AB450 - Car stereo Auna - Free user manual and instructions
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USER MANUAL AB450 Auna
Unit 6 Riverside Business Centre
Brighton Road
Shoreham-by-Sea
BN43 6RE
United Kingdom
Dear Customer,
Congratulations on purchasing this product. Please read and follow these instructions, in order to avoid damaging the item. We do not cover any damages that may arise from improper use of the item or the disregard of the safety instructions.
Safety Advice
- Read all instructions before using.
- To protect against a fire, electric shock or personal injury, do not immerse cord, electric plugs or device in water or other liquids.
- Do not expose the appliance to extreme temperatures. The appliance shall be used in moderate climates.
- The use of attachments that are not recommended by the appliance manufacturer may result in fire, electric shock or personal injury.
- Do not open the unit by removing any cover parts. Do not attempt to repair the unit. Any repairs or servicing should be done by qualified personnel only.
- Only qualified persons may perform technical work on the product. The product may not be opened or changed. The components cannot be serviced by the user. The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications.
- The appliance is not a toy. Do not let children play with it. Never let children insert foreign objects into the appliance.
- Never clean the surface of the device with solvents, paint thinners, cleansers or other chemical products. Instead, use a soft, dry cloth or soft brush.
- This appliance is to be used with 12V car power supply.
- Save these instructions.
Small objects: Keep small objects (i.e. screws, mounting material, memory cards etc.) and packaging out of the range of children. Do not let Children play with foil. Choking hazard!
Transporting the device: Please keep the original packaging. To gain sufficient protection of the device while shipment or transportation, make sure to put it back in its original packaging.
Cleaning the surface: Do not use any volatile liquids, detergents or the like. Use a clean dry cloth.
- Because og high power unit, approx 15A will be drained at peak power. Using the unit while the engine is stopped may totally discharge the battery. Please run the engine when using the unit.
- Because of large current flows, please use power supply cord of sufficient capacity if required (larger than 3mm square.)
- This unit is designed of use with the speakers 2 16 impedance. The speakers must have enough capacity to accept the high power of the unit. Please carefully confirm the rating of the speaker before connection.
Technical Data
| Item # | 10000849 | AB-450 | 90W x 4 CH | 20Hz - 20KHz @ 2 Ohms |
| 10001277 | AB-250 | 90W x 2 CH | ||
| 10001278 | AB-650 | 90W x 6 CH | ||
| Frequency response | 20Hz - 20KHz @ 1dB | |||
| Low pass filter | adjustable (30-250Hz) | |||
| Input sensitivity | High Input: 1.0 - 2.0V impedance 100 Ω Low Input: 0.1 - 1.0V Impedance 10 KΩ | |||
| Power supply | DC 14.4V | |||
| Dimensions | 35 x 5 x 25,5cm (WxHxD) | |||
| Abmessungen / Gew. | 10000849 | 35 x 5 x 25,5cm (BxHxT) | ca. 2,1kg | |
| 10001277 | 25 x 5,2 x 24,5cm (BxHxT) | ca. 1,8kg | ||
| 10001278 | 36 x 5,2 x 24,5cm (BxHxT) | ca. 2,5kg | ||
| Included | Device, 2 x high gain cables, mounting material, replacement fuse, user manual | |||
Mounting
CAUTION: This device heats up when in use. Leave some space around it for air circulation. Do not cover when in use.

Connections 10000849

Car Hifi Connection:

Connection of Speakers and Car Battery:
Connections 10001277

Car Hifi Connection:

Connection of Speakers and Car Battery:

Connections 10001278

Car Hifi Connection:

Connection of Speakers and Car Battery:

Connecting the Power Source
Attach the red cable with the positive terminal (+) of your car battery.
Attach the black cable to any metal part of the car chassis or motor.
Connecting the Remote On/Off Wire
Connect the orange wire to a switched power cord of the car stereo to be connected to this unit will control the unit power on/off with the car stereo.
The switched power cord may be obtained an auto antenna cord of the car stereo.
High-Input Connection
This unit can be connected to any car stereo with high level outputs, common or separated ground outputs.
Connect the Speaker-Out cables of your car stereo to the supplied High Level adaptor as shown below. Connect the HIGH LEVEL INPUT connector wires to the speaker level as in this diagram. Channels 3 and 4 use the color coding as shown. Use #18 or thicker stranded, insulated hookup wire.

Separated ground car stereo connection: Connect car stereo speaker output cables to the high level input connector (+) and (-), right and left polarity.
Common ground car stereo connection: Connect car stereo speakers negative output cable to the high level input connector to the two signs (-) and the remaining cables to (+) right and left.
Low-Input Connection
Use the RCA outputs of your car stereo (if available) to conveniently connect the stereo to the AB-450, using standard RCA cables. Make sure to connect the correspondingly marked inputs and outputs.
AUX Connection
Connect the AUX input wires with RCA type pin jack as follows:
- White to L Ch pre-output of the car stereo.
Red to R Ch pre-output of the car stereo.
Before connecting the pre-output of the car stereo or other unit, confirm the impedance or sensitivity to match with this unit AUX input.
DISPOSAL CONSIDERATIONS

If there is a legal regulation for the disposal of electrical and electronic devices in your country, this symbol on the product or on the packaging indicates that this product must not be disposed of with household waste. Instead, it must be taken to a collection point for the recycling of electrical and electronic equipment. By disposing of it in accordance with the rules, you are protecting the environment and the health of your fellow human beings from negative consequences. For information about the recycling and disposal of this product, please contact your local authority or your household waste disposal service.
MANUFACTURER & IMPORTER (UK)
CE UK CA
Chal-Tec GmbH, Wallstrasse 16, 10179 Berlin, Germany.
Importer for Great Britain:
Chal-Tec UK limited
Unit 6 Riverside Business Centre
Brighton Road
Shoreham-by-Sea
BN43 6RE
United Kingdom
Chere cliente, cher client,
Chal-Tec UK limited
Unit 6 Riverside Business Centre
Brighton Road
Shoreham-by-Sea
BN43 6RE
United Kingdom
Wir, die
CHAL-TECGmbH
Wallstraße 16
10179 Berlin