February 20, 2021

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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Originally Posted by audiomagnate.

JBL H Aftermarket Recone Kit – Speaker Exchange

I use a pair of ASH cabinets each with a H driver in them. At the bottom of the page, you can see a strip that says “similar threads”.

Subwooffer with JBL H. New materials, production methods, and design refinements are introduced into existing products without notice as a routine expression of that philosophy.

This of course uses the BX63 for really low eq. It’s probably a good idea to use the B as a model.

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. 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.

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 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.


Originally Posted by Vottboy. 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.

Images : JBL 2245H

A bigger box will get you lower also. Is there anybody who has built a big enclosure for a ? 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. Measured sensitivity SPL at 1 m 3. Originally Posted by quindecima. Extra Tabs by vBulletin Hispano. Hello I will build a subwoofer with 1 x but for the moment I don’t know what volume to use. 2245n edited by Lee in Montreal; at It sure sounds great, though.

Originally Posted by JeffW.

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. 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. I am not joking, infrasound in large quantities can hurt you. Acoustic loading shall further extend the low frequency response. The time now is Page 1 of 2 1 2 Last Jump to page: Continuous program power is defined as 3 dB greater than continuous sine wave power and is a conservative bjl of the transducer’s ability to handle typical speech and music program material.


JBL 2245H 18 Inch Woofer Factory Reconed

All times are GMT I think the Adcom stacks are to keep the subs from moving out. Rated power capacity shall be at least W normal program material. The best box is no box infinite baffle. As an indication of electromechanical conversion efficiency, the B1 factor shall be at least 21 newtons per ampere.

Always fun learning more Or, so what my 2245b Steve did – build the box Results 1 to 15 of 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. Nominal impedance shall be 8 ohms. Now all I need is a handy closet!

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Volume Displaced by Driver when Mounted in Enclosure: Performance specifications of a typical production unit shall be as follows: Highest Recommended Crossover Frequency: He built 2 more later on and has 4 in that stack – but I can’t find a picture of his final config right now.

On-axis response, measured at a distance of 2 m 6. 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. Originally Posted by andychris. Usable frequency response shall extend 2254h 20 Hz to 2 kHz.

Maximum Excursion Before Damage: