MB Quart QB251A Bruksanvisning

MB Quart Subwoofer QB251A

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Sida 1/12

QUARTBASS

QB201A

QB251A

USER’S MANUAL................................2

ACTIVE SUBWOOFER SYSTEM

DEU

ENG

BEDIENUNGSANLEITUNG .................7

VERS. 1.1

QUARTBASS

ENG

QB201A

QB251A

Subwoofer 20 cm (8”) ................................................................................................................................................................................

Output Power RMS ....................................................................................................................................................................125 Watts

Output Power Max. ....................................................................................................................................................................250 Watts

Lowpass Filter 50 - 150 Hz ........................................................................................................................................................................

Phase Shift 0°/180° ...................................................................................................................................................................................

Bass Boost 0 - 12 dB .................................................................................................................................................................................

Input Sensitivity ...................................................................................................................................................................... 10 V - 0,2 V

Operating Voltage ..................................................................................................................................+12 V (9 - 15 V), negative ground

Fuse Rating ....................................................................................................................................................................................... 25 A

Dimensions (W x H x L) 240 x 73 x 325 mm ...............................................................................................................................................

Subwoofer 25 cm (10”) ..............................................................................................................................................................................

Output Power RMS ....................................................................................................................................................................150 Watts

Output Power Max. ....................................................................................................................................................................300 Watts

Lowpass Filter 50 - 150 Hz ........................................................................................................................................................................

Bass Boost 0 - 12 dB .................................................................................................................................................................................

Input Sensitivity ...................................................................................................................................................................... 10 V - 0,2 V

Operating Voltage ..................................................................................................................................+12 V (9 - 15 V), negative ground

Dimensions (W x H x L) 270 x 78 x 355 mm ...............................................................................................................................................

All Speciﬁcations are subject to change.

ATTENTION: Before you start with the installation, disconnect the ground connection from the vehicle’s battery in order to prevent short

circuits. This guide is an installation aid for a proper installation of the sound system. Please read the following instructions:

• This device is only suited for a 12 volt system in a vehicle with negative ground.

• The radiated heat while operation requires sufﬁcient air circulation at the place of installation.

• Ensure the accessibility of the fuse and the operating elements after installation.

• The reliability and performance of the device depends on the quality of installation.

• Please treat all parts of the sound system and the components of your vehicle with caution.

• Follow under all circumstance the regulations of the vehicle manufacturer and do not make any modiﬁcations

on the vehicle, which could interfere the driving safety.

IMPORTANT NOTES PRIOR TO INSTALLATION

IMPORTANT INFORMATIONS

DISPOSAL

If you need to dispose the device and its components, please note that no electronic devices may be disposed with the household

waste. Dispose the device and its components at an appropriate recycling facility in accordance with local waste regulations. If

necessary, consult your local authority or dealer.

ENG

INTERCONNECTION

INSTALLATION

First connect the GND terminal of the device to an appropriate ground connection at the chassis. To ensure a good connection, remove ( 3 )

dirt and dust from the connection point. A loose connection may cause malfunctions or interferences noise and distortion.

Use at least a 10 mm2 cross-section for the power and ground connection cable. Suitable cable sets are available at the specialist shop.

Then connect the +12 V terminal of the device with the battery by using an appropriate cable including an in-line fuse. This fuse ( 2 )

should be located very close to the battery; for safety reasons not more than 30 cm away. Only insert the fuse when the installation has

been accomplished.

Then connect the remote turn-on-wire from the head unit with the device‘s REM terminal . A cable with a cross-section of 0.5 mm( 1 ) 2 is

adequate.

Choose a suitable location for your device. The permanent temperature of the location should not be lower than 5°C and not higher than

50°C. Protect the device from moisture and humidity. Ensure that your device will not get loose during the drive and hurt someone in the

passenger cabin. Use therefor the included mounting brackets (4 x) and screws (8 x). Then use self-tapping screws (not included) from the

specialist trade, to ﬁx the device in your vehicle.

Please observe not to damage any serial components of your vehicle (air bags, wires, gas tank etc.) during the installation of your device

by drilling or any other operations.

POWER SUPPLY AND TURN-ON-CONNECTION

The ampliﬁer detects a voltage rise (6 Volts) with a so called ”DC Offset” over the connected input signal on the HIGH LEVEL input when ( 5 )

the head unit will be switched on. Hence, the ampliﬁer will also be turned on. As soon as the head unit will be turned off, the ampliﬁer turns

also automatically off. In this case the turn-on connection at REM is not needed, if the switch is in position ON.( 1 ) ( 5 )

Note: The Auto Turn On-function usually works with 90% of all head units, because they are equipped with ”High Power”-outputs. Only with

a few older and still existing head units the Auto Turn On-function is not working.

AUTO-TURN-ON FUNCTION

2 4 6

3 5

Fuse with a rating of 25 A . If the fuse is defective, please replace with an equivalent fuse.( 4 )

FUSE

Produktspecifikationer

Varumärke:	MB Quart
Kategori:	Subwoofer
Modell:	QB251A

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