Toa BG-235 - User Manual

OPERATING INSTRUCTIONS
MIXER AMPLIFIERS BG-220
BG-235
1. IMPORTANT SAFETY INSTRUCTIONS .... 2
2. SAFETY PRECAUTIONS ........................... 3
3. GENERAL DESCRIPTION ......................... 5
4. FEATURES ................................................. 5
5. NOMENCLATURE AND FUNCTIONS
Front ............................................................ 5
Rear ............................................................. 6
6. CONNECTIONS
6.1. Removable Terminal Plug
Connection ........................................... 8
6.2. Input Connections ................................ 8
6.3. Output Connections .............................. 9
6.4. Manual Mute Terminal Connection ...... 9
7. MUTING FUNCTION
7.1. Manual Mute ....................................... 10
7.2. Automatic Mute .................................. 10
8. MOH OUTPUT ASSIGNMENT ................. 11
9. 2-CHANNEL BROADCAST ...................... 11
10. OPERATION ............................................. 12
11. INSTALLATION PRECAUTIONS ............. 12
12. RACK MOUNTING BRACKET
ATTACHMENT ......................................... 12
13. VOLUME SETTING .................................. 13
14. VOLUME CONTROL COVER .................. 13
15. BLOCK DIAGRAM ................................... 14
16. DIMENSIONAL DIAGRAM ....................... 15
17. SPECIFICATIONS .................................... 16
Accessories ............................................... 16
Optional products ...................................... 16
MIC/LINE 1
MIXER AMPLIFIER BG-235
BASS
010 010 010
TREBLE
LINE 2 LINE 3
SIGNAL PEAK POWER
ON
OFF
Thank you for purchasing TOA's Mixer Amplifiers.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
TABLE OF CONTENTS

Summary

Important Safety Instructions

Safety Precautions

General Description

Features

Nomenclature and Functions

Connections

Removable Terminal Plug Connection

Procedure for wiring and inserting the supplied removable terminal plug into the unit's rear panel.

Input Connections

Details on connecting input sources to the amplifier, including specific instructions for Microphone/Line 1.

Output Connections

Guidance on connecting speakers, MOH output, and line output terminals, including impedance details.

Manual Mute Terminal Connection

Instructions for connecting the manual mute terminals to mute Receive inputs.

Muting Function

Manual Mute

How to mute Line 2 and/or Line 3 inputs using the manual mute terminals.

Automatic Mute

How to automatically mute Line 2 and/or Line 3 inputs when MIC/LINE 1 input receives audio signals.

MOH Output Assignment

2-Channel Broadcast

Operation

Installation Precautions

Rack Mounting Bracket Attachment

Volume Setting

Volume Control Cover

Block Diagram

Dimensional Diagram

Specifications

Toa BG-235 Specifications

General

Power Output	35W
Power Source	AC 120 V, 60 Hz
Rated Output	35 W
Frequency Response	50 Hz - 20 kHz (±3 dB)
Total Harmonic Distortion	1% or less
Output	4Ω - 16Ω
S/N Ratio	60dB or more
Tone Control	Bass: ±10dB (100Hz), Treble: ±10dB (10kHz)
Input Impedance	MIC: 600 Ω, AUX: 10 kΩ
Output Impedance	4Ω - 16Ω
Power Supply	AC 120 V, 60 Hz