TOA DA-250FH CU - Manuals - manualsarea.com

Page 2 - TABLE OF CONTENTS

2 TABLE OF CONTENTS 1. IMPORTANT SAFETY INSTRUCTIONS .................................................... 3 2. SAFETY PRECAUTIONS ............................................................................... 4 3. GENERAL DESCRIPTION ....................................................................

Page 3 - IMPORTANT SAFETY INSTRUCTIONS; FCC REQUIREMENTS

3 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 instruc...

Page 4 - SAFETY PRECAUTIONS; Safety Symbol and Message Conventions; WARNING

4 When Installing the Unit • Do not expose the unit to rain or an environment where it may be splashed by water or other liquids,as doing so may result in fire or electric shock. • Use the unit only with the voltage specified on the unit. Using a voltage higher than that which isspecified may result...

Page 5 - When the Unit is in Use

5 shock. • When moving the unit, be sure to remove its power supply cord from the wall outlet. Moving the unitwith the power cord connected to the outlet maycause damage to the power cord, resulting in fire orelectric shock. When removing the power cord, besure to hold its plug to pull. • Do not blo...

Page 6 - GENERAL DESCRIPTION; HANDLING PRECAUTIONS

6 3. GENERAL DESCRIPTION TOA's DA-250F and DA-250FH Multichannel Power Amplifiers feature high power handling capabilities anddurability. The DA-250F is configured with 250 W x 4 channels (4 Ω output) and 170 W x 4 channels (8 Ω output), and the DA-250FH features a 250 W x 4 channels (19.6 Ω output)...

Page 7 - INSTALLATION PRECAUTIONS

7 6. INSTALLATION PRECAUTIONS • The supplied power supply cord is designed for exclusive use with this unit. Never use it with other equipment. • When mounting the unit in an equipment rack, the inside of the rack must be sufficiently ventilated. To achieve sufficient ventilation, remove all panels ...

Page 8 - NOMENCLATURE AND FUNCTIONS; When a bridge connection is made

8 7. NOMENCLATURE AND FUNCTIONS [Front] 1. Power switch [ ON/ OFF] P o w e r i s s w i t c h e d o n a n d o f f w i t h e a c hdepression of this switch. 2. Power indicator [POWER] Lights blue when the power is switched on. 3. Input volume controls [CH 1 (BRIDGE 1), CH 2, CH 3 (BRIDGE 2), CH 4] Adj...

Page 10 - Note; Button Settings and Speaker Connections

10 8. CONNECTIONS 8.1. Procedure Step 1. Switch off the unit's power. Step 2. Set the BRIDGE ON/OFF buttons and CH 1 modeON/OFF button. Step 3. Connect the sound source equipment to the Inputterminals. Note R e f e r t o p . 1 2 f o r t h e r e m o v a b l e t e r m i n a l p l u gconnection. Step 4...

Page 12 - REMOVABLE TERMINAL PLUG CONNECTION; Cautions; Cable end treatment

12 Connector connections Step 1. Loosen the terminal screw, then insert thecable. Step 2. Retighten the terminal screw. (Pull on thecable to ensure it is securely connected.) Tip Recommended slotted screwdriver type: Screwdriver with blade that is 3 mm in width Tightens Loosens Terminal screw Slotte...

Page 13 - CAUTION; Input sensitivity setting

13 10. INPUT SENSITIVITY AND HIGH-PASS FILTER ON/OFF SETTINGS The Input sensitivity can be set to +4 dB (factory-preset) or -10 dB for each channel.Besides, only the DA-250FH employs the High-pass filter on each channel, which can be set to "ON" or"OFF." These servicing instructions ...

Page 15 - CLEANING THE FILTER

15 13. CLEANING THE FILTER Step 1. Switch off the unit's power. Step 2. Remove the ventilation panel as shown in the figure. Step 3. Detach the filter inside the ventilation panel. Step 4. Clear the filter of dust. Step 5. Replace the filter and ventilation panel. Detach the panel by pressing on the...

Page 18 - DIMENSIONAL DIAGRAM

18 15. DIMENSIONAL DIAGRAM Unit: mm 482 465 400 374 20 31.8 44

Page 19 - • Accessories

19 16. SPECIFICATIONS * 0 dB = 0.775 Vrms Note: The design and specifications are subject to change without notice for improvement. • Accessories Power cord (2 m) ................................................................. 1Removable terminal plug (3P) ............................................