Specifications – Toa A-1812 User Manual
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16. SPECIFICATIONS
Model No.
A-1803
A-1806
A-1812
Power Source
220 – 230 V AC or 240 V AC, 50/60 Hz
24 V DC (M4 screw terminal*
1
)
Rated Output
30 W
60 W
120 W
Power/Current Consumption
AC operation:
AC operation:
AC operation:
80 W (rated output),
158 W (rated output),
260 W (rated output),
37 W (EN60065)
66 W (EN60065)
110 W (EN60065)
Under 100 mA (when
Under 150 mA (when
Under 320 mA (when
power switch is OFF)
power switch is OFF)
power switch is OFF)
24 V DC operation:
24 V DC operation:
24 V DC operation:
2.0 A (rated output),
3.8 A (rated output),
7.0 A (rated output),
1.0 A (EN60065)
1.6 A (EN60065)
2.8 A (EN60065)
Frequency Response
50 – 20,000 Hz (±3 dB)
Distortion
Under 2% at 1 kHz, rated power
Input MIC
1:
–60
dB*
2
, 600 Ω, electronically-balanced, combined type of
XLR-3-31 equivalent and phone jack, DIN socket (5 pins)
MIC 2 – 3:
–60 dB
*2
, 600 Ω, electronically-balanced, combined type of
XLR-3-31 equivalent and phone jack
AUX 1 (MOH): –20 dB*
2
, 10 kΩ, unbalanced, RCA pin jack
AUX 2:
–20 dB*
2
, 10 kΩ, unbalanced, RCA pin jack
AUX 3:
–20 dB*
2
, 10 kΩ, unbalanced, combined type of XLR-3-31
and phone jack
TEL*
3
: –20
dB*
2
, 10 kΩ, electronically-balanced, M3 screw
terminal*
1
EMERGENCY: 0 dB*
2
, 600 Ω, unbalanced, M3 screw terminal*
1
Output REC:
0
dB*
2
, 600 Ω, unbalanced, RCA pin jack
LINE 1, 2*
4
: 0
dB*
2
, 600 Ω, unbalanced, RCA pin jack
MOH:
0 dB*
2
, 600 Ω, transformer balanced, M3 screw
terminal*
1
SPEAKER SELECTOR: 2 zone, high impedance*
5
(100 V line), individual
selector switch, M4 screw terminal*
1
DIRECT SPEAKER OUT: High impedance*
5
(100 V line), M4 screw terminal*
1
,
Low impedance (4 – 16 Ω), M4 screw terminal*
1
Note: Both Low and High impedance terminals cannot be used at the same time.
Phantom Power
ON or OFF for each MIC 1 – 3 with switch setting
S/N Ratio
Over 100 dB (Master volume: min)
(Band Pass: 20 – 20,000 Hz) Over 76 dB (Master volume: max)
Over 60 dB (MIC 1 – MIC 3)
Over 76 dB (AUX 1 – AUX 3)
Over 90 dB (TEL)
Over 96 dB (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: Under 5 mA, M3 screw terminal*
1
EMERGENCY*
6
: No-voltage make contact input
Open voltage: 24 V DC
Short-circuit: Under 10 mA, M3 screw terminal*
1
Control Output
Power remote: Open collector output
Withstand voltage: 35 V DC
Control current: Under 50 mA, M3 screw terminal*
1
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 LEDs,
Emergency LED, TEL LED