JBL 4641 PDF

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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Page 1 of 2 1 2 Last Jump to page: Results 1 to 15 of JBL Subs Hello everybody Any input appreciated Thanks. Edit – Grumpy is right The DX-1 was for another system!

It provided a boost bump at the low end that compensated for the low end roll off of their subs. With anything like that you can use the proper test tones and a spectrum analyzer or similar equipment, just play test tones through 6441 system and use the EQ to dial up the low end to get a charted response like the JBL brochure.

Crank up the low end for movies, and bypass it for music. 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.

Afterwards I found out the new buyer was using it as a bass boost for his sub. I had never tried using it that way with the sub. Didn’t really need it. I run a single in ibl Home theater system with an HK Citation 22 bridged mono no room for a second! I figure the amp gives it around watts that way.


My Integra DTC 9. Front and side speakers are set at 0 dB Originally Posted by Bobecca. Thanks for the inputs So it means that 4614 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 the boost. Is this the way of thinking here? Freq is 25 Hz and the Q value is 2 but how many dB boost is there?? Should it be asumed around dB.

Originally Posted by hjames. This is known as the B6 tuning. Boost of 6 db, at box tuning frequency in this case 25hz at a Q of 2.

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Originally Posted 4614 rlsound. The low frequency transducer at this frequency is at minimal excursion. Type This parameter selects the PEQ band type. The following figure shows the constant Q parametric filter. S 1 and 4, shelf type filters only 3, 4.

Originally Posted by B. Because this is a digital device your possibilities are significantly increased.


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. You can use a bell Jhl at 25 Hz with a Q of 2 but it won’t behave like a conventional high pass bump filter, there will be no roll off below the center frequency.


Additionally, the boost might not be 6 dB, it might be a bit more or a bit less and totally ibl on your venue.

Therefore you might wish to also use a subsonic filter centered at 20 Hz to protect the low frequency transducer. In reality you are probably going to use several bells at various frequencies to boost jvl cut in-room response.

I follow you in your example My choice of setting would be like this and comments are welcome. Or any other gain setting. By mrbluster in forum Lansing Product General Information.

JBL subs come out on top in SF!! By duffdog in forum Lansing Product General Information. All times are GMT The time now is 441 Extra Tabs by vBulletin Hispano.