Activity Stream

Anyone else see this?? I don't get it there very well may not be an analog master tape been recording in digital since the 80's Rob :) ...

Colleagues, Due to my Wife's illness, I was unable to spend much time at the show, but I was favorably impressed with the quality of the various...

Hello everybody! I've been enjoying my XPL200's for quite some time now, but I am looking for a subwoofer to help ease the burden on the 2214H's,...

Curious if anyone has ran any of the older 1 inch compression drivers with newer horns. I'm planning on buying a set of 2360A horns that came up on...

Okay I am almost at the finishing point of putting these JBL 4312 speakers back together. However today I noticed that there is a wiring mishap...

As you may have noticed, the forum was off line and/or buggy earlier today. Due to behind the scenes maintenance, the server that our forum uses...

New member here. Has anyone had success designing an active crossover for the S9900? I remember hearing that Mr. Timbers uses them with an active...

I have a pair of later 4310 monitors, the midrange of one is not working. I've removed and resistance-tested both midrange speakers. The DC...

What electronics would have been in this? What is missing? The last image is from High Fidelity magazine 12/1968.

Yes, I don't know where I should have posted this. I just got some JBL pro covers from Sweetwater that were on sale. These fit the vrx18s cabs. They...

Can anyone tell me or direct me to documents highlighting differences between the different Altec Lansing 417 speaker versions ? I tried finding the...

Hi Anybody knows the exit angle of the jbl 2450sl?

I’m rebuilding a pair of 435Be drivers. I got a sample of the APG S38N series ferrofluid, cleaned the coil gaps, put the 100 uL of ferro in the gap...

Hello: I bought these two speakers from an online auction locally. I could tell they appeared to be 1960 era JBL's and the 15" drivers appeared to...

I mean, besides the obvious someone painted the cone. Not sure how or why you 'dust' with paint... nor why someone would do that to a woofer cone??! ...

Hi all , very new to the forum …. Loads of interesting info on here but I’m can’t find a set of plans for a 4343 build .. do I use the JBL 7litre...

Good day all! I've been considering picking up a used pair of S3900 or S4700 after recently hearing the JBL 4367 and being blown away by how "alive"...

The big full range are discontinued. For touring it was a bit heavy. For permanent big venues It's still the best . The big venues still use the...

Hi, I was wondering if anyone knew what the coating on the cloth double rolled surrounds of the K145 was. Mine seem to be a little stiff/dry,...