| TOA A-1812 เครื่องเสียงTOA เครื่องขยายเสียง ประกาศ 2 โซน 120 วัตต์ แอมป์ขยายเสียงระบบ Mixer Power Amplifiers 120W.    Specification                                                                                                                     (*1) 0 dB = 1 V     
	
		
			| Power Source | 220 - 230 V AC, 50/60 Hz24 V DC (M4 screw terminal)
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			| Rated Output | 120 W |  
			| Power/Current Consumption | AC operation: 260 W (rated output), 110 W (EN60065),24 V DC operation: 7.0 A (rated output), 2.8 A (EN60065)
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			| Frequency Response | 50 Hz - 20 kHz (±3 dB) |  
			| Distortion | 2 % or less at 1 kHz, rated power |  
			| Input | MIC 1: -60 dB(*1), 600 Ω, electronically-balanced,combined type of XLR-3-31 equivalent and phone jack, DIN socket (5 pins)
 MIC 2 - 3: -60 dB(*1), 600 Ω, electronically-balanced,
 combined type of XLR-3-31 equivalent and phone jack
 AUX 1 (MOH): -20 dB(*1), 10 kΩ, unbalanced, RCA pin jack
 AUX 2: -20 dB(*1), 10 kΩ, unbalanced, RCA pin jack
 AUX 3: -20 dB(*1), 10 kΩ, unbalanced, combined type of XLR-3-31 and phone jack
 TEL(*2): -20 dB(*1), 10 kΩ, electronically-balanced, M3 screw terminal
 EMERGENCY: 0 dB(*1), 600 Ω, unbalanced, M3 screw terminal
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			| Output | REC: 0 dB(*1), 600 Ω, unbalanced, RCA pin jackLINE 1, 2 (*3): 0 dB(*1), 600 Ω, unbalanced, RCA pin jack
 MOH: 0 dB(*1), 600 Ω, transformer balanced, M3 screw terminal
 SPEAKER SELECTOR: 2 zone, high impedance (100 V line/83 Ω), individual selector switch,
 M4 screw terminal
 DIRECT SPEAKER OUT: High impedance (100 V line/83 Ω), M4 screw terminal
 Low impedance (4 - 16 Ω), M4 screw terminal
 (Both Low and High impedance terminals cannot be used at the same time.)
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			| Phantom Power | ON or OFF for each MIC1 - 3 with switch setting (+17 V DC) |  
			| S/N Ratio (Band Pass : 20 Hz - 20 kHz) | 100 dB or more (Master volume: min)76 dB or more (Master volume: max)
 60 dB or more (MIC 1 - MIC 3)
 76 dB or more (AUX 1 - AUX 3)
 90 dB or more (TEL)
 96 dB or more (EMERGENCY)
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			| Tone Control | Bass: ±10 dB at 100 Hz, Treble: ±10 dB at 10 kHz |  
			| Control Input | TEL: No-voltage make contact input, open voltage: 24 V DC, short-circuit: 5 mA or less,M3 screw terminal
 EMERGENCY(*4): No-voltage make contact input, open voltage: 24 V DC,
 short-circuit: 10 mA or less, M3 screw terminal
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			| Control Output | Power remote: Open collector output, withstand voltage: 35 V DC,control current: 50 mA or less, M3 screw terminal
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			| Chime | 1-tone, 2-tone, or ascending 4-tone chime, or None selectable with switch setting,activated at MIC 1's DIN or CONTROL TEL terminal.
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			| Indicator | 5 point LED output level meter, Power indicator LED, Zone indicator LED, Emergency LED,TEL LED
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			| Priority | EMERGENCY: Overrides other inputsTEL: Overrides other inputs except 'EMERGENCY', ON/OFF selectable with switch setting
 MIC 1: Overrides other inputs except 'EMERGENCY & TEL',
 ON/OFF selectable with switch setting
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			| Operating Temperature | -10 ℃ to +40 ℃ |  
			| Finish | Panel: ABS resin, black, hairlineCase: Steel plate, black
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			| Dimensions | 420 (W) × 107.7 (H) × 367 (D) mm |  
			| Weight | 12.6 kg |  
			| Accessory | Power cord ……1, Terminal block cover ……1, Terminal block cover mounting screw ……2 |  
			| Option | Rack mounting bracket: MB-25BVolume control cover: YA-920
 Input transformer: IT-453A
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