TOA A1803 Mixer Amplifier

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Description

Product Features:

  • Recording output
  • User-friendly front panel for easy operation
  • One of 3 different program sources can be broadcasted
  • Individual zone speaker selection buttons enable broadcasting to 2 separate zones
  • Remote-in terminal for emergency control with automatic setting of default output level for the emergency input

Application Examples:

  • Auditoriums
  • Office buildings
  • 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

30W
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%
< 2%
< 2%

Power Consumption

DC Operation: 24V
AC Operation: 80W
N/A
N/A

Current Consumption

2A
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

One
One
One

Connectable Microphones

Three
Three
Three

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

Finish

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

Dimensions

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

Weight

8.1 kg
9.4 kg
12.6 kg

Accessories (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

To view additional information, be sure to check out the Data Sheets below.

Data Sheets

Brochure
Data Sheet

Additional information

Manufacturer

TOA

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