This weekend i will measure the DC of my friend Driver too. I recall noticing the different DCR on my diaphragm compared to London and Birm Status: Buy a pair of blown or , thread off the adaptor, remove the rubber tire, remove the cast back cover with the push-button terminals. How different are the and , and should a generic aftermarket replacement fit both?

JBL 4430 4632 4660 Urei 811C 813C 815C Factory Part Horn Driver Repair Diaphragm. SS Audio Diaphragm For JBL 2416H, 2416H-1, D-2416.

D8R diaphragms use aluminum voice coil wire.

JBL 2416H-1 High Frequency Driver

It fits perfectly,so i don’t worry about. Possibly an aftermarket diaphragm was installed. Would also prevent the woofer and cabinet from modulating the diaphragm like it was doing in your case. Too bad the won’t fit any of the older structures. Now as for jbll out the internals, I’ll save that question for next week!

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I suppose that the LF driver could pressure up the cabinet high enough and long enough at very low frequencies to modulate the HF diaphragm through that vent hole. How to calculate growth rate of nominal gdp. Does anybody know the specs of this driver I cant find it on the JBL pro web site other than that its used in load of there cabs I have a pair of these 16ohm drivers and need another two for some identical cabs.

That being said, I suppose it is possible that the model progression could be as follows: This weekend i will measure the DC of my friend Driver too. I didn’t know the Radian ‘s had holes in the surround! I saw a lot of coming out of cabinets. Speak of the devil and the devil shows up! Good question Speak of the devil? All these seem like measures to cut back on production costs more than anything else Ok, thank you Rudyi think you’re right.

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Some of the veterans here ID’d them as drivers with H diaphragms installed. A bit less top end than the later drivers with slit phase plug. The Brochure posted ibl jblpro.

The Mylar surrounding looks like a simple plastic disc with eight holes in it. As the pair of these are wired in parrallel on my latest test project I want to make sure I have it right I have only seen pictures or heard about the H phase plug with the holes. Last Jump to page: Hi, today i swapped back to my original titanium D8R Now i read about the replacing Radian drivers with aluminium diaphragm and Mylar surrounding. All times are GMT One of his diaphragms doesn’t fit exactly 241 the driver-plate.

JBL 2416 / 2418 diaphragms

Automotive, Live and Home Custom Design. We noticed this before,because the Horn produced a “farting” sound by playing Bass-Sinus signals. When I mounted the bad diaphragm to the H and pushed on it, the space between the diaphragm and phase plug was MUCH greater, perhaps times as much as on the definitely not right.

Last edited by Rudy Kleimann; at You cannot post new topics in this forum You cannot reply to topics in this forum You cannot delete your posts in this forum You cannot edit your posts in this forum You cannot create polls in this forum Jlb cannot vote in polls in this forum. I posted the pics from an ebay auction here on another thread a few years ago, asking what they were.

Buy a pair of blown orthread off the adaptor, remove the rubber 2146, remove the cast back cover with the push-button terminals.

I’ve done my own tests on the JBL “Chinese” aftermarket diaphragms, The curve and distortion end up all over the place.

JBL made a H with that phase plug.