Polk Audio DB1240 Italiano Dati Tecnici DEL Subwoofer, Attenzione Usare Cautela Durante L’ASCOLTO

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ITALIANO

 

 

 

DATI TECNICI DEL SUBWOOFER

 

 

 

 

db840

db1040

db1240

 

 

 

 

Parametri Thiele/Small

 

 

 

 

 

 

 

Tipo

subwoofer

subwoofer

subwoofer

 

 

 

 

Dimensioni del driver

8"

10"

12"

 

(203.2mm)

(254mm)

(304.8mm)

 

 

 

 

Impedenza nominale

4 Ohm

4 Ohm

4 Ohm

 

 

 

 

Risposta in frequenza

30-200Hz

28-200Hz

27-200Hz

 

 

 

 

Fs (Hz)

42Hz

35Hz

30Hz

 

 

 

 

Re

3.5 Ohm

3.5 Ohm

3.5 Ohm

 

 

 

 

Le

2.3mH

3.0mH

3.0mH

 

 

 

 

Qms

13.4

9.1

10.4

 

 

 

 

Qes

0.58

0.59

0.46

 

 

 

 

Qts

0.56

0.55

0.44

 

 

 

 

Vas

0.54ft3

0.99ft3

2.54ft3

 

(15.4L)

(28.3L)

(71.85L)

 

 

 

 

Sd

35.65in2

54.25in2

80.6in2

 

(230cm2)

(350cm2)

(520cm2)

Potenza nominale (watt, continua)

180 Watts

270 Watts

360 Watts

 

 

 

 

Potenza nominale (watt, picco)

360 Watts

540 Watts

720 Watts

 

 

 

 

Sensibilità (SPL a 1 W/m)

85dB

86dB

88dB

 

 

 

 

Xmax (lineare)

0.24"

0.3"

0.3"

 

(6.1mm)

(7.5mm)

(7.5mm)

 

 

 

 

Diametro bobina mobile

1 1/2"

2"

2"

 

(38.1mm)

(50.8mm)

(50.8mm)

 

 

 

 

Profondità di fissaggio parte superiore

4"

5 1/2"

6"

 

(100mm)

(138.9mm)

(152.4mm)

 

 

 

 

Profondità di fissaggio parte inferiore

4 9/16"

6 1/4"

6 3/4"

 

(115.8mm)

(158.2mm)

(171.4mm)

 

 

 

 

Diametro di fissaggio

7 1/16"

9 1/16"

11"

 

(179.4mm)

(230.2mm)

(279.4mm)

 

 

 

 

ATTENZIONE: USARE CAUTELA DURANTE L’ASCOLTO.

Gli altoparlanti e subwoofer Polk Audio sono in grado di funzionare a volumi estremamente alti, che potrebbero causare lesioni gravi o anche permanenti all’udito. Polk Audio, Inc. non si assume alcuna responsabilità in caso di perdita dell’udito, lesioni personali o danni alle cose risultanti dall’uso improprio dei suoi prodotti.

Tenere presenti queste istruzioni e farsi guidare dal buon senso quando si regola il volume:

limitare l’esposizione prolungata a volumi superiori a 85 decibel (dB);

tenere presente che un volume eccessivo nell’automobile può compromettere la capacità di guidare in sicurezza;

tenere presente che il guidatore è responsabile dell’osservanza delle norme

di legge che regolano il volume degli apparecchi installati su autoveicoli. Per ulteriori informazioni sui livelli di sicurezza per l’ascolto, visitare il sito www.polkaudio.com/education/article/SPL/. O consultare le direttive OSHA (Occupational Health and Safety Administration, americano per la salute e la sicurezza sul lavoro) sul sito www.osha.gov/dts/osta/otm/noise/standards_more.html

M o r e I n f o @ w w w . p o l k a u d i o . c o m / c a r

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Contents Page English Safe Limits of Operation Bring on the NoizeRecommended Sealed Enclosures Caissons Scelles Recommandes Français Limites D’OPÉRATIONGuide DE Demarrage Construction D’UN CaissonEspanol Límites Seguros DE Operación QUE Traigan EL ZonidoConstrucción DE UN Hogar Para Cajas Selladas RecomendadasDeutsch Sichere Betriebsgrenzwerte Erste SchritteEIN Heim FUR Ihren SUBWOOFER-DAS db SUBWOOFER-GEHAUSEItaliano Limiti DI Sicurezza in Relazione AL Funzionamento PER IniziareUSO DI UNA Cassa PER IL Subwoofer db Casse Sigillate SuggeritePortugues Limites Seguros DE Operação SOM NA CaixaCONSTRU²AO DE UMA Caixa Para O Subwoofer dbPage Page Page Ohm terão uma carga de 2,7 Ohm Optimal Crossover Setting Inverting PhaseTechnical Assistance or Service Inversion DE PhaseAssistance Technique OU Service Configuración Óptima DEL CrossoverEspanol Período DE Acondicionamiento Inversión DE FasePhasenumkehrung Technischer Kundendienst UND ServiceDeutsch Einarbeitungsperiode Optimale CROSSOVER-EINSTELLUNGENServizio DI Assistenza Portugues Periodo DE PRE-CONDICIONAMENTOAjuste Ideal do Crossover Inversao DE FaseEnglish Subwoofer Specifications Db840 Db1040 Db1240Db840DVC Db1040DVC Db1240DVC Français SUBWOOFER-FICHE Technique Avertissement Écoutez BienSUBWOOFER-FICHE Technique Espanol Especificaciones DEL Subwoofer Advertencia Escuche CuidadosamenteEspecificaciones DEL Subwoofer Deutsch SUBWOOFER-SPEZIFIKATIONEN Warnung Vorsicht Beim ZuhorenSUBWOOFER-SPEZIFIKATIONEN Italiano Dati Tecnici DEL Subwoofer Attenzione Usare Cautela Durante L’ASCOLTODati Tecnici DEL Subwoofer Portugues ESPECIFICA²OES do Subwoofer Atenção OU²A COM CuidadoESPECIFICA²OES do Subwoofer Year Warranty Garantie Limitée DE 1 AN

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.