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MULTICHANNEL POWER AMPLIFIERS
DA-250F CE301
DA-250F CE-GB
DA-250F CE-AU
DA-250F
DA-250FH
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.
OPERATING INSTRUCTIONS
DA-250FH CE301
DA-250FH CE-GB
DA-250FH CE-AU
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Summary of Contents for Toa DA-250F CE301
- Page 1 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.
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Page 2: Table Of Contents
11. CLEANING THE FILTER ................14 12. DIMENSIONAL DIAGRAM ................15 13. BLOCK DIAGRAMS 13.1. DA-250F ......................16 13.2. DA-250FH ......................17 14. SPECIFICATIONS 14.1. DA-250F CE301, DA-250F CE-GB, DA-250F CE-AU ........18 14.2. DA-250FH CE301, DA-250FH CE-GB, DA-250FH CE-AU ......19... -
Page 3: Safety Precautions
AC cord itself. Operating the unit with a damaged outlet and contact your nearest TOA dealer. Make power supply cord may cause a fire or electric no further attempt to operate the unit in this shock. - Page 4 • Contact your TOA dealer as to the cleaning. If dust is allowed to accumulate in the unit over a long • To avoid electric shocks, be sure to first turn off this period of time, a fire or damage to the unit may unit's power switch when connecting speakers.
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Page 5: General Description
2. GENERAL DESCRIPTION TOA's DA-250F and DA-250FH Multichannel Power Amplifiers feature high power handling capabilities and durability. 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 (100 V line, 40 Ω output) configuration. Besides, the DA-250F's output is made available for bridge connection, allowing it to be used as a 500 W (8 Ω) x 2... -
Page 6: Installation Precautions
Do not use them for other racks. CAUTION When installing the unit in a rack other than that of TOA, be sure to use the screws with a diameter of over 5 mm and length of over 12 mm to mount the unit. -
Page 7: Nomenclature And Functions Front
6. NOMENCLATURE AND FUNCTIONS [Front] DA-250F DA-250FH 4. Ventilation panel (Air Vent) 1. Power switch [ ON / OFF] A filter is located inside the ventilation panel. Turning this switch on causes the amplifier to To clean the filter, remove the ventilation panel. function, and turning it off causes the amplifier to (See p. -
Page 8: Rear
[Rear] DA-250F DA-250FH 6. AC inlet • 2-channel output mode Set both BRIDGE 1 and 2 switches to ON. Connect the supplied power cord to this inlet. The socket-outlet shall be installed near the Note equipment and the plug (disconnecting device) Be sure to first turn off the Power switch (1) shall be easily accessible. -
Page 9: Settings And Connections
7. SETTINGS AND CONNECTIONS CH 1 mode ON/OFF switch BRIDGE 2 ON/OFF switch BRIDGE 1 ON/OFF switch (DA-250F only) (DA-250F only) [Rear panel] Speaker output terminals Input terminals (with a terminal cover) Note: The figure shows the DA-250F. Step 1. Turn off this unit's Power switch. Step 2. - Page 10 [1 input - 4 outputs] Switch Setting BRIDGE 1 Speaker output terminals BRIDGE 2 4 – 8 Ω CH 1 mode – 4 – 8 Ω – 4 – 8 Ω – 4 – 8 Ω – [2 inputs - 2 outputs] Switch Setting BRIDGE 1...
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Page 11: When Using The Da-250Fh
[1 input - 3 outputs (1)] Switch Setting BRIDGE 1 Speaker output terminals BRIDGE 2 BRIDGE 2 4 – 8 Ω CH 1 mode – 4 – 8 Ω – 8 Ω – [1 input - 3 outputs (2)] Switch Setting BRIDGE 1 Speaker output terminals... -
Page 12: Removable Terminal Plug Connection
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. •... -
Page 13: Protection Operation List
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. -
Page 14: Cleaning The Filter
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 Detach the panel by pressing on the left or right sides. -
Page 15: Dimensional Diagram
12. DIMENSIONAL DIAGRAM Unit: mm... -
Page 16: Block Diagrams
13. BLOCK DIAGRAMS 13.1. DA-250F... -
Page 17: Da-250Fh
13.2. DA-250FH... -
Page 18: Specifications
14. SPECIFICATIONS 14.1. DA-250F CE301, DA-250F CE-GB, DA-250F CE-AU Power Source 220 – 240 V AC, 50/60 Hz Amplification system Class D Power Consumption 200 W (based on EN standards) 1200 W (rated output 4 Ω x 4) 800 W (rated output 8 Ω x 4) Input 4 circuits, +4 dB* (1.23 V, input level control in maximum position),... -
Page 19: Da-250Fh Ce301, Da-250Fh Ce-Gb, Da-250Fh Ce-Au
14.2. DA-250FH CE301, DA-250FH CE-GB, DA-250FH CE-AU Power Source 220 – 240 V AC, 50/60 Hz Amplification system Class D Power Consumption 200 W (based on EN standards) 1150 W (rated output 100 V line, 40 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) CH 1 mode ON/OFF switch (ON: CH 1 to All ch, OFF: Each ch) - Page 20 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/ 133-22-238-2A...
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