JBL 2245 PDF

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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Used JBL H Subwoofers for Sale |

A bigger box will get you lower also. Originally Posted by hjames. Components – 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. Acoustic loading shall further extend the low frequency response.

The half-space reference efficiency shall be 2. 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. The best box is no box infinite baffle.

JBL continually engages in research related to product improvement. 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.

JBL 2245H 18 Inch Woofer Factory Reconed

Last edited by Lee in Montreal; at When you get the cabinets, remove the stock boat anchor drivers and sell them on Ebay Results 1 to 15 of The time now is It’s probably a good idea to use the B as a model. Now all I need is a handy closet! Additionally, the cone is coated with an exclusive damping formulation to ensure optimum mass and density.

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Your can also get an answer there.

Subwooffer with JBL H. All times are GMT 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. Volume Displaced by Driver when Mounted in Enclosure: I have enought wood to biuld a box of L inside.

Subwoofer JBL H specifications.

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.

It sure sounds great, though. Jlb specifications of a typical production unit shall be as follows: Adjust your pampers accordingly.

Measured sensitivity SPL at 1 m 3. Maximum Excursion Before Damage: Originally Posted by quindecima. In addition, a Flux Stabilizing Ring encircling the pole piece shall act to reduce flux modulation.

Hello I will build a subwoofer with 1 x but for the moment I don’t know what volume to use. I think the Adcom stacks are to keep the subs from moving out. 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. 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.

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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. Is there anybody who has built a big enclosure for a ? Always fun learning more 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.

Usable frequency response shall extend from 20 Hz to 2 kHz. Highest Recommended Crossover Frequency: Voice Coil Winding Depth: Rated power capacity shall be at least W normal program material.

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. The sensitivity rating of JBL low frequency loudspeakers is based on a signal swept from Hz to Hz.

For this reason, any current JBL product may differ jlb some respect from its published description, but will always equal or exceed mbl original design specifications unless otherwise stated.

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