SUBWOOFER—FICHE TECHNIQUE

 

 

 

 

db840DVC

db1040DVC

db1240DVC

 

 

 

 

Paramètres Thiele/Small

 

 

 

 

 

 

 

Type

subwoofer

subwoofer

subwoofer

 

 

 

 

Dimension du transducteur

8"

10"

12"

 

(203.2mm)

(254mm)

(304.8mm)

 

 

 

 

Impédance nominale

dual 4 Ohm

dual 4 Ohm

dual 4 Ohm

 

 

 

 

Réponse en fréquences

30-200Hz

28-200Hz

27-200Hz

 

 

 

 

Fs (Hz)

43Hz

35Hz

30Hz

 

 

 

 

Re

3.4 Ohm/coil

3.4 Ohm/coil

3.4 Ohm/coil

 

3.4 Ohm/bob.

3.4 Ohm/bob.

3.4 Ohm/bob.

 

 

 

 

Le

2.47mH

5.1mH

5.1mH

 

 

 

 

Qms

14.1

10.4

10.4

 

 

 

 

Qes

0.62

0.66

0.49

 

 

 

 

Qts

0.59

0.62

0.50

 

 

 

 

Vas

0.55ft3

1.07ft3

2.40ft3

 

15.8L

30.29L

67.9L

 

 

 

 

Sd

35.65in2

54.25in2

80.6in2

 

(230cm2)

(350cm2)

(520cm2)

Cap. de puis. (watts en continu)

180 Watts

270 Watts

360 Watts

 

 

 

 

Cap. de puis. (watts - crête)

360 Watts

540 Watts

720 Watts

 

 

 

 

Sensibilité (SPL 1w/1m)

85dB/series

86dB/series

88dB/series

 

 

 

 

Xmax (Linear/Linéaire)

0.24"

0.35"

0.35"

 

(6.1mm)

(9.0mm)

(9.0mm)

 

 

 

 

Diamètre - bobine acoustique

1 1/2"

2"

2"

 

(38.1mm)

(50.8mm)

(50.8mm)

 

 

 

 

Profondeur de montage (en surface)

4"

5 1/2"

6"

 

(100mm)

(138.9mm)

(152.4mm)

 

 

 

 

Profondeur de montage (par dessous)

4 9/16"

6 1/4"

6 3/4"

 

(115.8mm)

(158.2mm)

(171.4mm)

 

 

 

 

Diamètre de montage

7 1/16"

9 1/16"

11"

 

(179.4mm)

(230.2mm)

(279.4mm)

 

 

 

 

Récupération du produit – Certaines lois ou certains règlements internationaux, nationaux et/ou régionaux pourraient s’appliquer à la récupération de ce produit. Pour plus d’information, communiquez avec le revendeur de ce produit ou avec l’import- ateur/ distributeur de ce produit dans votre pays. Vous trouverez la liste des importateurs/distrib- uteurs des produits Polk Audio sur le site www.polkaudio.com ou en communiquant avec Polk Audio : 5610 Metro Drive, Baltimore, Maryland 21215, USA—Tél.: +1 410 358-3600

20

d b : I n c r e d i b l e S o u n d , A f f o r d a b l e P r i c e

Page 19
Image 19
Polk Audio DB840, DB1240, DB1040 manual SUBWOOFER-FICHE Technique

DB1040, DB840, DB1240 specifications

Polk Audio is renowned for its commitment to delivering high-quality audio experiences, and their DB series of car subwoofers is no exception. The DB1240, DB840, and DB1040 are designed to provide powerful bass performance, making them ideal for car audio enthusiasts who prioritize sound clarity and depth.

Starting with the DB1240, this 12-inch subwoofer features a peak power handling of 1200 watts and a RMS power handling of 400 watts. Its dynamic balance woofer cone is crafted from a durable polypropylene material, ensuring efficient sound reproduction with minimal distortion. The DB1240 also employs a high-temperature voice coil that enhances heat dissipation, allowing for extended playtime without compromising sound quality. The subwoofer's rubber surround contributes to its longevity, enhancing flexibility and strength while ensuring a tight seal for improved bass response.

Next up is the DB840, a compact 8-inch subwoofer designed for those with limited space but an unwavering desire for powerful bass. With a peak power handling of 800 watts and an RMS power handling of 200 watts, the DB840 doesn't compromise on performance despite its smaller size. This subwoofer uses a similar dynamic balance woofer cone technology and robust rubber surround, allowing it to produce punchy bass that is both clear and impactful. Its compact design makes it an ideal choice for smaller vehicles or applications where space is a constraint.

Finally, the DB1040 is a 10-inch subwoofer that strikes a balance between size and power. With a peak power handling capability of 1000 watts and an RMS rating of 300 watts, the DB1040 provides a deep, resonant bass tone that can fill any car interior. Like its counterparts, it features a polypropylene cone and high-temperature voice coil, ensuring reliable performance and fidelity under various conditions. The subwoofer's design also incorporates a vented pole piece to optimize airflow, which helps in maintaining performance during extended listening sessions.

All three models feature a corrosion-resistant design that helps withstand the rigors of automotive environments, making them suitable for marine applications as well. The DB series subwoofers can be used in both sealed and ported enclosures, giving users flexibility in terms of installation and tuning their bass response.

In conclusion, the Polk Audio DB1240, DB840, and DB1040 subwoofers exemplify Polk's dedication to audio quality. With their dynamic balance technology, robust power handling capabilities, and durable construction, these subwoofers are poised to elevate any car audio system, ensuring an immersive listening experience no matter the genre of music. Whether you're a casual listener or a dedicated audiophile, Polk's DB series has models that cater to a variety of preferences and requirements.