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TOA Mixer Power Amplifier A-1812

Highlights

At a Glance

  • Public Address (PA) amplifier
  • Chime function and zone selector
  • Made by TOA of Japan
CodePH-A-1812

TOA A-1812 Mixer Power Amplifier

TOA (Japan) PA amplifier. Equipped with Priority function, Chime function, and 2 Zone selector switches, the A-1812 PA Amplifier of 120 W is designed to suit the following PA system applications: paging announcements, intercommunications, BGM, and broadcasting in schools, offices, and shops. It's power remote control function, provided especially for use in conjunction with the P-1812 (optional), will turn ON or OFF the P-1812's power.

Specifications:

  • Power Source: 240 V AC, 50/60 Hz
    24 V DC (M4 screw terminal)
  • 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)
  • 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
  • Output: REC: 0 dB(*1), 600 Ω, unbalanced, RCA pin jack
          LINE 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.)
  • 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)
  • 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
  • Control Output: Power remote: Open collector output, withstand voltage: 35 V DC,
    control current: 50 mA or less, M3 screw terminal
  • 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.
  • Indicator: 5 point LED output level meter, Power indicator LED, Zone indicator LED, Emergency LED,
    TEL LED
  • Priority: EMERGENCY: Overrides other inputs
    TEL: 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
  • Operating Temperature: -10 ? to +40 ?
  • Finish: Panel: ABS resin, black, hairline
    Case: Steel plate, black
  • 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-25B
    Volume control cover: YA-920
    Input transformer: IT-453A

For more info. please click this link: http://www.toa.jp/products/amplifiers/a-1800series/a-1812_er.html

Updated by JEN 12/19/12 edited by MCT 10-23-13

 

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