Alphard DB-310 D1 Owner'S Manual Download Page 10

Products which are marked with a wheeled bin with an X through it can not be disposed of together with ordinary 

domestic waste. These electrical and electronic products must be recycled in proper facilities, capable of managing the 
disposal of these products and components. In order to know where and how to deliver these products to the nearest 
recycling/disposal site please contact your local municipal office. Recycling and disposing of waste in a proper way 
contributes to the protection of the environment and to prevent harmful effects on health.

1 0 . I N F O R M A T I O N  O N  E L E C T R I C A L  A N D  E L E C T R O N I C  E Q U I P M E N T
W A S T E  ( F O R  T H O S E  E U R O P E A N  C O U N T R I E S  W H I C H  O R G A N I Z E
T H E  S E P A R A T E  C O L L E C T I O N  O F  W A S T E )

EN

9 . W A R R A N T Y  A N D  M A I N T E N A N C E I N F O 

Alphard products are warranted, under normal functioning conditions, for the period of time as set by the laws in 

force, against defects concerning materials or their manufacturing. The warranty is valid from the date of purchase, 
certified by receipt. The warranty is not valid if:

∙ the product is damaged by incidents, installations and/or improper use, or by any other causes not depending on 

materials or manufacturing defects;

∙ the product is modified or tampered with by unauthorised people;
∙ its serial number has been altered or removed.
While the product is under warranty, defective parts will be repaired or replaced at the manufacturer's discretion. The 

defective product, along with notification about it, must be returned to the dealer from which it was purchased together 
with the warranty certificate duly filled in,

. If the product is no longer under 

 

complete with the original packaging

warranty, it will be repaired at the current costs.

Alphard does not undertake any liability for damages due to transportation. Alphard does not take any responsibility 

for: costs or loss of profit due to the impossibility to use the product, other accidental or consequential costs, expenses or 
damages suffered by the customer. Warranty according to laws in force. For more information visit the Alphard website.

 

The manufacturer reserves the right to change design and specification without prior notice.

http://alphard.audio

Summary of Contents for DB-310 D1

Page 1: ...DEAF BONCE SERIES OWNER S MANUAL CAR SUBWOOFER DB 310 D1 D2 DB 312 D1 D2 DB 315 D1 D2 DB 318 D1 D2 http alphard audio...

Page 2: ...ng diagrams 4 Required design parameters 5 How to use 6 Speci cations 7 Dimensions 8 Box contents 9 Warranty and maintenance info 10 Information on disposal of the electrical and electronic equipment...

Page 3: ...her important construction elements under a selected area or inside it 9 When stretching back the speaker cables make sure that they are not in contact with sharp edges or moving mechanical devices Ma...

Page 4: ...BWOOFER VOICE COIL 1 1 2 2 Ohm ONE SUBWOOFER COILS IN SERIES Voice coil Total impedance Voice coil Total impedance Sub 1 Sub 2 Sub 3 Total resistance 1 1 1 1 2 2 Ohm 2 Ohm 1 1 Ohm 1 Ohm Voice coil Tot...

Page 5: ...pedance Voice coil Total impedance SUBWOOFER IN SERIES COILS IN SERIES 2 2 Ohm 4 Ohm 1 1 Ohm 2 Ohm Voice coil Total impedance 2 2 Ohm 16 Ohm 1 1 Ohm 8 Ohm Voice coil Total impedance 2 2 Ohm 2 Ohm 1 1...

Page 6: ...e PARALLEL SUBWOOFER PARALLEL COILS 2 2 Ohm 1 Ohm 1 1 Ohm 0 5 Ohm Voice coil Total impedance 2 2 Ohm 0 33 Ohm 1 1 Ohm 0 16 Ohm Voice coil Total impedance Caution High sound pressure can damage your he...

Page 7: ...t the beginning of operation Be extra careful when warming up the parts Warm up the subwoofer using musical material for 40 hours on medium power If during operation at maximum volume you feel strange...

Page 8: ...ONS This speci ed sensitivity is not directly connected with the sound pressure in the vehicle and therefore should not be used as the sole indicator for comparison with other subwoofers Parameters Xm...

Page 9: ...DB 310 D1 D2 DB 312 D1 D2 RU 7 Dimensions 9 DB 315 D1 D2 DB 318 D1 D2 1 Subwoofer 1 pcs 2 Owner s Manual 1 pcs 3 Warranty card 1 pcs 8 BOX CONTENTS...

Page 10: ...receipt The warranty is not valid if the product is damaged by incidents installations and or improper use or by any other causes not depending on materials or manufacturing defects the product is mo...

Page 11: ...1 2 3 4 5 6 7 8 9 Alphard 10 RU 11...

Page 12: ...1 1 2 3 4 5 6 7 5 40 8 9 10 11 12 13 2 3 10 10 RU 12 ALPHARD Alphard Sound Technology...

Page 13: ...13 1 1 2 2 2 2 1 1 Sub 1 Sub 2 Sub 3 Sub 1 Sub 2 Sub 3 1 1 1 1 2 2 4 1 1 2 2 2 1 1 1 0 5 2 2 2 1 1 1 RU...

Page 14: ...14 2 2 3 1 1 1 5 2 2 8 1 1 4 2 2 12 1 1 6 2 2 4 1 1 2 2 2 16 1 1 8 RU...

Page 15: ...15 2 2 2 1 1 1 2 2 1 33 1 1 0 66 2 2 0 5 1 1 0 25 2 2 1 1 1 0 5 2 2 0 33 1 1 0 16 RU...

Page 16: ...00 450 70 65 70 35 32 30 DB 312 DB 315 DB 318 40 100 25 37 DB 310 2 2 0 25 1 1 0 125 RU 20 000 25 000 15 000 10 000 8000 6000 4000 2000 1000 500 250 100 0 1 1 2 2 3 3 4 4 5 5 6 6 7 W 7 8 16 8 8 37 5 2...

Page 17: ...Deaf Bonce D 315 D 312 D 318 5 6 Xmax Re Fs Vas Qts Spl 2 83 BL RU 17 3 2 2500 5000 10 Deaf Bonce D 310 28 28 28 D 312 D1 D2 D 315 D1 D2 D 318 D1 D2 0 7 0 7 1 4 1 4 0 7 0 7 1 4 1 4 0 7 0 7 1 4 1 4 33...

Page 18: ...7 RU 1 1 2 1 3 1 8 18 DB 310 D1 D2 DB 312 D1 D2 DB 315 D1 D2 DB 318 D1 D2...

Page 19: ...9 ALPHARD 10 RU 19 ALPHARD Alphard Alphard Alphard...

Page 20: ...http alphard audio...

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