TOA BG-1120 User manual

TOA BG-1120 User manual
The BG—1120 is a Mixer Power Amplifier and can mix up to a total of 5 independent input signals.
Power output is rated at 120 W, and this is ideal for use in sound systems requiring small power
(x1) 0 dB = 1 у
Power Source
120 V AC, 60 Hz
Rated Output
120 W
Power Consumption
200 W (rated output), 150 W (based on UL/CSA standards]
Frequency Response
20 — 20,000 hz
Total Harmonic Distortion
0.05%, at 1 kHz, rated output
Mic: —60 dB (+1), 600 Q, electrically—balanced, MJ screw terminal (x2)
Tel: —20 dB (x1), 10 kQ/600 Q), balanced, M3 screw terminal (x2)
Program: —10 dB (x1), 10 kQ, electrically—balanced, MS screw terminal (x2)
Aux: —10 dB (*1), 4/7 kQ, unbalanced, 2 P RCA pin jack (internal mixing)
Module: —20 dB (x1), 10 kQ, unbalanced, card edge connector
Power IN: O dB (x1), 10 kQ unbalance, RCA pin jack
Mute: M3 screw terminal (x2)
Main: 4 Q, 25 and 70 V, balanced, M3 screw terminal (x2)
Sub: 1 W/8 Q, unbalanced, M3 screw terminal (x2)
MOH: 0 dB(x1), 600 (Q, balanced, M3 screw terminal (x2)
Preamp OUT: 0 dB (x1), 600 Q unbalance, RCA pin jack
Output Regulation
Under 2 dB, no load to full load
S/N Ratio
Mic: 60 dB, Tel: 75 dB, Program: /5 dB, Aux: 75 dB, Module: 75 dB
(Band Pass: 20 — 20,000 Hz, Tone Controls: Centered)
Tone Controls
Bass: +10 dB at 100 Hz, Treble: £10 dB at 10 kHz
Controls affect only program input, aux input and module (BGM) input
Cooling Fan Speed
Variable by heat sink temperature
Power LED, Signal LED, Peak LED
Self protection, with 1 AC breaker (outside)
Other Feature
Automatic electronic drive limiter
Output disconnected for approx. 5 seconds after the unit is turned on
Finish Panel: ABS resin, black
Case: Steel plate, black, paint
Dimensions 264 (W) X 107.4 (H) X 280 (D) mm
Weight 6.4 kg (without input module)
Accessory Volume control covers = о
(x2) Distance between barriers on the above screw terminal: 6 mm
V ~— 8
55 = 25002 o 285. Dea i E, e of.
See DO, 00
5 U 3000 EN
3 — — — — —
— 5 Module slot
Rear View I 280
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Front View Side View
UNIT: mm SCALE:1/4
TOA Corporation DWG No: GBG006A1
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