OPERATING INSTRUCTIONS
HS-120B
HS-120W
HS-150B
HS-150W
SPEAKER SYSTEMS
TABLE OF CONTENTS
1. SAFETY PRECAUTIONS ........................... 2
2. GENERAL DESCRIPTION ......................... 3
3. FEATURES ................................................. 3
4. DIMENSIONAL DIAGRAM ......................... 3
5. INPUT TERMINAL SECTION ..................... 4
7. INSTALLATION .......................................... 4
8. EQUALIZING BY THE
DIGITAL SIGNAL PROCESSOR ............... 7
9. SPECIFICATIONS ...................................... 8
Accessories ................................................. 8
Optional products ........................................ 8
6. ABOUT THE INPUT OVERLOAD
PROTECTION CIRCUIT ............................. 4
Thank you for purchasing TOA's Speaker System.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
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Indicates a potentially hazardous situation which, if mishandled, could
result in moderate or minor personal injury, and/or property damage.
CAUTION
When the Unit is in Use
• Do not place heavy objects on the unit as this may cause it to fall or break which may result in personal
injury and/or property damage. In addition, the object itself may fall off and cause injury and/or damage.
• Make sure that the volume control is set to minimum position before power is switched on. Loud noise
produced at high volume when power is switched on can impair hearing.
• Do not operate the unit for an extended period of time with the sound distorting. This is an indication of a
malfunction, which in turn can cause heat to generate and result in a fire.
2. GENERAL DESCRIPTION
TOA’s HS-120 series and HS-150 series speakers are 2-way speaker systems made of resin, and feature a
large diameter woofer. They can be installed in many different applications with combined use of the supplied
handles and the optional mounting brackets.
3. FEATURES
• Tweeter array realizes a 90° horizontal x 40° vertical directivity control at high frequencies
• Compact and lightweight with its high frequency tweeter array arranged in front of the low frequency woofer
• Built-in overload protection circuitry for the tweeters
• Both permanent and temporary installations available
• Either vertical or horizontal speaker installation available for the permanent installation
• Easy to carry with a handy handle
4. DIMENSIONAL DIAGRAM
[Front]
[Side]
[Rear]
Screw terminal
NEUTRIK NL4MP
Speakon
B
C
[Bottom]
Dimensions
Model
A
B
C
HS-120B/120W
HS-150B/150W
448 (17.64) 320 (12.6) 361 (14.21)
560 (22.05) 400 (15.75) 451 (17.76)
Unit: mm (inches)
3
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5. INPUT TERMINAL SECTION
• As the Speakon connector is internally connected in parallel to the screw terminal as shown below, you can
use either of the two.
• The usable connector (on the cable end) that matches the NEUTRIK NL4MP Speakon is NEUTRIK NL4FX
Speakon.
• Input terminal connection diagram is as shown below.
[Rear]
[Input terminal connection diagram]
Speaker
Speaker
Screw terminal
Speakon
Screw terminal
NEUTRIK NL4MP
Speakon
6. ABOUT THE INPUT OVERLOAD PROTECTION CIRCUIT
The speaker system has a built-in input overload protection circuitry. If an excessive input signal is applied to
the speaker, the protection circuitry is activated and cuts off the signal input to the tweeters. A sudden drop of
the sound volume level during speaker operation indicates that the protection circuitry has been activated. In
such a case, reduce the amplifier volume and wait. The protection circuitry is automatically reset after
approximately 10 seconds. After the circuitry is reset, set the volume at a lower level than before.
Note
This input overload protection circuitry does not completely protect the speaker component. Depending on the
nature of the excessive input signal applied to the speaker, there may be damage to the speaker components
before protection circuitry can operate. Also, if the excessive input signal is applied to the speaker for
extended periods of time, the protection circuitry may be damaged and will not recover. Take special care that
the excessive input signal is not applied to the speaker during use.
7. INSTALLATION
7.1. Installing to a Ceiling or Wall
Install the speaker system to a ceiling or wall using the optional mounting brackets shown below.
Note
Refer to the instruction manual enclosed with the HY-1200 series or HY-1500 series Mounting Bracket for its
mounting details.
7.1.1. HY-1200VB, HY-1200VW, HY-1500VB and HY-1500VW Mounting Brackets
(For vertical speaker mounting)
• These brackets are designed to mount HS series speakers to ceilings or walls vertically.
HY-1200VB and HY-1200VW: For the HS-120 series speaker system
HY-1500VB and HY-1500VW: For the HS-150 series speaker system
• They allow speaker’s vertical angle to be adjusted. (Ceiling: From 15° upward to 90° downward, Wall: From
15° upward to 60° downward)
Note: They also permit speaker’s horizontal angle to be adjusted in conjunction with the optional HY-C0801 or
HY-C0801W Ceiling Mount Bracket, or the HY-W0801 or HY-W0801W Wall Mount Bracket.
[Ceiling installation]
[Wall installation]
Mounting
Bracket
Mounting
Bracket
4
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7.1.2. HY-1200HB, HY-1200HW, HY-1500HB and HY-1500HW Mounting Brackets
(For horizontal speaker mounting)
• These brackets are designed to mount HS series speakers to ceilings or walls horizontally.
HY-1200HB and HY-1200HW: For the HS-120 series speaker system
HY-1500HB and HY-1500HW: For the HS-150 series speaker system
• They allow speaker’s vertical angle to be adjusted. (Ceiling: From 0° horizontal to 90° downward, Wall: From
15° upward to 60° downward)
Note: They also permit speaker’s horizontal angle to be adjusted in conjunction with the optional HY-C0801 or
HY-C0801W Ceiling Mount Bracket, or the HY-W0801 or HY-W0801W Wall Mount Bracket.
[Ceiling installation]
[Wall installation]
Mounting Bracket
Mounting Bracket
7.1.3. HY-C0801 and HY-C0801W Ceiling Mount Brackets
(For ceiling installation, horizontal angle adjustable)
Installing the HS series speaker to a ceiling in
conjunction with the HY-1200 series or HY-1500
series Mounting Bracket permits the speaker's
horizontal angle to be adjusted.
Ceiling Moun Bracket
Mounting Bracket
The figure at right shows an example of vertical
speaker installation.
7.1.4. HY-W0801 and HY-W0801W Wall Mount Brackets
(For wall installation, horizontal angle adjustable)
Installing the HS series speaker to a wall in
conjunction with the HY-1200 series or HY-1500
series Mounting Bracket permits the speaker's
horizontal angle to be adjusted.
Wall Mount Bracket
Mounting Bracket
The figure at right shows an example of vertical
speaker installation.
5
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7.1.5. Safety wire installation (For speaker fall prevention)
When mounting the speaker system to the ceiling or wall, install a safety wire as needed.
When installing the safety wire, be sure to follow the instructions below.
Failure to do so may cause the speaker to fall off, resulting in personal
injury.
WARNING
• Use a wire rope of 2 mm (0.08") or more in diameter. (The safety wire is not supplied.)
• Tighten the safety wire to take up the slack. Otherwise, impact shock at speaker fall may cause the wire-
connected parts or wire itself to break.
• Install the safety wire to a place that can structurally support the full weight of load.
• Screw a speaker suspension bolt (M8) into one of the screw holes on the speaker's bottom surface.
Then, connect the safety wire to the bolt.
Installation position of an M8 bolt
M8 (Screw pitch: 1.25 mm, effective depth: 24 mm)
Speaker's
bottom surface
Note: Unified inch screws cannot be used.
Changing the orientation of
the front panel logo
Turn the logo mark while holding its edges
to change its orientation.
7.2. Mounting on the ST-33B Speaker Stand (optional)
Note
Refer to the instruction manual enclosed with the Speaker Stand for its mounting details.
Step 1. Fix the bracket supplied with the speaker stand
to the speaker.
Speaker
Step 2. Spread the tripod legs of the stand to their full
extension.
Bracket
(supplied with the Stand)
Note
Spread the tripod legs until the stays extend
horizontally.
Bracket fixing screw
Step 3. Mount the speaker with the bracket fixed onto
the stand.
Plain washer for M8
(supplied with the Stand)
Step 4. Determine the speaker direction, and tighten
the bracket fixing screw.
Speaker mounting screw M8
(supplied with the Stand)
Step 5. Adjust the stand height.
ST-33B Speaker Stand
6
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7.3. Using as a Floor Monitor
Notes
• When installing the speaker system on slippery floor,
put a non-slip mat under the speaker.
• Do not kick or stand on the speaker system, as this
will damage the speaker.
The figure shows the HS-120 series.
7.4. Attaching the Supplied Rubber Feet
Attach the rubber feet in the case of speaker storage or
on-floor speaker installation.
Datum line
Note
The rubber foot has a direction (back and forth).
Align the datum line on the rubber foot with the positioning
Positioning mark
mark (
) on the speaker unit as shown at right.
Rubber foot
(accessory)
Screw M6 x 30 (accessory)
7.5. Attaching a Handle
Screw M6 x 30
(accessory)
The speaker system comes with a handy carrying handle.
Attach the handle on the speaker's top surface.
Handle fitting bracket
(accessory)
Handle
(accessory)
8. EQUALIZING BY THE DIGITAL SIGNAL PROCESSOR
The speaker system is capable of providing high-efficiency and wide range reproduction without using an
equalizer, however more clear and dynamic sound quality can be reproduced by using our digital signal
processor and performing its settings as shown in the tables below.
[For the HS-120B and HS-120W]
[For the HS-150B and HS-150W]
Filter
HPF (12 dB)
PEQ
Frequency (Hz) Gain (dB)
50
Q
Filter
HPF (12 dB)
PEQ
Frequency (Hz) Gain (dB)
50
Q
1.618
3.134
4.318
4.938
3.134
0.718
1.450
1.850
3.450
1.850
1.414
0.776
580
1500
2100
5500
14000
-
-
-
-
5.0
4.0
3.0
2.0
500
1250
2900
6500
14000
-
-
-
-
4.5
3.0
5.0
3.0
PEQ
PEQ
PEQ
PEQ
PEQ
PEQ
PEQ
+2.0
PEQ
+3.0
7
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9. SPECIFICATIONS
Model No.
HS-120B
HS-120W
HS-150B
HS-150W
Enclosure
Sealed type
Power Handling Capacity
Rated impedance
Sensitivity
Continuous pink noise: 100 W, Continuous program: 300 W
8 Ω
97 dB (1 W, 1m)
80 to 20,000 Hz
98 dB (1 W, 1m)
70 to 20,000 Hz
Frequency Response
Crossover Frequency
Directivity Angle
Speaker Component
3 kHz
Horizontal: 90°, Vertical: 40°
Low frequency
Low frequency
30 cm (12") cone type
38 cm (15") cone type
High frequency
Balanced dome tweeter x 6
High frequency
balanced dome tweeter x 6
Input Terminal
Enclosure
NEUTRIK NL4MP Speakon and M4 screw terminal (Barrier spacing: 9 mm)
Polypropylene,
black
Polypropylene,
white
Polypropylene,
black
Polypropylene,
white
Finish
Punched net
Surface-treated
steel plate, black
Surface-treated
steel plate, white
Surface-treated
steel plate, black
Surface-treated
steel plate, white
Operating Temperature
Dimensions
–10°C to +50°C (14°F to 122°F)
361 (w) x 448 (h) x 320 (d) mm
(14.21" x 17.64" x 12.6")
451 (w) x 560 (h) x 400 (d) mm
(17.76" x 22.05" x 15.75")
Weight
8.5 kg (18.74 lb)
12 kg (26.46 lb)
Note: The design and specifications are subject to change without notice for improvement.
• Accessories
Handle ................................................................................................ 1
Handle fitting bracket .......................................................................... 2
Rubber foot ......................................................................................... 2
Screw M6 x 30 (Used for attaching a handle and rubber foot.) .......... 4
• Optional products
Mounting bracket (For vertical speaker mounting): HY-1200VB, HY-1200VW, HY-1500VB, HY-1500VW
Mounting bracket (For horizontal speaker mounting): HY-1200HB, HY-1200HW, HY-1500HB, HY-1500HW
Ceiling mount bracket: HY-C0801, HY-C0801W
Wall mount bracket:
Speaker stand:
HY-W0801, HY-W0801W
ST-33B
Traceability Information for Europe (EMC directive 2004/108/EC)
Manufacturer:
TOA Corporation
7-2-1, Minatojima Nakamachi, Chuo-ku, Kobe, Hyogo,
Japan
Authorized representative:
TOA Electronics Europe GmbH
Suederstrasse 282, 20537 Hamburg,
Germany
533-06-174-1B
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