Subwoofer JBL H. General specifications: diameter 18 inches, maximum power W. Thiele-Small parameters: frequency of self resonance Fs=20 Hz. JBL Incorporated, Balboa Boulevard, P.O. Box , Northridge, California U.S.A.. Technical Manual. JBLH. SPECIFICATIONS. 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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Usable frequency response shall extend from 20 Hz to 2 kHz. It sure sounds great, though. Rated power capacity shall be at least W normal program material. Now all I need is a handy closet!
JBL 2245H Aftermarket Recone Kit
All times are GMT I am not joking, infrasound in jhl quantities can hurt you. As an indication of electromechanical conversion efficiency, the B1 factor shall be at least 21 newtons per ampere.
Highest Recommended Crossover Frequency: In addition, a Flux Stabilizing Ring encircling the pole piece shall act to reduce flux modulation.
Maximum Excursion Before Damage: Subwooffer with JBL H. Originally Posted by JeffW.
JBL H, 18 INCH WOOFER
The best box is no box infinite baffle. Page 1 of 2 1 2 Last Jump to page: When you get the cabinets, remove the stock boat anchor drivers and sell them on Ebay Results 1 to 15 of A bigger box will get you lower also.
Continuous program power is defined as 3 dB greater than continuous sine wave power and is a conservative expression of the transducer’s ability to handle typical speech and music program material. On-axis response, measured at a distance of 2 m ubl. JBL continually engages in research related to product improvement.
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 dynamic instabilities. Volume Displaced by Driver when Mounted in Enclosure: New materials, production methods, and design refinements are introduced into existing products without notice as a routine expression of that philosophy.
It’s probably a good idea to use the B as a model.
After you are done, be careful that you don’t ruin your guts or make yourself permanently blind due to detached retinas. Extra Tabs by vBulletin Hispano. The SFG design, in combination with a Flux Stabilizing Ring around the pole piece, significantly reduces second harmonic distortion and provides jbbl accurate low frequency reproduction.
Adjust your pampers accordingly.
JBL 2245H 18 Inch Woofer Factory Reconed
Measured sensitivity SPL at 1 m 3. At the bottom of the page, you can see a strip that says “similar threads”. Acoustic loading shall further extend the low frequency response.
Voice Coil Winding Depth: Nominal impedance shall be 8 ohms. The frame shall be of cast aluminum to resist deformation, and the magnetic assembly shall utilize a ferrite magnet and produce a symmetrical magnetic field at the voice coil gap. Or, so what my friend Steve did – build the box Your can also get an answer there.
Originally Posted by andychris. I haven’t yet heard Eminent Technologies fan type subwoofers, but they are very expensive and require an additional two add on rooms for cabinets.
When you get the cabinets, remove the stock boat anchor drivers and sell them on Ebay, tear out the wiring and replace with better stuff. The half-space reference efficiency shall be 2.
Originally Posted by Vottboy. 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. Components – H. I use a pair of ASH cabinets each jvl a H driver in them. Performance specifications of a typical production unit shall be as follows: This of course uses the BX63 for really low 2245b.
The time now is