Toa BG-115 Operating Instructions Manual
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Toa BG-115 Operating Instructions Manual

Toa BG-115 Operating Instructions Manual

Mixer power amplifiers
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MIXER POWER AMPLIFIERS

TABLE OF CONTENTS

2. SAFETY PRECAUTIONS ............................ 3
3. GENERAL DESCRIPTION .......................... 5
4. FEATURES .................................................. 5
Front ............................................................. 6
Rear .............................................................. 7
6. INPUT CONNECTIONS ............................... 8
7. OUTPUT CONNECTIONS ........................... 8
8. MUTING FUNCTION .................................... 9
Thank you for purchasing TOA's Mixer Power Amplifier.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
OPERATING INSTRUCTIONS
This figure represents the BG-130.
10. JUMPER WIRE SETTING ........................... 9
11. OPERATION .............................................. 10
13. VOLUME SETTING ................................... 11
14. VOLUME CONTROL COVER ................... 11
15. DIMENSIONAL DIAGRAM ........................ 11
16. SPECIFICATIONS ..................................... 12
Optional products ....................................... 12
BG-115
BG-130

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Summary of Contents for Toa BG-115

  • Page 1: Table Of Contents

    16. SPECIFICATIONS ........12 7. OUTPUT CONNECTIONS ......8 Optional products ........12 8. MUTING FUNCTION ........9 Thank you for purchasing TOA's Mixer Power Amplifier. Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.

  • Page 2: Important Safety Instructions

    1. IMPORTANT SAFETY INSTRUCTIONS • Read these instructions. • Keep these instructions. • Heed all warnings. • Follow all instructions. • Do not use this apparatus near water. • Clean only with dry cloth. • Do not block any ventilation openings. Install in accordance with the manufacturer's instructions. •...

  • Page 3: Safety Precautions

    • Should the following irregularity be found during use, immediately switch off the power, disconnect the power supply plug from the AC outlet and contact your nearest TOA dealer. Make no further attempt to operate the unit in this condition as this may cause fire or electric shock.
  • Page 4 • To prevent a fire or electric shock, never open nor remove the unit case as there are high voltage components inside the unit. Refer all servicing to your nearest TOA dealer. • Pour empêcher un incendie ou une électrocution, ne jamais ouvrir ni ne retirer le boîtier de l'appareil, en raison de la présence de pièces à...

  • Page 5: General Description

    TOA's BG-115 and BG-130 are mixer/power amplifiers, and can mix up to three signals. Rated at 15 W (BG-115) and 30 W (BG-130), these amplifiers are ideal for applications that require small sound reinforcement systems. Any microphone with impedance of less than 600 Ω can be connected.

  • Page 6: Nomenclature And Functions Front

    5. NOMENCLATURE AND FUNCTIONS [Front] This figure represents the BG-130. 5. Program input volume control [PROGRAM] 1. Power switch [ ON / OFF] Adjusts the gain of the program input. Power is switched on and off with each depression of this switch. The gain increases as the control is turned clockwise.

  • Page 7: Rear

    [Rear] 17 18 This figure represents the BG-130. 7. AC power cord 15. Bass control [BASS] Connect this cord to an AC wall outlet. Increases the low frequency response when turned clockwise, and decreases the response 8. AC outlet (Unswitched) when turned counter-clockwise.

  • Page 8: Input Connections

    The amplifier has three 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. 41 Ω (BG-115) 330 Ω (BG-115) 4 Ω...

  • Page 9: Muting Function

    [Factory-setting] The BG-115 (BG-130) is set to mute the AUX and Program inputs by the factory. To mute the Mic/Tel input instead of the AUX/Program inputs, change the position of the jumper on the internal circuit board.

  • Page 10: Operation

    12. RACK MOUNTING BRACKET ATTACHMENT To mount the BG-115 (BG-130) in a standard 19" equipment rack, use the optional MB-25B-BK or MB-25B-J Rack Mounting Kit. Before attaching the rack mounting bracket, remove each 2 frontmost screws on both sides of the amplifier.

  • Page 11: Volume Setting

    13. VOLUME SETTING 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. 14.

  • Page 12: Specifications

    16. SPECIFICATIONS Model No. BG-115 BG-130 120 V AC, 60 Hz Power Source Rated Output 15 W 30 W Power Consumption 60 W 90 W (Rated output) Frequency Response 50 Hz – 20 kHz Total Harmonic Distortion 0.5% or less, at 1 kHz, rated output...

This manual is also suitable for:

Bg-130

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