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This is audio though. There is not a XO desgn book, XO online discussion I have been involved with over the years that used the term condenser. Hence my question/confusion.

You are not putting a...

Thanks, the title makes sense to me now. :D

I did understand the discussion was about Capacitor but the title had me confused.

Why would you say 6dB/oct is not much protection? It will still save the CD from a low frequency signal (ie.DC thump!!)


I have always used single large Caps for 6dB/octave protection with ALL...

The question was about K2 horizontal and vertical polars. I can not remember the thread off hand right now.

:D Yep, that would be me.

Im building my own K2 type clone with TAD CDs, larger horn and these JBLs.

Here are the WinISD parameters.
51834

Btw, I added a HPF @ 35 Hz and yes, it drops the port velocity some but with the 5" port its still around 50 ft/sec. I guess we do not hear that during...

Yes, 120+dB is loud but for an HT room with 20foot listening distances movie peaks can produce that output so Im just trying to make sure my design meets certain requirements.

I understand the...

Sorry I forgot to post that the ports in the JBL 4548a-8 are 5.25" x 4.5", I modelled that box with those two ports with 300Watts and the port velocity is > 70ft/s which is more then double the...

New to this forum...I now own 4 JBL 2226Js and 2 JBL 2225Js, I also own the JBL 2" CDs (I forget which model) that Im mounting on a IWATA-300 horn (LeCleach design from DIYAudio.com).

I have...