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