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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Continuous program power is defined as 3 dB greater than continuous sine wave power and is a conservative expression of the transducer’s ability 2425 handle typical speech and music program material. Originally Posted by Vottboy.
Originally Posted by quindecima. 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. 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.
This of course uses the BX63 for really low eq. 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. Measured sensitivity SPL at 1 m 3.
Rated power capacity shall be at least W normal program material. 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.
Used JBL H Subwoofers for Sale |
Maximum Excursion Before Damage: 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. Or, so what my friend Steve did – build the box The sensitivity rating of JBL low frequency loudspeakers is based on a signal swept from Hz to Hz.
Originally Posted by andychris. Results 1 to 15 of 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. Page 1 of 2 1 2 Last Jump to page: All times are GMT Is there anybody who has built a big enclosure for a ? Now all I need is a handy closet! Usable frequency response shall extend from 20 Hz to 2 kHz.
Nominal impedance shall be 8 ohms.
Most of people build enclosures with JBL enclosure dimension bit is there sommeone that use bigger box? In addition, a Flux Stabilizing Ring encircling the pole piece shall act to reduce flux modulation. It sure sounds great, though. At the bottom of the page, you can see a strip that says “similar threads”. 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.
JBL 2245H 18 Inch Woofer Factory Reconed
Originally Posted by JeffW. Voice Coil Winding Depth: It’s probably a good idea to use the B as a model. Additionally, the cone is coated with an exclusive damping formulation to ensure optimum mass and density.
I think the Adcom stacks are to keep the subs from moving out. I am not joking, infrasound in large quantities can hurt you. 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.
Subwooffer with JBL H
Adjust your pampers accordingly. Acoustic loading shall further extend the low frequency response. The best box is no box infinite baffle. Your hbl also get an answer there.