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  1. You might call GPA, but I think that's just...

    You might call GPA, but I think that's just packaging protection, I can't imagine it being mounted between the diaphragm and phase plug.

    I only found one other pic, no mention of installing that...
  2. I think I'd just leave the horn as is. While it'd...

    I think I'd just leave the horn as is. While it'd look better painted, it wouldn't match the bass bin - it might look like somebody tried to just slap some components together, worn patina on the...
  3. Even further down, there is the 2450SL driver...

    Even further down, there is the 2450SL driver that is a 1.5" exit/no snout - looks like a 2451 except different bolt pattern. With the coated diaphragms having the -SL designation, it makes things...
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    Grizzly makes butcher block workbench tops in...

    Grizzly makes butcher block workbench tops in several sizes.

    https://www.grizzly.com/search?q=(categoryid:360100)
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    http://www.audioheritage.org/vbulletin/showthread....

    http://www.audioheritage.org/vbulletin/showthread.php?29531-Differences-between-D208-and-2110

    Says there that the 2110 and D208 took the same cone kit, so hopefully sound fairly similar.

    The...
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    I wouldn't try to overthink it too much on power,...

    I wouldn't try to overthink it too much on power, I imagine these were powered with any number of pro amps of the era (like the Crown DC 300 or PS 400) that didn't make 4000 watts a channel like some...
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    Here's a H4338 painted with it...

    Here's a H4338 painted with it
    http://www.audioheritage.org/vbulletin/attachment.php?attachmentid=85980&stc=1&d=1583292519
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    I don't know if it's available in Turkey, but see...

    I don't know if it's available in Turkey, but see if you can find some Rust-Oleum Universal Flat Soft Iron spray paint.

    1audiohack discovered it when trying to match the horns on his 4365 monitors...
  9. Mogami was the JBL supplier for some time from...

    Mogami was the JBL supplier for some time from what I gather (I'm no 2245 expert, but have some and have read a bit about them) so it absolutely can be an original JBL part. JBL used a few different...
  10. looks like a recone with all the glue around the...

    looks like a recone with all the glue around the spider.

    Mogami cone according to this thread

    http://www.audioheritage.org/vbulletin/showthread.php?20292-2245H-recone-done-right

    But maybe...
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    Yeah, this can't be emphasized strongly enough....

    Yeah, this can't be emphasized strongly enough. Make absolutely certain you know exactly what kits he's installing for less than the cost of a JBL re-cone kit.
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    I think you meant to address Don C, I just...

    I think you meant to address Don C, I just reposted a pic of his speaker.
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    The Pass XVR1 has a 290hz option at 6/12/18/24 dB...

    The Pass XVR1 has a 290hz option at 6/12/18/24 dB slopes. User selectable, no cards required.

    https://www.passlabs.com/sites/default/files/XVR1_om.pdf
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    Just $.02US, but I'd bet that the D130 cone kit...

    Just $.02US, but I'd bet that the D130 cone kit from JBL is long discontinued. As close to factory as possible - your present configuration may be closer to factory (save the dust cap) than anything...
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    The post I quoted had the 2450Be on the Woody...

    The post I quoted had the 2450Be on the Woody horn, but I didn't post the graph:



    http://www.audioheritage.org/vbulletin/attachment.php?attachmentid=51023&stc=1&d=1303363834
    ...
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    Poll: Look 40, feel 90, party like 20.

    Look 40, feel 90, party like 20.
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    Biased is charge coupling, a small DC voltage is...

    Biased is charge coupling, a small DC voltage is applied to the junction of a pair of series capacitors. The size and number of capacitors in a given crossover is doubled so expensive caps are rarely...
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    Schematic ...

    Schematic

    https://manuals.harman.com/JBL/HOM/Technical%20Sheet/L65A%20Jubal%20ts.pdf

    Edit: See now that you said you found the schematic already, so you're set
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    JohnW made the replica Bel Aires, it's been quite...

    JohnW made the replica Bel Aires, it's been quite a while back.

    http://www.audioheritage.org/vbulletin/showthread.php?8495-Bel-Aire-42020-copies
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    I have more than enough parts to do any builds...

    I have more than enough parts to do any builds that I would want, I was speaking more about the hypothetical newcomer who might stumble in looking for some vintage parts sources. Sure, you can gamble...
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    That was kind of my point. I think every now and...

    That was kind of my point. I think every now and then somebody might pop in wanting to build a 4315, for example. That's a tall order, I bet there's not more than a few people in the world who could...
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    Not long ago I saw Vinny post looking for a...

    Not long ago I saw Vinny post looking for a source for original 2402 diaphragms. Yep, this place is gonna be dead for that unless somebody happened to have a pair stashed away. Simply Speakers and...
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    If you go with an active crossover, diaphragm...

    If you go with an active crossover, diaphragm impedance isn't as big of an issue as it is with passive crossovers.

    There are guys on here who prefer the coated diaphragms to Be diaphragms if used...
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    They have them, but they are a bit more expensive...

    They have them, but they are a bit more expensive

    https://reconingspeakers.com/product/jbl-d16r2451sl-diaphragm/
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    Here's a plot Barry did years ago on a Woody...

    Here's a plot Barry did years ago on a Woody Banks Yuichi semi-clone (I think it's just a bit smaller than the A290 Yuichi). I'm not sure if this is the test plot Barry was thinking of or not, I bet...
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