Vector DA-250DH CU - Manuals

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 • 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. • Avoid installing ...

Page 6 - GENERAL DESCRIPTION; HANDLING PRECAUTIONS

6 3. GENERAL DESCRIPTION TOA's DA-250D and DA-250DH Dual Power Amplifiers feature high power handling capabilities and durability.The DA-250D is configured with 250 W x 2 channels (4 Ω output) and 170 W x 2 channels (8 Ω output), and the DA-250DH features a 250 W x 2 channels (19.6 Ω output) configu...

Page 7 - CAUTION; INSTALLATION PRECAUTIONS

Rack mounting screws are not supplied with the unit. Be sure to use the screws with a diameter of over 5 mm (0.2") andlength of over 12 mm (0.47") to mount the unit.Failure to do so may cause personal injury. CAUTION 6. INSTALLATION PRECAUTIONS 7 • The supplied power supply cord is designed ...

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

8 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 level controls [CH 1/BRIDGE, CH 2] Adjust the input level of each channel. 4. Ventilation panel (Air Ve...

Page 9 - • 2-channel input mode; Note

9 [Rear] 6 7 9 10 11 DA-250D DA-250DH 8 6 7 9 10 11 8 6. AC inlet Connect the supplied power cord to this inlet. 7. Functional ground terminal [SIGNAL GND] Hum noise may be generated when externalequipment is connected to the unit. Connectingthis terminal to the functional ground terminal ofthe exte...

Page 10 - SETTINGS AND CONNECTIONS

10 Step 1. Switch off the unit's power. Step 2. Set the BRIDGE ON/OFF switch and CH 1 mode ON/OFF switch. Step 3. Connect the sound source equipment to the Input terminals. Note: Refer to p. 12 for the removable terminal plug connection. Step 4. Connect speakers to the Speaker output terminals. 4-1....

Page 11 - Switch Settings and Speaker Connections

11 CH2 CH1 Speaker output terminals Switch BRIDGE CH 1 mode OFF OFF Setting 4 – 8 Ω 4 – 8 Ω 19.6 Ω 19.6 Ω CH1 CH1 CH2 CH2 DA-250D DA-250DH [2 inputs - 2 outputs] (factory-preset) Speaker output terminals Switch BRIDGE CH 1 mode ON OFF Setting 8 Ω 39.2 Ω CH1 CH1 CH2 DA-250D DA-250DH CH2 CH1 Speaker o...

Page 12 - Tip; REMOVABLE TERMINAL PLUG CONNECTION

Cable end treatment 12 Connector connections Step 1. Loosen the terminal screw, then insert the cable. Step 2. Retighten the terminal screw. (Pull on the cable to ensure it is securely connected.) Tip Recommended slotted screwdriver type: Screwdriver with blade that is 3 mm (0.12") in width Tigh...

Page 13 - Input sensitivity setting; When a bridge connection is made

13 The Input sensitivity can be set to +4 dB (factory-preset) or -10 dB for each channel.Besides, only the DA-250DH employs the High-pass filter on each channel, which can be set to "ON" or "OFF." Step 1. Unscrew 7 screws securing the top cover of the unit, then detach it. Step 2. Ch...

Page 14 - PROTECTION OPERATION LIST

14 11. PROTECTION OPERATION LIST Failure Protection Operation Indicator Remedy Recovery Overcurrent due to overload Current limiter activated when impedance drops below the specified value. Peak indicator lights. Remove overload. Connecting a correct load automatically restores normal operation. Sho...

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. Ventilation Panel 2 3 Filter Ventil...

Page 17 - DIMENSIONAL DIAGRAM

17 15. DIMENSIONAL DIAGRAM Unit: mm (inches) 401.8 (15.82) 371 (14.61) 22.5 (0.89) 482 (18.98) 465 (18.31) 442 (17.4) 31.8 (1.25) 44 (1.73)

Page 18 - • Accessories

18 * 0 dB = 0.775 V Note: The design and specifications are subject to change without notice for improvement. Power cord (2 m) ................................................................. 1Removable terminal plug (3 pins) ........................................ 2Tamper-proof cap .................