TOA A-1806 AS User manual

TOA A-1806 AS User manual
 zd TOA PA AMPLIFIER A—1806(AS)
BOESCRIPTIÓN
Equipped with Priority function, Chime function, and 2 Zone selector switches, the A—1806 PA
Amplifier of 60 W is designed to suit the followin 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 con junction with the P—1812 (optional), will turn
ON or OFF the P-1812's power.
BSPECIFICATIONS (x1) 0 dB = 1 V
Power Source 240 V AC, 50/60 Hz
24 V DC (M4 screw terminal)
Rated Output 60 W
Power/Current AC operation: 158 W (rated output), 66 W (EN60065),
Consumption 150 mA or less (when power switch is OFF)
24 V DC operation: 3.8 A (rated output), 1.6 A (EN60065)
Frequency Response 50 Hz — 20 kHz (+3 dB)
Distortion 2 7% or less at 1 kHz, rated power
Input MIC 1: —60 dB(x1), 600 ©, electronically-balanced,
combined type of XLR—3—51 equivalent and phone jack, DIN socket (5 pins)
MIC 2 — 3: —60 dB(x1), 600 ©, electronically-balanced,
combined type of XLR-3-31 equivalent and phone jack
AUX 1 (MOH): —20 dB(+1), 10 kQ, unbalanced, RCA pin jack
AUX 2: —20 dB(x1), 10 kQ, unbalanced, RCA pin jack
AUX 3: —20 dB(x1), 10 kQ, unbalanced, combined type of XLR-3-31 and phone jack
TEL(*2): —20 dB(*1), 10 kQ, electronically—-balanced, M3 screw terminal
EMERGENCY: O dB(x1), 600 Q, unbalanced, M3 screw terminal
Output REC: 0 dBt*1), 600 Q, unbalanced, RCA pin jack
LINE 1, 2 (+3): 0 dB(x1), 600 Q, unbalanced, RCA pin jack
MOH: 0 dB(x1), 600 Q, transformer balanced, M3 screw terminal
SPEAKER SELECTOR: 2 zone, high impedance (100 V line/167 Q), individual selector switch,
M4 screw terminal
DIRECT SPEAKER OUT: High impedance (100 V line/167 Q), M4 screw terminal
Low impedance (4 — 16 Q), 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 100 dB or more (Master volume: min)
(Band Pass 70 dB or more (Master volume: max)
: 20 Hz — 20 kHz) 60 dB or more (MIC 1 — MIC 3)
/6 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 °С 10 +40 °C
Finish Panel: ABS resin, black, hairline
Case: Steel plate, black
Dimensions 420 (W) X 107.7 (H) X 367 (D) mm
Weight 9.4 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—455A
[Note] Distance between barriers on the above screw terminals: M3 = 7 mm, M4 -- 9 mm
(x2) Can be transformer—balanced with the addition of optional IT-455A input transformer.
(+3) LINE 1 and LINE 2 outputs can be interlocked with ZONE 1 and ZONE 2 speaker selectors, respectively.
(This function needs internal modification.)
(x4) Operation when activated can be selected from the following: Turning ON the unit's power (factory-preset) or OFF.
(The OFF function needs internal modification.)
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ОЕ TOA Corporation DWG No: GA—0RZB1-3
BAPPEARANCE
PA AMPLIFIER
A—1806( AS)
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Front View
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Side View
TOA Corporation
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DWG No: GA—0RZC1-2
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