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    Thank you. RC

    Thank you.

    RC
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    4315B driver wiring??

    So,... I picked up a pair of 4315B's. Well, kinda 4315B's anyway. They're all JBL pro but the only original drivers are the 2405's. This was fine and dandy seeing as that was at the heart of my...
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    I dabbled in the world of active crossovers...

    I dabbled in the world of active crossovers several years back now. The actives I was using were pretty bare bones DBX SS and Marchand tube compared to the unit your using so comparisons really can't...
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    Looking good over there, Ron! New toy's are...

    Looking good over there, Ron! New toy's are always fun and it looks like you have some nice ones to play with. Good to see you getting back in the game again.

    RC
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    Your welcome, Yes, Frazier used a cone type...

    Your welcome,
    Yes, Frazier used a cone type diffuser in front of the driver to help route the sound wave around the first turn. It's clearly visible when you remove the rear compression chamber...
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    Hey Carl, These are a far cry from a "working"...

    Hey Carl,
    These are a far cry from a "working" set of drawings but may provide some insight into the design itself. I'm actually running a pair of these as a LF horn in a work-in-progress DIY 3-way....
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    I have a 6260 and it's seen most use in bridged...

    I have a 6260 and it's seen most use in bridged mode for subwoofer use.

    As crazy as it sounds, I'm currently using it bridged to drive a University 315 in a K15 cab in my mono system. I usually...
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    That looks like a pretty slick way of handling...

    That looks like a pretty slick way of handling it, Lee. If and when I get back to horsing around with mine, I'll steal that idea and run with it myself :)


    So far, I built crossovers based in...
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    Nice looking Stromberg amp there Heather! I've...

    Nice looking Stromberg amp there Heather! I've heard a couple of these 433's and thought they were pretty special. You really can't go wrong with a 6BQ5 but these sound particularly nice and I love...
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    This has been a fun thread to watch, Lee. I have...

    This has been a fun thread to watch, Lee. I have a pair of these also and are in similar condition to what you started with. The only thing holding me back from doing a restoration to mine has been...
  11. I don't remember exactly but seem to recall that...

    I don't remember exactly but seem to recall that there were x-over revisions along with higher quality components used. There may have been driver changes also but it was long enough ago that the...
  12. The original Kestral is a nice speaker but the...

    The original Kestral is a nice speaker but the "Hot Rod" version the followed addressed what you are noting and more. I heard and liked the original Kestral but was actually moved to buy a pair after...
  13. I had a pair of Kestral (Hot Rod version) about...

    I had a pair of Kestral (Hot Rod version) about 10 years ago. They were very nice speakers and one's that still miss having around to this day.

    They don't have grilles as such but a sized grille...
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    If you haven't ventured down this road in the...

    If you haven't ventured down this road in the past, I think you may be shocked to hear what a 8-15 watt tube amp will do with your speakers. Even more so if you have the opportunity to audition...
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    Nice work and well thought out, Lee! A pair of...

    Nice work and well thought out, Lee!

    A pair of those sure would come in handy around here that's for sure.


    RC
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    Happy Birthday my friend! Seeing as how you are...

    Happy Birthday my friend! Seeing as how you are a couple of years older than myself, I think I'll always be able to refer to you as a old geezer ;)


    RC
  17. Thread: Jbl 4672a

    by doucanoe
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    That would be a question best answered by Andy I...

    That would be a question best answered by Andy I would imagine, Ron. Like I said above, I don't know how you can squeeze out much over 15-16K from a 2426 but I have been told on more than one...
  18. Thread: Jbl 4672a

    by doucanoe
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    Jbl 4672a

    I made a trip yesterday to visit a friend who is in the theater sound biz. He's been upgrading and replacing these old cinema systems for years and has accumulated many of the old JBL and Altec...
  19. Those are looking very nice, Mark! Veneered or...

    Those are looking very nice, Mark! Veneered or not, the build quality of the cabs shines through.

    My most significant listening experiences with the 604 have come from listening to Gary's and...
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    Be's for the 2425/2426 sure would get my...

    Be's for the 2425/2426 sure would get my attention if and when they become available.

    I'm not going to hold my breath for a version that would work in the EV DH1A though ;)

    RC
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    Oh my. This is sad news indeed :( Rest in...

    Oh my. This is sad news indeed :(

    Rest in peace, Scott. You will be missed.

    RC
  22. Actually, for my applications to date it has...

    Actually, for my applications to date it has proven pretty close to other published parameters for the drivers I have tested. I will say this though, I have ended up sweeping 3 or so times to get...
  23. Great :( RC

    Great :(


    RC
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    Thanks guys! Great info. for me to work with now...

    Thanks guys! Great info. for me to work with now :)


    RC
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    I figured that it was what was shown for the MA25...

    I figured that it was what was shown for the MA25 kit but the frame shown threw me off a bit.

    10K max, eh.

    Other than the inductors, I think I have enough to breadboard a 2nd order Butterworth...
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