Toa DA-500F-HL CU - User Manual

OPERATING INSTRUCTIONS
MULTICHANNEL POWER AMPLIFIERS
DA-550F CU
DA-500F-HL CU
Thank you for purchasing TOA's Multichannel Power Amplifier.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
1. IMPORTANT SAFETY INSTRUCTIONS ... 2
2. SAFETY PRECAUTIONS ........................... 3
3. GENERAL DESCRIPTION ......................... 4
4. FEATURES ................................................. 4
5. HANDLING PRECAUTIONS ...................... 5
6. INSTALLATION PRECAUTIONS .............. 5
7. NOMENCLATURE AND FUNCTIONS
Front ............................................................ 6
Rear ............................................................ 7
8. SETTINGS AND CONNECTIONS ............... 9
8.1. Switch Settings and Speaker Connections ... 10
9. REMOVABLE TERMINAL PLUG
CONNECTION ........................................... 12
10. INPUT SENSITIVITY SETTING ................. 13
11. PROTECTION OPERATION LIST ............ 13
12. TAMPER-PROOF CAP ATTACHMENT ... 14
13. CLEANING THE FILTER .......................... 14
14. DIMENSIONAL DIAGRAM ........................ 14
15. BLOCK DIAGRAMS
15.1. DA-550F ............................................ 15
15.2. DA-500F-HL ...................................... 15
16.
HOW TO USE THE CONTROL/MONITOR TERMINALS
16.1. Control Terminal (Input) .................... 16
16.2. Monitor Terminal (Output) ................. 16
16.3. About Pin 7 of the Control/Monitor
Terminals .......................................... 17
16.4. Terminal Pin Arrangement ................ 17
16.5. Connection Cable and
Maximum Cable Length .................... 17
16.6. RJ45 Connector's Pin Arrangement
and Cable Color Codes ..................... 18
17. SPECIFICATIONS
17.1. DA-550F CU ..................................... 19
17.2. DA-500F-HL CU ................................ 20
TABLE OF CONTENTS

Summary

1. Important Safety Instructions

FCC Compliance Requirements

Details FCC regulations and US operational guidelines.

Canadian ICES-003 Compliance

States compliance with Canadian digital apparatus standards.

2. Safety Precautions

Safety Symbol and Message Conventions

Explains safety symbols and messages used in the manual.

3. General Description

4. Features

5. Handling Precautions

6. Installation Precautions

7. Nomenclature and Functions

Front Panel Components Overview

Identifies and explains front panel controls and indicators.

Rear Panel Connections and Switches

Details rear panel connectors, power cord, and switches.

Additional Rear Panel Controls

Describes CH 1 mode, ground terminal, and HPF switches.

8. Settings and Connections

Switch Settings and Speaker Connections

Details switch configurations and speaker wiring for various modes.

9. Removable Terminal Plug Connection

Cable End Treatment

Specifies preparation of shielded audio signal cables.

Connector Connections

Step-by-step guide for connecting terminal plugs.

10. Input Sensitivity Setting

Bridge Connection Sensitivity Setting

How to set sensitivity for bridged channels.

11. Protection Operation List

12. Tamper-Proof Cap Attachment

13. Cleaning the Filter

14. Dimensional Diagram

15. Block Diagrams

DA-550 F Block Diagram

Illustrates internal circuitry of the DA-550F model.

DA-500 F-HL Block Diagram

Illustrates internal circuitry of the DA-500F-HL model.

16. How to Use Control;Monitor Terminals

Control Terminal (Input)

Details input for remote power ON/OFF control.

Monitor Terminal (Output)

Details output for status monitoring.

About Pin 7 of the Control;Monitor Terminals

Explains the common ground pin for control/monitor terminals.

Terminal Pin Arrangement

Shows pin assignments for control/monitor terminals.

Connection Cable and Maximum Cable Length

Specifies cable type and length for terminal connections.

RJ45 Connectors Pin Arrangement and Cable Color Codes

Details RJ45 connector pinout and wire color standards.

17. Specifications

DA-550 F CU Specifications

Technical specifications for the DA-550F CU model.

DA-500 F-HL CU Specifications

Technical specifications for the DA-500F-HL CU model.

Toa DA-500F-HL CU Specifications

General

Input Impedance	10 kΩ (electronically balanced)
Frequency Response	20Hz-20kHz (+0/-1dB)
Signal-to-Noise Ratio	>100dB
Power Source	AC 100V/120V/220V/240V, 50/60Hz
S/N Ratio	>100dB
Operating Temperature	+40 ℃
Input Voltage	AC 100 V - 240 V, 50/60 Hz
Total Harmonic Distortion	0.1 % (at 1 kHz, Rated power)
Protection Circuit	DC, overcurrent, thermal, short circuit