JBL Incorporated, Balboa Boulevard, P.O. Box , Northridge, California U.S.A.. Technical Manual. JBLH. SPECIFICATIONS. Subwoofer JBL H. General specifications: diameter 18 inches, maximum power W. Thiele-Small parameters: frequency of self resonance Fs=20 Hz. Max Pwr. wRMS. Magnet Wt. 86 oz. Foam Surround Net Weight 22 lbs. Box 12cf, 44x29x21″ Box 23cf, 49x30x30″, Cone Sq.”;sq.M. Eff/Max SPL 95/.
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Voice Coil Winding Jjbl The half-space reference efficiency shall be 2. Nominal impedance shall be 8 ohms. I think the Adcom stacks are to keep the subs from moving out.
JBL 2245H 18 Inch Woofer Factory Reconed
Performance specifications of a typical production unit shall be as follows: Is there anybody who has built a big enclosure for a ?
Always fun learning more The SFG design, in combination with a Flux Stabilizing Ring around the pole piece, significantly jgl second harmonic distortion and provides exceptionally accurate low frequency reproduction. Page 1 of 2 1 2 Last Jump to page: To achieve this performance, the H incorporates a new diecast aluminum frame, integrally stiffened cone with foam surround, mm 4 in diameter edgewound copper ribbon voice coil, and individually machined magnetic pole piece and back plate.
Or, so what my friend Steve did – build the box After a prolonged 16 Jbp undertone in an organ solo for several minutes, ubl bowels actually cut loose, and I am not prone to that. Extra Tabs by vBulletin Hispano.
Originally Posted by hjames.
It sure sounds great, though. As an indication of electromechanical conversion efficiency, the B1 factor shall be at least 21 newtons per ampere.
Originally Posted by Vottboy. Most of people build enclosures with JBL enclosure dimension bit is there sommeone that use bigger box? This motor assembly is optimally balanced with a 25 mm 1 in long voice coil and carefully engineered suspension elements to allow maximum excursion linearity with complete freedom from 22245 instabilities.
Originally Posted by quindecima. JBL continually engages in research related to product improvement. Hello I will build a subwoofer with 1 x but for the moment I don’t know what volume to use.
Volume Displaced by Driver when Mounted in Enclosure: He built jl more later on and has 4 in that stack – but I can’t find a picture of his final config right now. All times are GMT Subwooffer with JBL H.
Components – H. Originally Posted by andychris. After you are done, be careful that you don’t ruin your guts or make yourself permanently blind due to detached retinas.
Now all I need is a handy closet! Jl Recommended Crossover Frequency: Last edited by Lee in Montreal; at The JBL Model H is a professional quality low frequency transducer designed for use in custom studio monitors or other applications requiring high sensitivity and power capacity, as well as extremely low distortion and extended bass response.
Adjust your pampers accordingly. You should also glue every seam by reaching inside with an extension arm and turning the cabinets so the glue flows properly into the joints. Other loudspeakers will be considered for equivalency provided that submitted data from a recognized independent test laboratory verify that the above performance specifications are met.
Maximum Excursion Before Damage: I have enought wood to biuld a box of L inside. Usable frequency response shall extend from 20 Hz to 2 kHz. I am not joking, infrasound in large quantities can hurt you. Originally Posted by audiomagnate.
Used JBL H Subwoofers for Sale |
At the bottom of the page, you can see a strip that says “similar threads”. Originally Posted by JeffW. The sensitivity rating of JBL low frequency loudspeakers is based on a signal swept from Hz to Hz. The best box is no box infinite baffle.