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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Boost of 6 db, at box tuning frequency in this case 25hz at a Q of 2.
My choice of setting would be like this and comments are welcome. Front and side speakers are set at 0 dB Didn’t really need it. S 1 and 4, shelf type filters only 3, 4. I figure the amp gives it around watts that way.
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Should it be asumed around dB. The subwoofer is designed primarily for professional use in cinema and screening room installations, although the unit will work reliably in most kbl sound reinforcement applications. Therefore you might wish to also use a subsonic filter centered at 20 Hz to protect the low frequency transducer.
Reviews 0 Write a review cxwzdqfrtbzxwtuewbxquryyebrq. I follow you in your example Any input appreciated Thanks. Extra Tabs by vBulletin Hispano. You will be charged as soon as the manufacturer receives this drop-ship order. My Integra DTC 9. The dense particle board enclosure is equipped with an extra-large front panel port, and the cabinet 464 tuned to a low 25 Hz.
Be the first to review this item. 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 kbl allready flat down to 20 Hz then one can skip the boost.
Freq is 25 Hz and the Q value is 2 but how many dB boost is there?? Passive Cinema Series installation subwoofer with 18″ woofer and tuned, ported enclosure Approved by Lucasfilm, Ltd. Update Unrecognized Zip Jnl. See any errors on this page?
All times are GMT By mrbluster in forum Lansing Product General Information. I run a single in my Home theater system with an HK Citation 22 bridged mono no room for a second! Edit – Grumpy is right 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.
Special Order Update Location close. In reality you are probably going to use several bells at various frequencies to boost or cut in-room response. Additionally, the boost might not be 6 dB, it might be a bit more or a bit less and totally dependent on your venue.
JBL Cinema Series 18″ Passive Subwoofer B&H Photo
Originally Posted by rlsound. All elements of the cone, voice coil and suspension system are optimized for a smooth high frequency response. I had never tried using it 4614 way with the sub. Crank up the low end for movies, and bypass it 46411 music. The subwoofer’s magnet structure and compliance enable long peak-to-peak excursions without damage to the speaker.
Results 1 to 15 of I sold it because I never really used it, plus I was was simplifying the system got rid of the studio monitors and a whole biamp system. It provided a boost bump at the low end that compensated for the low end roll off of their subs.
The Nbl was for another system! With anything like that you can use 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.
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The unit is officially approved by Lucas Films Ltd. The 4″ voice coil benefits from a winding technique that offers greater thermal stability and increased power handling. JBL Subs Hello everybody This is known as the B6 tuning. The jbk frequency transducer at this frequency is at minimal excursion. This item is noncancelable and nonreturnable.
The following figure shows the constant Q parametric filter.