TOA A-1803 Mixer Amplifier

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Description

Product Features:

  • Recording output
  • 3 versions available: 30W, 60W or 120W
  • User-friendly front panel for easy operation
  • 3 MIC inputs with MIC 1 priority override
  • One of 3 different program sources can be broadcasted
  • Built-in MIC 1 chime for use with optional remote microphone
  • Individual zone speaker selection buttons enable broadcasting to 2 separate zones
  • High-quality circuitry enables wide frequency response (e.g. for CD music sources and for FGM/BGM speakers)
  • Remote-in terminal for emergency control with automatic setting of default output level for the emergency input

Application Examples:

  • Auditoriums
  • Office buildings
  • Houses of worship
  • Educational facilities

Specifications:

A-1803

A-1806

A-1812

Power source

220 – 230 V AC
50/60 Hz
220 – 230 V AC
50/60 Hz
220 – 230 V AC
50/60 Hz

Rated output

30 W
N/A
N/A

Frequency response

50 Hz – 20 kHz (±3 dB)
50 Hz – 20 kHz (±3 dB)
50 Hz – 20 kHz (±3 dB)

Distortion

< 2 % @ 1 kHz, rated power
< 2 % @ 1 kHz, rated power
< 2 % @ 1 kHz, rated power

Power consumption

AC operation: 80 W – rated output
DC operation: 24 V  – rated output
  • 37 W (EN60065)
  • 1.0 A (EN60065)
N/A
N/A

Current consumption

2 A
N/A
N/A

S/N ratio

100 dB (MIC: > 60 dB; AUX: > 76 dB; Tel: > 90 dB, EMERGENCY: > 96 dB)
100 dB (MIC: > 60 dB; AUX: > 76 dB; Tel: > 90 dB, EMERGENCY: > 96 dB)
100 dB (MIC: > 60 dB; AUX: > 76 dB; Tel: > 90 dB, EMERGENCY: > 96 dB)

Number of channels

1
1
1

Connectable microphones

3
3
3

Inputs

MIC 1: -60 dBV, 600 Ω, balanced, combined XLR phone jack or 5p DIN socket
MIC 2 & MIC 3: -60 dBV, 600 Ω, balanced, combined XLR phone jack
AUX 1 & 2: –20 dBV, 10 kΩ;
  • unbal. RCA
AUX 3: -20 dBV, 10 kΩ;
  • unbal. combined XLR phone jack
MIC 1: -60 dBV, 600 Ω, balanced, combined XLR phone jack or 5p DIN socket
MIC 2 & MIC 3: -60 dBV, 600 Ω, balanced, combined XLR phone jack
AUX 1 & 2: –20 dBV, 10 kΩ;
  • unbal. RCA
AUX 3: -20 dBV, 10 kΩ;
  • unbal. combined XLR phone jack
MIC 1: -60 dBV, 600 Ω, balanced, combined XLR phone jack or 5p DIN socket
MIC 2 & MIC 3: -60 dBV, 600 Ω, balanced, combined XLR phone jack
AUX 1 & 2: –20 dBV, 10 kΩ;
  • unbal. RCA
AUX 3: -20 dBV, 10 kΩ;
  • unbal. combined XLR phone jack

Control input

TEL: No-voltage make contact input;

Open voltage: 24 V DC
Short-circuit: 5 mA or less, M3 screw terminal
EMERGENCY: No-voltage make contact input;
Open voltage: 24 V DC
Short-circuit: 10 mA or less, M3 screw terminal
TEL: No-voltage make contact input;

Open voltage: 24 V DC
Short-circuit: 5 mA or less, M3 screw terminal
EMERGENCY: No-voltage make contact input;
Open voltage: 24 V DC
Short-circuit: 10 mA or less, M3 screw terminal
TEL: No-voltage make contact input;

Open voltage: 24 V DC
Short-circuit: 5 mA or less, M3 screw terminal
EMERGENCY: No-voltage make contact input;
Open voltage: 24 V DC
Short-circuit: 10 mA or less, M3 screw terminal

Outputs

REC: 0 dBV, 600 Ω, unbalanced, RCA pin jack
SPEAKER: 100 V (330 Ω), 4 – 16 Ω
REC: 0 dBV, 600 Ω, unbalanced, RCA pin jack
SPEAKER: 100 V (167 Ω), 4 – 16 Ω
REC: 0 dBV, 600 Ω, unbalanced, RCA pin jack
SPEAKER: 100 V (83 Ω), 4 – 16 Ω

Finish

ABS resin, steel plate, hairline, black
ABS resin, steel plate, hairline, black
ABS resin, steel plate, hairline, black

Dimensions

420 x 107.7 x 367 mm (W x H x D)
420 x 107.7 x 367 mm (W x H x D)
420 x 107.7 x 367 mm (W x H x D)

Weight

8.1 kg
9.4 kg
12.6 kg

Accessory (included)

  • Power cord, x1
  • Terminal block cover, x1
  • Terminal block cover mounting screw, x2
  • Power cord, x1
  • Terminal block cover, x1
  • Terminal block cover mounting screw, x2
  • Power cord, x1
  • Terminal block cover, x1
  • Terminal block cover mounting screw, x2

Data Sheets

Brochure
Data Sheet

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