Toa DA-150EH-AM User manual

OPERATING INSTRUCTIONS
MULTICHANNEL POWER AMPLIFIER
DA-150EH-AM
Thank you for purchasing TOA's Multichannel Power Amplifier.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
1. IMPORTANT SAFETY INSTRUCTIONS .... 2
2. SAFETY PRECAUTIONS ........................... 3
3.
GENERAL DESCRIPTION ........................
.
5......................
5
4.
FEATURES ................................................
. 5
5.
HANDLING PRECAUTIONS
6.
NOMENCLATURES AND FUNCTIONS
7.
..... 6
APPLICATION EXAMPLES ........................ 7
8. REMOVABLE TERMINAL PLUG
9. THERMAL DISSIPATION .......................... 9
CONNECTION ........................................... 8
10. POWER ON/OFF SEQUENCE ................. 9
11.
12. SPECIFICATIONS .................................... 11
DIMENSIONAL DIAGRAM ....................... 10
TABLE OF CONTENTS

1. IMPORTANT SAFETY INSTRUCTIONS
• Read these instructions.
• Keep these instructions.
• Heed all warnings.
• Follow all instructions.
• Do not use this apparatus near water.
• Clean only with dry cloth.
• Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
•Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatuses (including
amplifiers) that produce heat.
•Do not alter the safety purpose of the polarized or grounding-type plug. A grounding type plug has two blades
and a third grounding prong. If the provided plug does not fit into your outlet, consult an electrician for replacement
of the incompatible outlet.
•Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and
the point where they exit from the apparatus.
• Only use attachments/accessories specified by the manufacturer.
• Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer,
or sold with the apparatus. When a cart is used, use caution when moving the
cart/apparatus to avoid injury from tip-over.
• Unplug this apparatus during lightning storms or when unused for long periods of time.
• Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have
fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or
has been dropped.
INSTRUCTIONS ESSENTIELLES POUR LA SÉCURITÉ
• Lire ces instructions.
• Conserver ces instructions pour référence ultérieure.
• Respecter tous les avertissements.
• Suivre toutes les instructions.
• Ne pas utiliser cet appareil à proximité d'eau.
• Nettoyer uniquement à l'aide d'un chiffon sec.
• Ne pas obstruer les orifices de ventilation. Installer conformément aux instructions du fabricant.
• Ne pas installer à proximité de sources de chaleur telles que des radiateurs, des registres thermiques, des
chaudières ou d'autres appareils (notamment des amplificateurs) produisant de la chaleur.
• Ne pas contourner la fonction de sécurité de la fiche polarisée ou de mise à la terre. Une fiche de mise à
la terre est équipée dedeux broches et d'une troisième pour la mise à la terre. Si la fiche fournie ne
peut être insérée dans la prise électrique souhaitée, consulter un électricien pour faire remplacer cette
dernière.
• Protéger le cordon d'alimentation pour éviter qu'il ne soit piétiné ou pincé, notamment au niveau des fiches,
des prises de courant ou de son point de sortie de l'appareil.
• Utiliser uniquement les accessoires spécifiés par le fabricant.
• Utiliser uniquement avec le chariot, support, trépied, la patte de montage ou la table
spécifiés par le fabricant ou vendus avec l'appareil. En cas d'utilisation d'un chariot,
manipuler la combinaison chariot/appareil pour éviter les blessures dues à un
renversement.
• Débrancher cet appareil pendant les orages ainsi que lorsqu'il reste inutilisé pendant une période prolongée.
• La maintenance de l'appareil doit être confiée à un technicien après-vente qualifié. Une maintenance s'avère
nécessaire si l'appareil est endommagé (au niveau du cordon d'alimentation ou de la fiche), a été mouillé
par un liquide, un objet est tombé à l'intérieur, s'il a été exposé à la pluie ou l'humidité, s'il ne fonctionne pas
normalement ou s'il est tombé.
2

When Installing the Unit
WARNING: Do not expose the unit to rain or an environment where it may be splashed by water or other
liquids, as doing so may result in fire or electric shock.
Use the unit only with the voltage specified on the unit. Using a voltage higher than that which is specified
may result in fire or electric shock.
cord in close proximity to heaters, and never place heavy objects -- including the unit itself -- on the power
cord, as doing so may result in fire or electric shock.
Avoid installing or mounting the unit in unstable locations, such as on a rickety table or a slanted surface.
Doing so may result in the unit falling down and causing personal injury and/or property damage.
External wiring connected to the terminals marked with requires installation by an instructed person.
The apparatus shall be connected to a main socket outlet with a protective ground connection.
The unit is not suitable for use in locations where children are likely to be present.
The socket-outlet shall be installed near the equipment and the plug (disconnecting device) shall be easily
accessible.
When the Unit is in Use
Should the following irregularity be found during use, immediately switch off the power, disconnect the power
supply plug from the AC outlet and contact your nearest TOA dealer. Make no further attempt to operate the
unit in this condition as this may cause fire or electric shock.
· If you detect smoke or a strange smell coming from the unit
· If water or any metallic object gets into the unit
· If the unit falls, or the unit case breaks
· If the power supply cord is damaged (exposure of the core, detached, etc.)
· If it is malfunctioning (no tone sounds.)
To prevent a fire or electric shock, never opennor remove the unit case as there are high voltage
components inside the unit. Refer all servicing to your nearest TOA dealer.
Do not place cups, bowls, or other containers of liquid or metallic objects on top of the unit. If they
accidentally spill into the unit, this may cause a fire or electric shock.
Do not insert nor drop metallic objects or flammable materials in the ventilation slots of the unit's cover, as
this may result in fire or electric shock.
Indicates a potentially hazardous situation which, if mishandled, could
result in death or serious personal injury.
WARNING
2. SAFETY PRECAUTIONS
Before installation or use, be sure to carefully read all the instructions in this section for correct and safe
operation.
Be sure to follow all the precautionary instructions in this section, which contain important warnings and/or
cautions regarding safety.
After reading, keep this manual handy for future reference.
Safety Symbol and Message Conventions
Safety symbols and messages described below are used in this manual to prevent bodily injury and property
damage which could result from mishandling. Before operating your product, read this manual first and
understand the safety symbols and messages so you are thoroughly aware of the potential safety hazards.
The exclamation point within an equilateral triangle is intended to alert the user to the presence of
important operation and maintenance (servicing) instruction in the literature accompanying the
appliance.
Le point d'exclamation à l'intérieur d'un triangle équilatéral avertit l'utilisateur de l'existence
d'instructions d'utilisation et d'entretien (réparation) dans la documentation fournie avec l'appareil.
3
Do not cut, kink, or otherwise damage nor modify the power supply cord. In addition, avoid using the power

When Installing the Unit
• Never plug in nor remove the power supply plug with wet hands, as doing so may cause electric shock.
• When unplugging the power supply cord, be sure to grasp the power supply plug; never pull on the cord
itself. Operating the unit with a damaged power supply cord may cause a fire or electric shock.
• When moving the unit, be sure to remove its power supply cord from the wall outlet. Moving the unit with the
power cord connected to the outlet may cause damage to the power cord, resulting in fire or electric shock.
When removing the power cord, be sure to hold its plug to pull.
• Do not block the ventilation slots in the unit's cover. Doing so may cause heat to build up inside the unit and
result in fire.
•Avoid installing the unit in humid or dusty locations, in locations exposed to direct sunlight, near heaters, or in
locations generating dirty smoke or steam as doing otherwise may result in fire or electric shock.
• To avoid electric shocks, be sure to unplug the unit's power supply cord when connecting speakers.
• Be sure to follow the instructions below when rack-mounting the unit. Failure to do so may cause a fire or
personal injury.
·Install the equipment rack on a stable, hard floor. Fix it with anchor bolts or take other measures to prevent
it from falling down.
·When connecting the unit's power cord to an AC outlet, use the AC outlet with current capacity allowable to
the unit.
·No rack-mounting screws are supplied with the unit. Separately prepare the appropriate screws for the
rack.
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.
• If dust accumulates on the power supply plug or in the wall AC outlet, a fire may result. Clean it periodically.
In addition, insert the plug in the wall outlet securely.
• Switch off the power, and unplug the power supply plug from the AC outlet for safety purposes when
cleaning or leaving the unit unusedfor 10 days or more. Doing otherwise may cause a fire or electric shock.
Indicates a potentially hazardous situation which, if mishandled, could
result in moderate or minor personal injury, and/or property damage.
CAUTION
The lighting flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user
to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of
sufficient magnitude to constitute a risk of electric shock to persons.
L'éclair accompagné d'un symbole représentant une pointe de flèche à l'intérieur d'un triangle
équilatéral avertit l'utilisateur de la présence d'une "tension dangereuse" à l'intérieur de l'enceinte
du téléviseur, dont la magnitude peut être suffisante pour constituer un risque de choc électrique
pour les personnes.
L'appareil
ne doit pas être exposé aux éclaboussures ou écoulements et tous objets remplis de liquide, tels
que vases, ne doivent pas être sur l’appareil.
ATTENTION
4

4. GENERAL DESCRIPTION
TOA's DA-150EH-AM Multichannel Power Amplifier features high power handling capabilities and
commercial-grade durability. It has a rated output of 150 W x 8 channels (100/70V line output). It covers
larger scale sound system applications where background/foreground music distributions and/or voice
announcements are required in multi-zone. It can be mounted in an EIA standard equipment rack.
5. FEATURES
8-Channel Class-D amplifier.
150W per channel.
Separate volume control for each channel.
Low power consumption and light weight.
Electronically-balanced inputs.
Input terminals employ removable terminal blocks to achieve quick and easy connections.
Equipped with the LED indicators that show the input status, etc.
Built-in protection circuitry disconnects the power amplifier's output from the load when a short circuit,
overload, or unusual temperature rise occurs.
·
·
·
3. HANDLING PRECAUTIONS
·Keep the input cable away from the output cable. If installed close to each other, oscillation could occur.
To avoid unit failures, never connect outputs of two or more channels in parallel.
·Only connect speakers with an impedance equal to or greater than those specified. Connecting speakers with
a smaller impedance than specified could cause damage to the unit.
To clean, be sure to first turn off this unit's power switch, then wipe with a dry cloth. When the unit gets very
dirty, use a cloth damped in a neutral cleanser. Never use benzene, thinner, alcohol, or chemically-treated
cleaning cloth because such volatile liquids could deform or discolor the unit.
5
Warning:Operation of this equipment in a residential environment could cause radio interference.
Note:This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in
a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined
by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
-Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-Consult the dealer to an experienced radio/TV technician for help.
EMC PRECAUTIONS

6
6. NOMENCLATURES AND FUNCTIONS
1. Power indicator
[Front]
[Rear]
Lights green when the Power switch (5) is turned on.
3. Signal indicator
Lights green when the respective channel's intput signal
pass through.
4. Protect indicator
Lights red when the protection circuitry is activated.
If the problem is resolved, the protection output systems
will deactivate automatically, and normal amplifier
operation is resumed.
2. Peak indicator
Lights red when the input signal is too high.
When the Peak indicator lights up, turn the input
level control (8) counterclockwise until its light
switches off or decreases the input signal level of
the connected external device.
Operating the unit while the Peak indicator remains
lit may cause the protection circuitry to be activated.
Note
5. Power switch
Turning this switch on causes the amplifier to
function, and turning it off causes the amplifier to
cease function.
7. Input terminals
Electronically-balanced inputs of 3-pin removable
terminal block type.
(+: Hot, -: Cold, : Earth)
8. Input level controls
Adjust the input level of each channel.
Turn the control clockwise to increase the input level
and counterclockwise to decrease the level.
10. Speaker output terminals
Connect speaker cables to these terminals.
Impedance for 100 V line : 67Ω
Impedance for 70 V line : 33Ω
9. Speaker output settings
Select the speaker output mode (100V or 70V) on each
channel moving the dip-switches to the desired position.
6. AC inlet
Connect the supplied power cord to this inlet.
The socket-outlet shall be installed near the
equipment and the plug (disconnecting device)
shall be easily accessible.
1
568
7
9
10
23
4
5 6 7 8
100
100
100
100
100
100
100
100
INPUT 4
CH 1CH 2CH 3 CH 4
CH 5CH 6CH 7CH 8
1 2 3 4
SPEAKER OUT-SET
110-120V 50/60Hz 1000W
AC INPUT:
FUSE: T12AL AC250V
100V
70V
100V
70V
INPUT 3 INPUT 2 INPUT 1
INPUT 8 INPUT 7 INPUT 6 INPUT 5

7. APPLICATION EXAMPLES
7
Typical School Solution
Restaurant/Bar Solution
5 6 7 8
100
100
100
100
100
100
100
100
INPUT 4
CH 1CH 2CH 3 CH 4
CH 5CH 6CH 7CH 8
1 2 3 4
SPEAKER OUT-SET
110-120V 50/60Hz 1000W
AC INPUT:
FUSE: T12AL AC250V
100V
70V
100V
70V
INPUT 3 INPUT 2 INPUT 1
INPUT 8 INPUT 7 INPUT 6 INPUT 5
AC Power
Source
5 6 7 8
100
100
100
100
100
100
100
100
INPUT 4
CH 1CH 2CH 3 CH 4
CH 5CH 6CH 7CH 8
1 2 3 4
SPEAKER OUT-SET
110-120V 50/60Hz 1000W
AC INPUT:
FUSE: T12AL AC250V
100V
70V
100V
70V
INPUT 3 INPUT 2 INPUT 1
INPUT 8 INPUT 7 INPUT 6 INPUT 5
AC Power Source
1: Routing for ZONE 1
2: Routing for ZONE 2
3: Routing for ZONE 3
4: Routing for ZONE 4
1 2 3 4
DSP Matrix Mixer
(M-9000M2)
Sound Sources
(BS-1030W)
ON/OFF
OUTPUT SEL
ON/OFF
OUTPUT VOLUME
INPUT VOLUME
TOA 9000M2 SERIES PRE-AMPLIFIER M-9000M2
POWER
UTILITY
ESC/BACK
MEMORY
ENTER
PARAMETER
8
7
6
5
4
3
2
1
INPUT SELECT
1: Routing for ZONE 1 w/ LPF (Sub-woofer)
2: Routing for ZONE 1
3: Routing for ZONE 2 w/ LPF (Sub-woofer)
4: Routing for ZONE 2
5: Routing for ZONE 3
6: Routing for ZONE 4
7: Routing for ZONE 5
8: Routing for ZONE 6
1 2 3 4 5 6 7 8
DSP Matrix Mixer
(M-8080D)
Sound Sources
(F-1300BT)
(F-1300BT)
(F-1300BT)
(F-1300BT)
(FB-3862CU
Sub-woofer)
(FB-3862CU
Sub-woofer)
(PC-580RU) (PC-580RU)
(BS-1030W)
(BS-1030W)
(BS-1030W)

8
8. REMOVABLE TERMINAL PLUG CONNECTION
• Use cables of AWG 12-24.
Shielded cable
7mm
20mm
Slotted screwdriver
Tightens Loosens
Terminal screw
Removable terminal plug
Ground
Cold
Shielded cable
Bit shape 3 mm
Recommended slotted screwdriver type: Screwdriver with blade that is 3 mm in width
Hot
• Avoid soldering cable conductor, as contact resistance may increase when the cable is tightened and the
solder is crushed, possibly resulting in an excessive rise in joint temperatures.
• Be sure to use shielded cables for audio signal lines.
Cautions
Cable end treatment
Connector connections
Tip
Step 1. Loosen the terminal screw, then insert the cable.
Step 2. Retighten the terminal screw.(Pull on the cable to ensure it is securely connected.)

9. THERMAL DISSIPATION
10. POWER ON/OFF SEQUENCE
9
Cool air
Exhaust vents
Air is drawn from both sides, flowing through the unit and heat sink, and then exhausted via the rear vents.
Do not block or impede the air flow through these vents and keep the vents areas free of foreign materials.
Cool air
Hot air
Power on
Sound consoleSource Peripheral devices Power Amplifier
Power off
NOTES:
For high-power systems, power on/off sequence is very important. Failure to follow the sequence is likely to
damage the equipment.
Sound console Source
Peripheral devices
Power Amplifier

10
11. DIMENSIONAL DIAGRAM
Unit: mm [inches]
5 6 7 8
100
100
100
100
100
100
100
100
INPUT 4
CH 1CH 2CH 3 CH 4
CH 5CH 6CH 7CH 8
1 2 3 4
SPEAKER OUT-SET
110-120V 50/60Hz 1000W
AC INPUT:
FUSE: T12AL AC250V
100V
70V
100V
70V
INPUT 3 INPUT 2 I NPUT 1
INPUT 8 INPUT 7 I NPUT 6 INPUT 5
Rear View
483 [19.03”]
360 [14.18”]
465 [18.32”]
31.8 [1.25”]
44.2 [1.74”]
49 [1.93”]
Front View
Side View

12. SPECIFICATIONS
11
Note: The design and specifications are subject to change without notice for improvement.
Total Harmonic Distortion
Cooling
Accessory
Weight
Dimensions
Finish
Operating Humidity
Operating Temperature
Amplification System
Protection Circuit
Frequency Response
Rated Output
Input
Power Source
Power Consumption
Crosstalk
S/N Ratio
Indicators
Power cord (2 m) ...1, Removable terminal plug (3 pins) ...8,
8 channels: 150 W x 8 (66.7 Ω(100 V)/33 Ω (70 V))
20 kΩ, electronically-balanced, removable terminal block (3 pins)
8 circuits, 0 dBV (1 V) (input level control in maximum position),
100/70 V DIP switch x 8
Short circuit, open circuit, thermal, excessive input, ultrasonic and RF
Forced air cooling
Case: plated steel sheet
483 (W) x 44 (H) x 360 (D) mm (19" x 1.7" x 14.2")
Panel: aluminum, black, alumite
Under 90% RH (no condensation)
Removable terminal plug (2 pins) ...8
0°C to +40°C (32 °F to 104 °F)
7.3 kg (16.09 lbs)
110-120 V AC, 50/60 Hz
50 - 20,000 Hz (±3 dB)
1000 W
> 70 dB (A-weighted)
> 95 dB (A-weighted)
< 0.1%
Digital class D
removable terminal block (2 pins)
Siqnal(green) x 8, Peak(red) x 8, Protect(red) x 8, Power(green) x 1

Manufacturer:
TOA Corporation
7-2-1, Minatojima-Nakamachi, Chuo-ku, Kobe, Hyogo, Japan
Authorized representative:
TOA Canada Corporation
3670 Odyssey Drive, Unit 1, Mississauga, ON L5M 0Y9, Canada
TEL: [phone]
Traceability Information for Americas
www.toacanada.com
202109