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INSTALLATION AND OPERATION MANUAL
BA3-120, BA3-240 BA3-350, BA3-500
3 Zone Mixer Amplifiers with Mp3/FM/BT
Caution: Please read this manual carefully before operating
Damage caused by misuse is not covered by the warranty
1.
Read and keep these instructions.
2.
Heed all warnings and follow all instructions.
3.
Do not use this apparatus near water.
4.
Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
5.
Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus that produce
heat.
6.
Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with
one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or
the third prong is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician
for replacement of the obsolete outlet.
7.
Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the
point where they exit from the apparatus.
8.
Only use attachments/accessories specified by the manufacturer.
9.
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 combination to avoid injury from tip-over.
10. Unplug this apparatus during lightning storms or when unused for long periods of time.
11. 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.
12. This appliance shall not be exposed to dripping or splashing water and that no object filled with liquid such as
vases shall be placed on the apparatus.
13. Plug this apparatus to the proper wall outlet and make the plug to be disconnected readily operable.
14. Main plug is used as disconnected device and it should remain readily operable during intended use. In order to
disconnect the apparatus from the mains completely, the mains plug should be disconnected from the mains
socket outlet completely.
15. WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.
16. An appliance with a protective earth terminal should be connected to a mains outlet with a protective earth
connection.
SAFTY WARNINGS!
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Table of Contents
Summary of Contents for Best BA3-120
- Page 1 INSTALLATION AND OPERATION MANUAL BA3-120, BA3-240 BA3-350, BA3-500 3 Zone Mixer Amplifiers with Mp3/FM/BT Caution: Please read this manual carefully before operating Damage caused by misuse is not covered by the warranty SAFTY WARNINGS! Read and keep these instructions. Heed all warnings and follow all instructions.
- Page 2 WARNING! TO PREVENT FIRE OR SHOCK HAZARD, DO NOT USE THE PLUG WITH AN EXTENSION CORD, RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE. TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. TO PREVENT ELECTRICAL SHOC K, MATCH WIDE BLADE PLUG TO WIDE SLOT, FULLY INSERT.
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Page 3: Front Panel
FRONT PANEL Mic1 Input with VOX priority except Chime Input. 10. MP3 module. Mic2 Attenuators. 11. Source selection. Mic3 Attenuators 12. Zone 1 Volume control. Chime button 13. Zone 2 Volume control. Chime Attenuators 14. Zone3 Volume control. Bass 15. Power indication. Treble 16. - Page 4 AMPLIFIER OPERATION GUIDANCE 100V Line System For 100V line systems, connect the amplifier to the first speaker in the system using double-insulated speaker wire which has adequate current rating to handle the total output of the amplifier. Connect the “100V” output terminal to the positive (+) connection of the speaker and “COM”...
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Page 5: Operation Step
OPERATION STEP When all connections to the amplifier are made, turn all rotary controls down and switch on the power and a power “ON” LED will illuminate. Turn BASS and TREBLE controls to the 12 o’clock position (pointing straight up) and turn MASTER rotary control up part way for testing. -
Page 6: Connection Diagrams
CONNECTION DIAGRAMS SCHEMATIC DIAGRAMS... - Page 7 SPECIFICATION SHEET SERVICE Ensure the problem is not related to operator error, or system devices that are external to this unit. Information provided in the troubleshooting portion of this manual may help with this process. Once it is certain that the problem is related to the product contact your warranty provider as described in the warranty section of this manual.
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