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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Select a valid country. It took me a long time to take my eyes off the 10NDA 212h driver, because it can do wonderful things, but I was never happy with the crossover complexity to make the driver do what I wanted.

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

Frequency response of 10NMBA driver on 65 x cm baffle. If run fully passive from one amplifier, minimum impedance will be 3. Place two layers of acoustilux at top of cabinet. Pay with PayPal and you’re fully protected.

JBL H Sonic character and use in monitors? [Archive] – Lansing Heritage Forums

Thank you for any input! Braces, click image to view large. JBL H Sonic character and use in monitors?

If the company had more like her, they wouldn’t be in this pickle. Before this thread became another blog on the series drivers perhaps it might have paid to read the paper on evolution of studio monitors. Using the FA allows you to get watts for the bass driver, or you may choose to run the FA as a two channel amplifier and have one amp running the bas driver and the other amp running in flat mode for the MTT section via the passive crossover. Click image to view large.


Phenomenal driver, but picky on baffle design. It was the weakest link in the S Rob’s good experience with them, may be a good suggestion for the other members to start DIY projects, especially it seems to me that they are not so large as mentioned x family. A loudspeaker system is meant to give us a satisfying idea of an acoustic event and for some people a pair of 5 USD ear-plugs are enough, others spend kUSD on a truly full-range pair of speakers – and the latter may not be happier than the former.

So, here’s the response from the final crossover showing midrange green from Hz, the horn orange and tweeter. For additional information, see the Global Shipping Programme terms and conditions – opens in a new window or tab This amount includes applicable customs duties, taxes, brokerage and other fees.

Here’s a little gem we have in the Library that compares the and Every speaker construction starts with a mockup!

I think this is because these newer systems are easier to listen to because those older designs chopped up the presentation into distinct ranges and that forced you to listen and focus in on each driver. Looks like a very well behaved driver.

From the midrange and up you should feed it from the best of amplification you can afford. See full item description. I sure wish I could land a second one, 10 months now. The images hardly convey how gigantic these 18″ drivers are. Routing for the Hypex modules. When they are done, they’ll probably be sold, but then at least I can say I fulfilled an ambition of making a speaker like speakers should be.


Thus, we may not notice the phase issues going on here. All in all the performance of these H drivers look really good and appear worthy of future applications. Do we need to time-align the midrange and horn with steep slopes and a point of crossover around 1. There is a serious disconnect.

Actual SPL level at 1 meter distance and 2.

The good news is that you don’t need a huge amplifier to run the MTT section. On axis, I believe it is perfect, but what about 45 deg off-axis. International postage and import charges paid to Pitney Bowes Inc. Large enough and efficient enough to truly reveal what’s hidden in digital files and vinyl grooves.

Will usually dispatch within 5 working days of receiving cleared payment – opens in a new window or tab. How 3″ or 4″ compression driver behaves under Hz or may be Hz, because filters are not idealhow large the excursion of its diaphragm in the region under Hz??? JBL H Back to drivers. Made it intact, a little scuffed.

Why is the or something similar not used in the K2 series or Everest series? Compartment for Hypex module and passive crossover Click image to view large.

Sometimes the rise in impedance can be a useful tool in reaching target roll-off profile. If you want to use an attenuator for the horn, increase R13 to Ohm and insert the attenuator like this:.