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  1. Replies
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    Do the 590s have a separate chamber for each 8...

    Do the 590s have a separate chamber for each 8 inch? If the bottom one is a helper, what frequency does it kick in on?
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    1,332

    I use Crown exclusively for Hi Fi. High damping....

    I use Crown exclusively for Hi Fi. High damping. Passes the entire audio band with low distortion. Never going to change.
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    Let me know what you think. JBL has made it...

    Let me know what you think. JBL has made it confusing with the LSR 308 and 308P
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    35,824

    I'm looking at the LSWR308s again and have to...

    I'm looking at the LSWR308s again and have to wonder why the newer version (JBL 308P MkII) is cheaper. Anyone?
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    1,508

    If it's cut all the way through, patch with a...

    If it's cut all the way through, patch with a touch of silicone. The more surgically-talented, the better.
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    I am not assigning any powers. I just thought the...

    I am not assigning any powers. I just thought the stiffness and the fact that it didn't "fray" was good. It's just right to work with, so the question(s) remain -
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    JBL speaker internal hookup wire

    As many 70s and 80s vintage speakers i have had the pleasure to enjoy, the one thing I love about them is the internal hookup wire.

    What was it, it it available or is there a modern day...
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    I have twp 2234s and, separately, two mass rings....

    I have twp 2234s and, separately, two mass rings. $4 dollars in dust caps and you can convert them to 2235s, though I would run them without and find out whether you want to leave them that way, or...
  9. My vote (FWIW) is the 2245. It is optimized in 8...

    My vote (FWIW) is the 2245. It is optimized in 8 cu ft as evidenced by the B460 sub JBL designed.
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    Those aren't terrible. Keep us posted. Following.

    Those aren't terrible. Keep us posted. Following.
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    The 30 ohm pot addresses the mids. Good luck. I...

    The 30 ohm pot addresses the mids. Good luck. I have built this network, it is not hard.
  12. 99dB with one watt and you have 30-50 watts? The...

    99dB with one watt and you have 30-50 watts? The math ought to answer your question.
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    It looks like the closest you'll get to that...

    It looks like the closest you'll get to that finish in 2019 is with Duratex and their foam roller. I buy it by the gallon because it looks good and id SO easy to work with.
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    I have been using the JBL instruction sheet and...

    I have been using the JBL instruction sheet and the result are stunning
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    8,493

    Search for 4430 crossover schematic ot JBL 3134...

    Search for 4430 crossover schematic ot JBL 3134 network schematic. They're out there. If you can't find a good example, send me a PM. I built two pair for DIY projects involving 4430 parts and an...
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    OK. Before I mount them on a horn and sweep test...

    OK. Before I mount them on a horn and sweep test them, I will pull the diaphragms and post pictures to be sure they're JBL, etc.
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    Thanks. Good. I'll mount them and sweep again.

    Thanks. Good. I'll mount them and sweep again.
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    1,523

    Free air impedance sweep of one of the 2425Js....

    Free air impedance sweep of one of the 2425Js. What does this tell me with regard to its behavior at 1kH?
  19. Yes, that's the one I referred to. They seem like...

    Yes, that's the one I referred to. They seem like a viable replacement and I'll be getting a pair of those to replace my aged/aging ones in the not too distant future.
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    I have had several drivers and systems identified...

    I have had several drivers and systems identified as to year of origin in the database. Register your numbers and you will, eventually, get an answer.

    4430s rock, js
  21. Read Zonker's review for that diaghragm on the...

    Read Zonker's review for that diaghragm on the Parts Express site.
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    2234H to 2235H

    I have a pair of 2234Hs and the JBL mass rings to convert them to 2235s. What adhesive is recommended that is not sloppy and wil hold them in place?
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    EarlK. You have taught me to run the sims on...

    EarlK. You have taught me to run the sims on EVERYTHING. Haha. Thanks

    JBL4ever - I will check the cap and terminals.

    This will be my first foray into 16 ohm drivers. Should be fun.
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    Here's one for ya...

    I have a 2425J and a 2425H. Both work and both have a DCR of 6.3. Is this the famous "JBL swung both ways" and I can assume 8 ohms when using an 8 ohm JBL crossover made for this driver?
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    I am no expert, but what I have gleaned from this...

    I am no expert, but what I have gleaned from this site is, one version was two-piece metal (yours) and the other was a monolithic plastic version. Same horn (for argument's sake) just two different...
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