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An all-pole mains switch with a contact separation of at least 3 mm in each pole shall be incorporated in the electrical installation of the building. 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.
AC • When moving the unit, be sure to remove its power outlet and contact your nearest TOA dealer. Make supply cord from the wall outlet. Moving the unit no further attempt to operate the unit in this with the power cord connected to the outlet may condition as this may cause fire or electric shock.
2. GENERAL DESCRIPTION TOA's DA-550F Multichannel Power Amplifier features high power handling of 550 W x 4 channels (4 Ω output) or 350 W x 4 channels (8 Ω output) and durability. Besides, its channels 1 and 2, and 3 and 4 are made available for bridge connection individually, allowing it to be used as a 1,100 W (8 Ω) x 2 channels...
The supplied rack-mounting screws can be used for the TOA equipment rack only. Do not use them for other racks. When installing the unit in a rack other than that of TOA, be sure to use CAUTION the screws with a diameter of over 5 mm and length of over 12 mm to mount the unit.
6. NOMENCLATURE AND FUNCTIONS [Front] DA-550F DA-500FH 1. Power switch [ON/OFF] 4. Ventilation panel (Air Vent) Turning this switch on causes the amplifier to A filter is located inside the ventilation panel. function, and turning it off causes the amplifier to To clean the filter, remove the ventilation panel.
[Rear] DA-550F DA-500FH 6. AC inlet • 4-channel output mode Set both BRIDGE 1 and 2 switches to OFF. Connect the supplied power cord to this inlet. (factory-preset) The socket-outlet shall be installed near the equipment and the plug (disconnecting device) •...
8. REMOVABLE TERMINAL PLUG CONNECTION Cautions • Be sure to use shielded cables for audio signal lines. • Avoid soldering cable conductor, as contact resistance may increase when the cable is tightened and the solder is crushed, possibly resulting in an excessive rise in joint temperatures. •...
(over 80°C) Abnormal DC Load disconnected. Protection indicator Contact the TOA dealer where the unit was voltage output lights. purchased. 10. TAMPER-PROOF CAP ATTACHMENT To protect the input level control from accidental operation, it is recommended to replace the control knob with the supplied tamper-proof cap as illustrated.
11. CLEANING THE FILTER Step 1. Turn off this unit's Power switch. 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 Ventilation Panel Detach the panel by pressing...
14. HOW TO USE THE CONTROL/MONITOR TERMINALS The Control/Monitor terminals on the rear panel permit power ON/OFF control of the individual channels and monitoring for the power ON/OFF status and protection status on each channel, and fan operation status. Prepare the control panel and status monitor display panel separately referring to the descriptions below. Notes •...
14.3. About Pin 7 of the Control/Monitor Terminals A ground common to all the control and monitor terminals is assigned to Pin 7. Both Pins 7 of the Control/Monitor terminal for CH1 and CH2, and that for CH 3 and CH4 are internally connected to each other.
14.6. RJ45 Connector's Pin Arrangement and Cable Color Codes To Control/Monitor terminal Cable color Cable color RJ45 pin No. (for T568B) (for T568A) RJ45 pin No. Orange/white Green/white Orange Green Green/white Orange/white Blue Blue Blue/white Blue/white Green Orange Brown/white Brown/white Brown Brown Shield...
15. SPECIFICATIONS 15.1. DA-550F CE301, DA-550F CE-GB, DA-550F CE-AU Power Source 220 – 240 V AC, 50/60 Hz Amplification system Class D Power Consumption 480 W (based on EN standards), 2750 W (rated output 4 Ω x 4), 1550 W (rated output 8 Ω x 4) Input 4 circuits, +4 dB* (1.23 V, input level control in maximum position),...
15.2. DA-500FH CE301, DA-500FH CE-GB, DA-500FH CE-AU Power Source 220 – 240 V AC, 50/60 Hz Amplification system Class D Power Consumption 460 W (based on EN standards), 2350 W (rated output 100 V line, 20 Ω x 4) Input 4 circuits, +4 dB* (1.23 V, input level control in maximum position), 10 kΩ, electronically-balanced, Removable terminal block (3 pins), XLR-3-31 type connector...
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Traceability Information for Europe (EMC directive 2004/108/EC) Manufacturer: Authorized representative: TOA Corporation TOA Electronics Europe GmbH 7-2-1, Minatojima Nakamachi, Chuo-ku, Kobe, Hyogo, Suederstrasse 282, 20537 Hamburg, Japan Germany URL: http://www.toa.jp/ 133-22-237-7A...
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