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  1. Replies
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    I have subsonic ultrasonic , and also a filter...

    I have subsonic ultrasonic , and also a filter just for vinyl , apt holman preamp,. this problem is present with any source material at the edge of the speakers acoustic output capability . around...
  2. Thread: 5547-9a timeline

    by joe
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    subwoof set me straight . in case anyone else was...

    subwoof set me straight . in case anyone else was curious only some of the pre jbl urei eq's had those sticky white plastic sliders . my question was irrelevant.
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    one question about the SVG motors

    jbl said in tech notes volume 1 number 22
    -------------------------------------------------
    1. Thicker top plate and magnet structure. These
    afford better heat sinking and greater flux in the gap...
  4. Thread: Hey, I'm Famous!!!

    by joe
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    I've heard some of those old "marketing" speakers...

    I've heard some of those old "marketing" speakers . They were messed up for sure BUT where would you buy something better today ? In the 70's and 80's there were hifi stores that had kabukis and good...
  5. not sure about those particular drivers but the...

    not sure about those particular drivers but the 2430 differed from the 2431 only in the wire gauge that was used in the voice coil . the voice coil winding depth remained the same, the membranes were...
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    A 40hz port and an 80hz problem

    Hello all I have a pair of jbl en5 cabs loaded with e145 woofers they have been ported , to begin with , with jbls recommendation of using the 4"x4" port . but I have problems at high spl with...
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    240x magnet material

    What magnet material was used in the old 240x tweets ? in the literature they talk about it possessing highest residual flux density , max energy product, highest performance in actual production ,...
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    with the 4628b network provisions were made so...

    with the 4628b network provisions were made so that you could use two 1/4 phone jacks if you wanted to biamp .Doing that will divide the network automatically , it is no trouble .
    ...
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    the high end sounds fine presently , the reason...

    the high end sounds fine presently , the reason I'm thinking about doing this is to help prop up the woofers with an amp of their own and buying a smaller amp for the top end. I just have a simple ,...
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    for biamping purposes ...6290 + 6230 or 6260 ?

    I have the 6290 for the e145's would the 6230 be enough to drive 2123h & 2404 , or do I need the 6260 ? If I change to 2227h and 2012h + 2404 would that change your recommendation ?
  11. here's some stuff to read

    I've been boning up on eq's too.

    this is as handy as a pocket on a shirt when it comes to actually using one
    http://www.idmforums.com/showthread.php?t=18237

    this has good info even if you're...
  12. Thread: 5547-9a timeline

    by joe
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    6,314

    5547-9a timeline

    does anyone know at about what time jbl switched to the metal sliders in preference to the white plastic ones ? I have one with a serial number of 11,450 (5547a) that does have the metal sliders ,...
  13. Thread: e145 cone kit # ?

    by joe
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    e145 cone kit # ?

    anybody know that # off the top of your head ?
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    suppliers such as enco and msc sell shim stock in...

    suppliers such as enco and msc sell shim stock in all manner of sizes ,materials ,and thicknesses.
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    let's see if we can agree on some sounds that we...

    let's see if we can agree on some sounds that we have both heard so we'll know if our perceptions are roughly equivalent.


    on L100
    led zeppelin 4 " black dog" the vocals sound a little shrill...
  16. Thread: LE-25 foam

    by joe
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    That stuff is supposed to be microphone...

    That stuff is supposed to be microphone windscreen material " acoustically transparent" or is that L100 grill foam ?

    IN ANY CASE ! I don't think it matters a hell of a lot. My L100's don't have...
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    I only see one set of wires ...

    I only see one set of wires ...
  18. Thread: Studio monitor

    by joe
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    Starting in the middle and working your way out I...

    Starting in the middle and working your way out I think El Cheapo , lsr 6332, l100 ( or whatever you have) as "nearfields" . I cannot overlook the 4301 , I've never heard it but it is regarded as a...
  19. Thread: Studio monitor

    by joe
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    Of course Mr McRitchie is right on ,right down...

    Of course Mr McRitchie is right on ,right down the line . If you want a "hifi" monitor with absolutely flat response use lsr6332 , since you already have l100? keep them and use both ! The contrasts...
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    That's a very helpful comparison zilch. It does...

    That's a very helpful comparison zilch. It does seem to confirm my suspicions that the lighter diaphragm will provide more air , which I like , and probably also cool it down a little . Coz the fram...
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    It's time for phase III I believe . The sound...

    It's time for phase III I believe .

    The sound of the 2118's improved in the new enclosures , but they are still being outdone by the other drivers and are a little shadowed on their own anyway.
    ...
  22. I can get you the dimensions for EN5 cabs easily...

    I can get you the dimensions for EN5 cabs easily enough but they are too big to ship except by truck , that's the main reason I got my cabs for only 100 bux the dude wouldn't ship them and their...
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    are the SS rectifiers IN4007's ? that's what a...

    are the SS rectifiers IN4007's ? that's what a number of guitar amps use . I've been thinking about doing tubes because I know my way around tube amps moreso than I do SS amps , but that isn't saying...
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    Firstly I'm sorry for doubling up on te photos !...

    Firstly I'm sorry for doubling up on te photos ! This is the 1st time I've put a photo on this site and I messed up , it won't happen again ! When I try to edit it I perform an "illegal action"...
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    http://i45.photobucket.com/albums/f75/skxe/cabaret...

    http://i45.photobucket.com/albums/f75/skxe/cabaretV.jpg

    ~ 700 dollars later , TAH DAHHHHH ! the JBL Cabaret V .
    I could have called it the jbl cabaret 4628b en5 , but that doesn't roll off the...
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