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OPERATING INSTRUCTIONS
MIXER POWER AMPLIFIER BG-1015
BG-1030
BG-1060
BG-1120
Please follow the instructions in this manual to obtain the optimum results from this unit.
We also recommend that you keep this manual handy for future reference.
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IMPORTANT SAFETY INSTRUCTIONS · Be sure to read these instructions in this section carefully before use. · Heed all warnings and follow all instructions. · Keep these instructions handy for reference at any time. • Do not block any of the ventilation openings. Install in accordance with the manufacturer's instructions. • Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. • Do not defeat the safety purpose
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• Be sure to replace the unit's terminal cover after • When unplugging the power supply cord, be sure connection completion. Because high voltage is to grasp the power supply plug; never pull on the applied to the speaker terminals, never touch these cord itself. Operating the unit with a damaged terminals to avoid electric shock. power supply cord may cause a fire or electric shock. • Avoid installing or mounting the unit in unstable locations, such as on a rickety table or a slanted • When mov
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TABLE OF CONTENTS 1. GENERAL DESCRIPTION ............................................................................. 5 2. FEATURES .......................................................................................................... 5 3. NOMENCLATURE AND FUNCTIONS Front ......................................................................................................................... 6 Rear .........................................................................................
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1. GENERAL DESCRIPTION TOA's BG-1015, BG-1030, BG-1060, and BG-1120 Mixer Power Amplifiers can mix up to a total of 5 independent input signals. Power output is rated at 15 W for the BG-1015, 30 W for the BG-1030, 60 W for the BG-1060, and 120 W for the BG-1120. All units are ideal for use in sound systems requiring small power outputs. 2. FEATURES • 3 balanced inputs, 1 unbalanced input, and 1 module input • Phantom-powered microphone input • Telephone paging input • Compatible with all 9
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3. NOMENCLATURE AND FUNCTIONS [Front] 5 6 7 8 9 3 4 MIC TEL PROGRAM AUX MODULE SIGNAL PEAK POWER 2 0 10 010 0 10 00 10 10 ON OFF 1 INTEGRATED AMPLIFIER BG-1120 This figure represents the BG-1120. 1. Power switch 5. Microphone input volume control Press to turn ON the power. Press again to turn Adjusts the microphone input volume. Turn the power OFF. clockwise to increase and counterclockwise to decrease. Note Amplifier operation is enabled about 3 seconds 6. Telephone paging input volume co
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[Rear] 13 14 15 17 19 22 23 24 Blank panel 18 120V 60Hz SENSE MAX 500W UNIT OUTLET MUTE MODULE PUSH PUSH BREAKER BREAKER RESET RESET 4 A 4 A 010 ABB PAGEGM PROGRAM TEL MIC BASS TREBLE 12 GCOM HOT G COM HOT G COM HOT NC AUX 0 0 UNSWITCHED – + – + 27 OUTPUT 120 W OUTPUT 1 W MOH MUTE 11 120V 60Hz PREAMP POWER 150W COM 4Ω 25V 70V 8Ω COM 600Ω COM G OUT IN OUTPUT 1 W MOH 0 10 0 10 CLASS 2 WIRING 10 28 16 20 21 25 26 This figure represents the BG-1120. 10. Power cord 15. Input terminal blo
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20. 1 W output volume control 25.Preamplifier output terminal [PREAMP OUT] Adjusts the 1 W OUTPUT level. Rotate clockwise Used for connection of output signals to external to increase and counterclockwise to decrease. signal processing equipment such as limiters and equalizers. 21. MOH output volume control Adjusts the MOH (Music On-Hold) output signal 26. Power amplifier input terminal [POWER IN] level. Rotate clockwise to increase and Used for connection of input signals from counterclockw
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5. OUTPUT CONNECTIONS [Output terminals] Each amplifier has 3 speaker outputs: 4 Ω , 25 V and 70 V. Use only one of these outputs for connection. Class 2 wiring may be used. Note: The impedance in the figure below represents the total impedance of the speaker system. COM 4Ω 25V 70V COM 4Ω 25V 70V COM 4Ω 25V 70V 5.2 Ω (BG-1120) 40.8 Ω (BG-1120) 10.4 Ω (BG-1060) 81.7 Ω (BG-1060) 21 Ω (BG-1030) 163 Ω (BG-1030) 42 Ω (BG-1015) 330 Ω (BG-1015) 4 Ω 25 V line 70 V line [MOH output connecti
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MOD MIC TEL 6.2. Module Selector Switch Settings Set the rear panel-mounted Module Selector Switch to either the PAGE or BGM position, depending on the output terminal to which the module signal is to be sent. MODULE PAGE: Signals from the installed module are only sent to the speaker outputs. PAGE BGM BGM: The terminal to which the signal from the module is to be output differs depending on jumper wire settings Module selector switch inside the unit. (Refer to p. 12.) Set both the bass and t
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[Muted signal settings] Use the unit's internal jumper switch JP301 to select the signal to be muted. Select either the input signal from the TEL, MIC, and MODULE (PAGE) terminals or from the AUX, PROGRAM, and MODULE (BGM) terminals as the signal to be muted. Jumper switch JP301 PAGE: TEL, MIC, MODULE ( PAGE) BGM: AUX, PROGRAM, MODULE ( BGM) Note: Selection is factory-preset to the input from AUX, PROGRAM, Preamplifier output board and MODULE (BGM) terminals. 7.1.2. Mute ope
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7.3. AUX, PROGRAM, MODULE (BGM) Output Selection Operations shown in the following table can be enabled with the unit's internal jumper settings. [OUTPUT 15 W/30 W/60 W/120 W] [OUTPUT 1 W, MOH] Jumpered AUX: ON Jumpered AUX: ON JP210 JP213 Cut AUX: OFF Cut AUX: OFF Jumpered PROGRAM: ON Jumpered PROGRAM: ON JP211 JP214 Cut PROGRAM: OFF Cut PROGRAM: OFF Jumpered MODULE (BGM): ON Jumpered MODULE (BGM): ON JP212 JP215 Cut MODULE (BGM): OFF Cut MODULE (BGM): OFF [OUTPUT 1 W, MOH] [OUTPUT 15
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7.5.2. Program input • Install an optional IT-453A Line Transformer in the specified location on the printed circuit board. • Cut off the JP205 and JP206 jumper wires. Preamplifier board T202 T201 JP206 JP205 Line Transformer IT-453A 8. INSTALLATION Keep the unit's all sides at least 10 cm away from At least objects that may obstruct air flow to prevent the 10 cm unit's temperature from rising. MIC TEL PROGRAM AUX MODULE SIGNAL PEAK POWER 0 10 010 0 10 00 10 10 ON OFF INTEGRATED AMPLIFIER
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10. CONTROL SETTINGS Output levels are adjustable with individual volume controls. For music play or announcement, adjust the corresponding volume control so that the signal indicator lights intermittently. Note that the sound quality is downgraded when the peak indicator remains lit. To prevent the accidental change of the settings of input volume controls, remove their knobs after setting them to the desired position and attach the volume control covers instead. Volume control cover (Access
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12. BLOCK DIAGRAM Ω Ω Ω Ω Ω Ω Ω Ω Ω 15 Phantom Power (DC 24 V) OFF JP201 ON Option EBA Mic Vol. Mic Mute –60 dB/600 JP207 Balanced I.T. Tel Vol. Mute Tel JP301 –20 dB/10 k JP208 PAGE I.T. Mute Cont. JP204 JP209 A BGM 10 k 600 B Mute Mute Cont. Mute selector PAGE Module Tone PAGE OUT JP212 IN Preamp OUT BGM Module Mute (Preamplifier Output) Power IN Bass Treble JP215 (Power Amplifier Input) Peak Signal BGM O.T. Power 70 25 Output 15 W/30 W/ Option EBA Program Vol. 4 60 W/120 W JP211 COM. Pro
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13. SPECIFICATIONS BG-1015 BG-1030 BG-1060 BG-1120 Model No. 120 V AC, 60 Hz Power Source 15 W 30 W 60 W 120 W Rated Output Power Consumption 50 W 80 W 160 W 260 W Rated output 40 W 60 W 100 W 150 W Based on UL/CSA standards 50 – 20,000 Hz Frequency Response 0.05% at 1 kHz, rated output Total Harmonic Distortion 1 2 Mic: –60 dB* , 600 Ω , electrically balanced, M3 screw terminal* Input 1 2 Tel: –20 dB* , 10 kΩ /600 Ω , balanced, M3 screw terminal* 1 2 Program: –10 dB* , 10 kΩ , electrically-bala
