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A-1812 Mixer Power Amplifier (AS version)

A-1812 AS

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.

Specification
(*1) 0 dB = 1 V
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
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TOA is a company established in 1934, in Kobe, Japan. We provide innovative solutions and products centering those which provide sound. What TOA values is people’s smile. With more than 30 locations, we contribute to create a safe and reliable society globally with excitement, supporting the needs of local community.