A-1806 PA Amplifier of 60 W is designed to suit the following PA system applications: paging announcements, intercommunications, BGM, and broadcasting in schools, offices, and shops.
Power Source
220 V - 230 V AC, 50/60 Hz
24 V DC (M4 screw terminal)
Rated Output
60 W
Power/Current Consumption
AC operation: 158 W (rated output), 66 W (EN60065),
24 V DC operation: 3.8 A (rated output), 1.6 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/167 Ω), individual selector switch,
M4 screw terminal
DIRECT SPEAKER OUT: High impedance (100 V line/167 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
