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In one of the studios there was a speaker system, JBL something, two 15″ bass drivers, probably one . 4th midrange driver: JBL H Go to measurements. The H are not aquaplased as the H’s. How are their sonic character? I’ ve been told that JBL would have to come up with a four-inch. I’ve got a couple of JBL h drivers that I’d like to use in mid range horns. They would slot in between a JBL h L/F and a 1′ HF CD/horn.

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Frequency response of 10NMBA driver on 65 x cm baffle.

Took damn near a year. So, here’s the response from the final crossover showing midrange green from Hz, the horn orange and tweeter. Let’s start with the 10NDA midrange driver. Good bass can be made in many ways as well as the airiness delivered by the super-tweeter 2123b the upper octave.

JBL H 10″ 8 Ohm Loud Speaker / Mid Range Driver | eBay

Not easy to my experience. Click image to view large. It has the same perfect pitch that the LE14 and have.

I know a few that are pretty adamant about it. I wonder what would be the price we have to pay for one technical solution, and on the other side “how bjl we lost in enjoyment ” I can not forget the sound of the drum that was reproduced from my friend’s speaker cloneeven all used parts are ‘standard’ for such speaker. During construction I used wheels for moving the speakers around.


Mounting drivers – finally This item may be a floor model or an item that has been returned to the seller after a period of use. Questions and answers about this item. Passive 2123j for bi-amping contains 2 x C-coils, 4 x capacitors, 2 x resistors and no Hypex module and Hypex power connector.

There is a serious disconnect. Results below under measurements. Maybe I’ll use it for a smaller version of this speaker with a 15″ driver.

Sometimes the rise in impedance can be a useful tool in reaching target roll-off profile. Adding upper panel in crossover housing. Vista, California, United States.

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Here the speaker with the Wiawave GRT as super-tweeter. Droping in a 10″ driver is going to give you an additional point to match the DI and shift them both down and up. Bass performance is highly dependent on in-room placement of your speaker and the same speaker can be boomy in one place and lean 2123j another.

Next a 4th jbp high-pass at Hz and a smooth 1st order low-pass roll-off towards 10 kHz, transcending to a 2nd order roll-off. Description Postage and payments.

JBL 2123H 10″ 8 Ohm Midrange Audio Speaker 101 DB Sensitivity 250 Watts Cont.

jgl It goes to show you that if you ship enough drivers out eventually some will arrive in decent shape. The 10NW, which is really mbl for another project, didn’t disappoint and made a smooth midrange very well integrated with the horn, but also lacking a certain vivid quality of the 10NDA The horn had a foam gasket.


The simulation above assumes the acoustic center of the compression driver is some mm behind midrange driver.

I’ll add wheels to the base frame to be able to move the monsters around Obviously the cabs need some sturdy stands – very Japanese style. I’m afraid to 21223h the box though. As can be seen above, a range of midrange drivers were tested to find the best sounding and the one with the best technical performance on the given baffle.

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From a horn-loaded tweeter, the above frequency response is very flat indeed, and impedance is almost ruler flat. Yeah, I was just reminded about the whole fifteen-inch two-way thing and a remark one JBL engineer made with respect to 2123 series drivers.

The key elements in all this is 22123h 10″ midrange driver and magnificent 18 Sound compression driver and horn with its exceptional dispersion. In addition to this, ports may contribute to bass extension. The midrange drivers As can be seen above, a range of midrange drivers were tested to find the best sounding and mbl one with the best technical performance on the given baffle.

Whatever helps you sleep at night What I heard from these speakers was something I’d never heard before and never will forget.