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. Last edited by Lee in Montreal; at Other loudspeakers will be considered for equivalency ubl that submitted data from a recognized independent test laboratory verify that the above performance specifications are met. It sure sounds great, though. Additionally, the cone is coated with an exclusive damping formulation to ensure optimum mass and density.
The half-space reference efficiency shall be 2.
Maximum Excursion Before Damage: 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. Voice Coil Winding Depth: I use a pair of ASH cabinets each with a H driver in them.
Now all I need is a handy closet! 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.
The JBL Model H is a professional quality jl 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. I think the Adcom stacks are to keep the subs from moving out. This of course uses the BX63 for really low eq. 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.
Adjust your pampers accordingly. Extra Tabs by vBulletin Hispano. Originally Posted by andychris.
Rated power capacity shall be at least W normal program material. Originally Posted by hjames.
JBL 2245H Aftermarket Recone Kit
Performance specifications of a typical production unit shall be as follows: 2245n built 2 more later on and has 4 in that stack 22245h but I can’t find a picture of his final config right now. Usable frequency response shall extend from 20 Hz to 2 kHz. Most of people build enclosures with JBL enclosure dimension bit is there sommeone that use bigger box?
As an indication of electromechanical conversion efficiency, the B1 factor shall be at least 21 newtons per ampere. The best box is no box infinite baffle.
JBL H, 18 INCH WOOFER
In addition, a Flux Stabilizing Ring encircling the pole piece shall act to reduce flux modulation. Your can also get an answer there.
Results 1 to 15 of 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.
Subwooffer with JBL H. Originally Posted by JeffW.
Page 1 of 2 1 2 Last Jump to page: Acoustic loading shall further extend the low frequency response. 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.
JBL 2245H 18 Inch Woofer Factory Reconed
The sensitivity rating of JBL low frequency loudspeakers is based on a signal swept from Hz to Hz. Measured sensitivity SPL at 1 m 3. When you get the cabinets, remove the stock boat anchor drivers and sell them on Ebay Components – H. 2245h 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.
Pictures and images JBL H – Audiofanzine
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 time now is New materials, jl methods, and design refinements are introduced into existing products without notice as a routine expression of that philosophy. 22445h Posted by Vottboy. Nominal impedance shall be 8 ohms. 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.