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1. OKUR 

AMPLIFIER’S

 SPECIFICATION

1-1. OKUR digital monoblock amplifiers

Working Voltage

Frequency Response

Signal to Noise Ratio

Damping Factor

Low Level Input

Low Pass Filter  

( @ 24dB Slope )

Bass Boost @ 45Hz

Subsonic Filter

( @ 24dB slope )

Phase Shift

Master/slave ( Linkable )

Remte Level Control

RCA line Output

Minimum working impedance 

OKUR

Load 

      

Voltage & THD

4ohm      14.4 volts & 1% 

2ohm      14.4 volts & 1%

1ohm      14.4 volts & 1%

A7 750.1

1 X 175

1 X 375

1 X 750

A71100.1

1 X 225

1 X 550

1 X 1100

A7 1500.1

1 X 375

1 X 750

1 X 1500 

A7 2000.1

1 X 740

1 X 1300

1 X 2200

A7 2500.1

1 X 1300

1 X 2350

1 X 4300

8.5~16 Volts 

20Hz ~ 250Hz

< 100dB

250 < 

6V ~ 0.2V

Variable 35Hz ~ 250Hz

Vairable 0 ~ 9dB

Variable 10Hz ~ 50Hz

Variable 0 ~ 180 degree

Yes

Yes

Yes

1 ohm for single unit

2 ohm for linked

1-2. OKUR 2 and 4channel class AB amplifiers 

Frequency Response

Signal to Noise Ratio

Damping Factor

Low Level Input

High Pass Filter 

( @ 18dB Slope )

Crossover Selector

Low Pass Filter

( @ 18dB Slope )

Bass Boost @ 45Hz

Input Mode Selector

Remote Level Control

RCA line Output

Minimum working impedance

Load  

Voltage & THD

4ohm

14.4 volts & 1% 

2ohm

14.4 volts & 1%

4ohm bridegd       14.4 volts & 1%

A7 75.4

4 X 60

4 X 90

2 X 180

A7 125.4

         A7 300.2

4 X 110         2 x  300

4 X 170         2 x  450

2 X 340         1 x  600

20Hz ~ 30KHz

105dB

200 < 

6V ~ 0.2V

Variable 50Hz ~ 5KHz

HP-FULL-LP / BP

Vairable 50Hz ~ 500Hz

Variable 0 ~ 18dB

CH2 - CH4

Yes

Yes

2 ohm stereo or 4 ohm mono.

Summary of Contents for OKUR A7125.4OKUR A7300.2OKUR A7750.1OKUR A71100.1OKUR A71500.1OKUR A72000.1OKUR A72500.1

Page 1: ...nual Instalation Instructions Owners Manual Due to continuous improvement of the product the Specifications are subject to change without notice A775 4 A7125 4 A7300 2 A7750 1 A71100 1 A71500 1 A72000...

Page 2: ...8 5 16 Volts 20Hz 250Hz 100dB 250 6V 0 2V Variable 35Hz 250Hz Vairable 0 9dB Variable 10Hz 50Hz Variable 0 180 degree Yes Yes Yes 1 ohm for single unit 2 ohm for linked 1 2 OKUR 2 and 4channel class...

Page 3: ...the speaker outputs PHASE 0 180 degree It control phase from 0 180 degree OUTPUT MASTER INPUT SLAVE OUTPUT MASTER INPUT SLAVE connection makes OKUR digital amplifiers as daisy chain connection to 2 oh...

Page 4: ...cting multiple amplifer to the same RCA signal GND GROUND CONNECTION It is connected to the Negative or ground cables of the Vehicle Recommended wire is 4 gauge for A7300 2 A775 4 A7125 4 REM REMOTE C...

Page 5: ...mage to amplifier and audio system A775 4 A7125 4 A7300 2 A7750 1 A71100 1 and A71500 1 are designed to use minimum 4 gauge power and ground cables A72000 1 A72500 1 are designed to use minimum 0 gaug...

Page 6: ...als on each speaker Strip 3 8 of insulation from the end of each cable and twist the cables strands together tightly Make sure there are no stray strands that might touch other cables or terminals and...

Page 7: ...R CONNECTION DIAGRAM 2 8 2 ohms 8 2 ohms OKUR 4CHANNEL AMPLIFIERS SPEAKER CONNECTION DIAGRAM 1 8 2 ohms 8 2 ohms 8 2 ohms 8 2 ohms CAUTION A7300 2 A775 4 A7125 4 Amplifiers minimum impedance is 2 ohms...

Page 8: ...8 4 ohms OKUR 4CHANNEL AMPLIFIERS SPEAKER CONNECTION DIAGRAM 2 8 2 ohms 8 2 ohms OKUR 4CHANNEL AMPLIFIERS SPEAKER CONNECTION DIAGRAM 3 8 2 ohms 8 2 ohms 8 2 ohms 8 2 ohms 8 4 ohms...

Page 9: ...ter amplifier to the head unit and set its output master and input slave switch to output master position Step 2 Connect the master and slave amplifiers in daisy chain Rca jack as shown in the diagram...

Page 10: ...CAUTION A7750 1 A71100 1 A71500 1 A72000 1 A72500 1 Amplifiers Linked minimum impedance is 2 ohms Remote turn on 12V Ground BATTERY Ground MASTER AMPLIFIER SLAVE AMPLIFIER 8 2 ohms...

Page 11: ...edance for all Class D mono amplifiers is 1 ohm for single unit and 2 ohm for linked operation 3 If the OKUR amplifiers are shut down due to overheat Reset by turning off the remote input and alowing...

Page 12: ...This limited warranty does not extend to units that have been subjected to misuse abuse neglect or accident Products that in DB DRIVE s judgment shows evidence of having been altered modified abused o...

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