DB Research OKUR OFR2000.1D User Manual
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DB Research OKUR OFR2000.1D User Manual

Full range class d monoblock amplifier
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• OFR2000.1D
• OFR3000.1D
FULL RANGE CLASS D
MONOBLOCK AMPLIFIER
Installation Instructions | Owner's Manual
Due to continuous improvement of the product, specifications are subject to change without notice.
USER MANUAL
www.okurelectronics.com
OFR4000.4D
Full Range Class D
4 Channel Amplifier
• OFR3000.4D
• OFR4000.4D
FULL RANGE CLASS D
4 CHANNEL AMPLIFIER

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Summary of Contents for DB Research OKUR OFR2000.1D

  • Page 1 OFR4000.4D Full Range Class D 4 Channel Amplifier • OFR2000.1D • OFR3000.4D • OFR3000.1D • OFR4000.4D FULL RANGE CLASS D FULL RANGE CLASS D MONOBLOCK AMPLIFIER 4 CHANNEL AMPLIFIER USER MANUAL Installation Instructions | Owner’s Manual www.okurelectronics.com Due to continuous improvement of the product, specifications are subject to change without notice.
  • Page 2 OKUR AMPLIFIERS SPECIFICATION OKUR AMPLIFIERS SPECIFICATION OKUR - FULL RANGE CLASS D MONOBLOCK AMPLIFIERS 1-1. Load Voltage & THD OFR2000.1D OFR3000.1D 4Ω Mono 14.4 Volts & 1% 1 X 500 1 X 750 2Ω Mono 14.4 Volts & 1% 1 X 1000 1 X 1500 1Ω...
  • Page 3 OKUR AMPLIFIERS SPECIFICATION OKUR - FULL RANGE CLASS D 4 CHANNEL AMPLIFIERS 1-1. Load Voltage & THD OFR3000.4D OFR4000.4D 4Ω Stereo 14.4 Volts & 1% 4 X 325 4 X 500 1Ω Stereo 14.4 Volts & 1% 4 X 750 4 X 1000 2Ω...

  • Page 4: Installation

    In case you install the OKUR amplifiers by yourself, please read owner's manual very carefully before your installation. Please take all steps into consideration or you can have OKUR or DB Research's authorized dealer to check installation and set your car audio systems.
  • Page 5 OKUR AMPLIFIERS CONTROL & CONNECTION GND ( GROUND CONNECTION ) Locate a secure grounding connection as close to the amplifier as possible. Make sure the location is clean and provides a direct electrical connection to the frame of the vehicle. Connect one end of a short piece of the same gauge cable as the power cable to the grounding point.
  • Page 6 OKUR MONOBLOCK CONNECTION DIAGRAMS OKUR FULL RANGE CLASS D MONOBLOCK AMPLIFIERS’ SPEAKER CONNECTION DIAGRAM 1. OFR20001.D & OFR3000.1D amplifiers Minimum impedance is 1Ω. 1Ω Minimum Minimum working voltage : 10V - 15Volts 8 ~ 1Ω OKUR FULL RANGE CLASS D MONOBLOCK AMPLIFIERS’ SPEAKER CONNECTION DIAGRAM 2. 8 ~ 2Ω...
  • Page 7 OKUR 4CHANNEL CONNECTION DIAGRAMS FULL RANGE CLASS D 4 CHANNEL AMPLIFIERS SPEAKER CONNECTION DIAGRAM 1 8 ~ 2Ω 8 ~ 2Ω 8 ~ 2Ω 8 ~ 2Ω OFR4000.4D and OFR3000.4D working voltage is 10 ~ 15 volts Minimum working impedance is 1Ω...

  • Page 8: Troubleshooting

    TROUBLE SHOOTING NO SOUND ( NO OUTPUT ) 1) Please check all connections, cables’ routing, short and voltage at amplifiers and head unit. OKUR 2) Please check built-in or external fuses, If it is blown, please replace with new one. 3) Please check whether speakers work well, you can test speakers by connecting to another amplifiers.

This manual is also suitable for:

Okur ofr3000.1dOkur ofr3000.4dOkur ofr4000.4d

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