JBL 4641 PDF

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Watts Continuous Pink Noise, Watts Continuous Program Power Handling; H VGCTM Vented Gap Cooled Driver; Usable response to 25 Hz ( Buy JBL Cinema Series 18″ Passive Subwoofer featuring W Continuous Program Power Handling, Usable Response Down to 25 Hz H VGC. JBL Single mm (18″) Subwoofer System. SKU: JBL MFR: We are sorry, this item is no longer available. For your convenience, we have.

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Your best bet might be to simply use the dbx to tune the system the way you want while keeping in mind that any EQ boost below the vented box resonance frequency of 25 Hz would be a bad thing.

Page 1 of 2 1 2 Last Jump to page: Please check your local sales tax laws. The subwoofer’s magnet structure and compliance enable 6441 peak-to-peak excursions without damage to the speaker.

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The unit is officially approved by Lucas Films Ltd. Passive Cinema Series installation subwoofer with 18″ woofer and tuned, ported enclosure Approved by Lucasfilm, Ltd. In reality you are probably going to use several bells at various frequencies to boost or cut in-room response.

All elements of the cone, voice coil and suspension system are optimized for a smooth high frequency response. I follow you in your example Is this the way of thinking here? Additionally, the boost might not be 6 dB, it might be a bit more or a bit less and totally dependent on your venue. The low frequency transducer at jbp frequency is at minimal excursion. Enter new zip code to refresh estimated delivery time.

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JBL subs come out on top in SF!! My choice of setting would be like this and comments are welcome. Boost of 6 db, at box tuning frequency in 46641 case 25hz at a Q of 2. Type This parameter selects the PEQ band type. I had never tried using it that way with the sub. The JBL Cinema Series 18″ Passive Subwoofer utilizes the company’s patented Vented Gap Cooling VGC process to pump air over and around the unit’s 4″ voice coil to improve heat transfer, reduce operating temperature, increase power handling, and reduce power compression within a direct radiator bass-reflex enclosure.

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All times are GMT Any input appreciated Thanks. With anything like that you can jbbl the proper test tones and a spectrum analyzer or similar equipment, just play test tones through your system and use the EQ to dial up the low end to get a charted response like the JBL brochure.

The subwoofer is designed primarily for professional use in cinema and screening room installations, although the unit will work reliably in most general sound reinforcement applications. By mrbluster in forum Lansing Product General Information. The driver handles Watts of continuous program power to deliver a usable frequency response down to 22 Hz dB with external EQ processing.

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Therefore you might wish to also use a subsonic filter centered at 20 Hz to protect the low frequency transducer.

Because this is a digital device your possibilities are significantly increased. So it means that if there is a roll of in the bass in that region and in that particular situation one can boost if needed and if it is allready flat down to 20 Hz then one can skip jvl boost.

The dense particle board enclosure is equipped with an extra-large front panel port, and the cabinet is tuned to a low 25 Hz. I figure the amp gives it around watts that way.

JBL 4641 18″ SUBWOOFER (Free Shipping)

I sold it because I never really used it, plus Jlb was was simplifying the system got rid of the studio monitors and a whole biamp system. The 4″ voice coil benefits from a winding technique that offers greater thermal stability and increased power handling. JBL add-on savings. Extra Tabs by vBulletin Hispano. Crank up the low end for movies, and bypass it for music.

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