JBL 2245 PDF

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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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Originally Posted by Vottboy. Page 1 of 2 1 2 Last Jump to page: On-axis response, measured at a distance of 2 m 6.

Originally Posted by hjames. Most of people build enclosures with JBL enclosure dimension bit is there sommeone that use bigger box? Acoustic loading shall further extend the low frequency response. Or, so what my friend Steve did – build the box Is there anybody who has built a big enclosure for a ? The voice coil shall be mm 4 in in diameter and shall be made of edgewound copper ribbon operating in a magnetic field of not less than 1.

JBL 2245H 18 Inch Woofer Factory Reconed

Hello I will build a subwoofer with 1 x but for the moment I don’t know what volume to use. New materials, production methods, and design refinements are introduced into existing products without notice as a routine expression of that philosophy.


Usable frequency response shall extend from 20 Hz to 2 kHz. Rated power capacity shall be at least W normal program material. The SFG design, in combination with a Flux Stabilizing Ring around the pole piece, significantly reduces second harmonic distortion and provides exceptionally accurate low frequency reproduction. Now all I need is a handy closet! In addition, a Flux Stabilizing Ring encircling the pole piece shall act to reduce flux modulation.

JBL H 18 Inch Woofer Factory Reconed | eBay

Adjust your pampers accordingly. I am not joking, infrasound in large quantities can hurt you. All times are GMT For this reason, any current JBL product may differ in some respect from its published description, but will always equal or exceed the original design specifications unless otherwise stated. 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.

The time now is Maximum Excursion Before Damage: The half-space reference efficiency shall be 2. Highest Recommended Crossover Frequency: Additionally, the cone is coated with an exclusive damping formulation to ensure optimum mass and density. Subwooffer with JBL H. 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. As an indication of electromechanical conversion efficiency, the B1 factor shall be at least 21 newtons per ampere.


Subwooffer with JBL H

After a prolonged 16 Hz undertone in an organ solo for several minutes, my bowels actually cut loose, and I am not prone to that. Components – H. Volume Displaced by Driver when Mounted in Enclosure: 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.

It sure sounds great, though. 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.

Originally Posted by andychris. Voice Coil Winding Depth: