3kΩ (3W) for a selectable attenuation shall be OFF, -12dB, -6dB, and 0dB.
100V line, and 1.7kΩ (3W) or 3.3kΩ (1.5W) for a 70V line. The The speaker impedance shall be 1.7kΩ (6W) for a 100V line, and
output sound pressure level at a distance of 1m with a 1W input 1.7kΩ (3W) for a 70V line. The output sound pressure level at a
level applied shall be 90 dB SPL. The speaker shall have a distance of 1m with a 1W input level applied shall be 90 dB SPL.
frequency response of 120 – 18,000Hz (-20dB). The speaker shall have a frequency response of 120 – 18,000Hz
The speaker enclosure shall be constructed of fire resistant HIPS (-20dB).
resin. The grille shall be constructed of surface-treated steel plate The speaker enclosure shall be constructed of fire resistant HIPS
net. The speaker shall be available in off-white colour. The unit resin. The grille shall be constructed of surface-treated steel plate
shall have dimensions of 210 (W) × 330 (H) × 80 (D) mm (8.27” × net. The speaker shall be available in off-white colour. The unit
12.99” × 3.15”), and a weight of 1.3 kg (2.87 lb). shall have dimensions of 210 (W) × 330 (H) × 80 (D) mm (8.27” ×
The speaker shall be a TOA model BS-634. 12.99” × 3.15”), and a weight of 1.3 kg (2.87 lb).
The speaker shall be a TOA model BS-634T.
BS-1034 BS-1034S
The speaker unit shall combine a 5" (12cm) cone type low- The speaker unit shall combine a 5" (12cm) cone type low-
frequency speaker with a balanced dome-type high frequency frequency speaker with a balanced dome-type high frequency
speaker. The unit shall be capable of wall mounting with a speaker. The unit shall be capable of wall mounting with a
supplied plug-in speaker receptacle accessory. The input supplied plug-in speaker receptacle accessory. The input
connector shall be an M4 screw terminal, with an 11 mm distance connector shall be an M4 screw terminal, with an 11 mm distance
between barriers. between barriers.
The speaker impedance shall be 1kΩ (10W), 2kΩ (5W), 3.3kΩ The speaker impedance shall be 1kΩ (10W), 2kΩ (5W), 3.3kΩ
(3W) or 10kΩ (1W) for a 100V line, and 500Ω (10W), 1kΩ (5W), (3W) or 10kΩ (1W) for a 100V line, and 500Ω (10W), 1kΩ (5W),
2kΩ (2.5W), 3.3kΩ (1.5W) or 10kΩ (0.5W) for a 70V line. The 2kΩ (2.5W), 3.3kΩ (1.5W) or 10kΩ (0.5W) for a 70V line. The
output sound pressure level at a distance of 1m with a 1W input output sound pressure level at a distance of 1m with a 1W input
level applied shall be 90 dB SPL. The speaker shall have a level applied shall be 90 dB SPL. The speaker shall have a
frequency response of 120 – 20,000Hz (-20dB). frequency response of 120 – 20,000Hz (-20dB).
The speaker enclosure shall be constructed of fire resistant HIPS The speaker enclosure shall be constructed of fire resistant HIPS
resin. The grille shall be constructed of surface-treated steel plate resin. The grille shall be constructed of surface-treated steel plate
net. The speaker shall be available in off-white colour. The unit net. The speaker shall be available in silver colour. The unit shall
shall have dimensions of 210 (W) × 330 (H) × 80 (D) mm (8.27” × have dimensions of 210 (W) × 330 (H) × 80 (D) mm (8.27” ×
12.99” × 3.15”), and a weight of 1.4 kg (3.09 lb). 12.99” × 3.15”), and a weight of 1.4 kg (3.09 lb).
The speaker shall be a TOA model BS-1034. The speaker shall be a TOA model BS-1034S.
TOA Corporation
www.toa.jp
Specifications are subject to change without notice.
Printed in Japan (0708) 833-52-385-70 U