Related Manuals for Toa P-1812
Summary of Contents for Toa P-1812
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Page 1: Operating Instructions
OPERATING INSTRUCTIONS PA AMPLIFIER P-1812 Please follow the instructions in this manual to obtain the optimum results from this unit. We also recommend that you keep this manual handy for future reference. -
Page 2: Table Of Contents
TABLE OF CONTENTS 1. SAFETY PRECAUTIONS ................3 2. GENERAL DESCRIPTION ................4 3. FEATURES ......................4 4. NOMENCLATURE AND FUNCTIONS Front ......................... 5 Rear .......................... 5 5. CONNECTIONS 5.1. Speaker Connections ..................6 5.2. Emergency Control Connection ................ 6 5.3. -
Page 3: Safety Precautions
When Installing the Unit the power supply plug from the AC outlet and contact your nearest TOA dealer. Make no further • Do not expose the unit to rain or an environment attempt to operate the unit in this condition as this where it may be splashed by water or other liquids, may cause fire or electric shock. -
Page 4: General Description
An all-pole mains switch with a contact separation of at least 3 mm in each pole shall be incorporated in the electrical installation of the building. 2. GENERAL DESCRIPTION TOA's P-1812 PA Amplifier delivers 120 W power output and can be used in conjunction with the A-1800 series PA Amplifiers. 3. FEATURES •... -
Page 5: Nomenclature And Functions Front
4. NOMENCLATURE AND FUNCTIONS [Front] 1. Power switch 3. Master volume control Press to turn ON the power. Adjusts the output signal level. Press again to turn the power OFF. 4. LED level meter 2. Power indicator Indicates an output level. Lights green when the power is switched on. -
Page 6: Connections
5.3. Remote Power ON/OFF Control Connection With the P-1812's power turned OFF, it can be remotely turned ON from the optional A-1803, A-1806, or A- 1812 PA Amplifier by making the Remote IN-OUT terminal connections as shown below. (This remote control operates only when the P-1812's power is turned OFF.) -
Page 7: Emergency Input And Control Input Terminal Connections
A-1803 REMOTE OUT CONTROL EMERGENCY EMER- A-1806 GENCY A-1812 REC OUT LINE OUT Connect this cable when requiring remote power ON/OFF control. P-1812 REMOTE IN CONTROL EMER- GENCY LINE OUT LINE IN P-1812 REMOTE IN CONTROL EMER- GENCY LINE OUT... -
Page 8: Installation
6. INSTALLATION Keep the unit's all sides over 10 cm away from objects that may obstruct air flow to prevent the unit's internal temperature rise. Over 10 cm Over 10 cm Over 10 cm 7. RACK MOUNTING To mount the unit in a standard 19" equipment rack, use the optional MB-25B Rack Mounting Bracket. Attach the MB-25B to the unit using the supplied 4 screws. -
Page 9: Control Setting
8. CONTROL SETTING Output levels are adjustable with the Master Volume Control. For music play or announcements, adjust the Control so that the red indicator doesn't light. Note that the sound quality is downgraded when the red indicator remains lit. To prevent the accidental change of the setting of Master Volume Control, remove its knob after setting it to the desired position and attach the optional YA-920 Volume Control Cover instead. -
Page 10: Internal Modification
10. INTERNAL MODIFICATION Leave the modification described here to a qualified service technician only. Please consult your TOA dealer. This modification enables the EMRGENCY Control to turn the power off and disable broadcast when activated. [Upper view without case] Rear panel... -
Page 11: Block Diagram
11. BLOCK DIAGRAM... -
Page 12: Specifications
12. SPECIFICATIONS Power Source 220 – 230 V AC or 240 V AC, 50/60 Hz 24 V DC (M4 screw terminal* Rated Output 120 W Power/Current Consumption AC operation: 258 W (rated output), 94 W (EN60065) 24 V DC operation: 7.0 A (rated output), 2.7 A (EN60065) Frequency Response 50 –...
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