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Thread: DIY JBL 4344 project

  1. #31
    Member JBLP's Avatar
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    Left and Right

    Cut outs ready.

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  2. #32
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    Question X-over

    There is X-over 3133A for the JBL4333A for sale.
    Can this be a good basis for a JBL4344 X-over by adjusting and adding some.....?

    Fore sale:
    Name:  130711 JBL 4333A X-over 3133A.JPG
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  3. #33
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    Making good progress. You'll be listening to them in no time.

    Are you going to put walnut veneer on the and paint the front baffle blue?

    looks great so far.


    Nick

  4. #34
    Senior Member Guido's Avatar
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    Quote Originally Posted by JBLP View Post
    There is X-over 3133A for the JBL4333A for sale.
    Can this be a good basis for a JBL4344 X-over by adjusting and adding some.....?

    Fore sale:
    Name:  130711 JBL 4333A X-over 3133A.JPG
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    I recommend using charge coupled crossovers made with new components.

    Congrats to this wonderful project!

  5. #35
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    Hey Nick,
    Yes, I'd like to go all the way: veneer on the sides and top with the walnut front trim, black back and plinth and THE JBL blue baffle.
    I found some discussions about the JBL blue....... didn't find the right one.
    RAL 5007 is close but not the one and the Kenrick Sound guys in Japan make them too blue.
    So, still investigating.

    Hey Guido,
    Thanks for reading and your recommendation.
    The crossovers will be a project on its own.....

  6. #36
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    Even though I don't own any jbl studio monitors, I really like that blue. I'll probably never buy any. But I'll definitely diy some 4350. I've always though they are the coolest speakers on the planet. But in also do the veneer and the blue paint. But I'd have to put a unique twist on them.

  7. #37
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    2235 fixings

    Bought the Mounting Kit for the 2235 on eBay from Duncs1946, CA, USA. Good stuff.

    Name:  130720 JBL2235 fixing-10.jpg
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  8. #38
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    2405 & 2425 fitting

    I made a reservation for 1mm packing behind the 2405 and 2425 drivers.

    Name:  130721 Driver placement-10.jpg
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    Next step will be the enclosure for the 2122; I'm thinking of something prefab.... tube?

  9. #39
    Senior Member Odd's Avatar
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    Enclosure for the 2122
    You can use tube if you calculate the volume
    See post 10

  10. #40
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    2122 Enclosure

    Thanks Odd. How do you know all these posts....??? You know your way.
    Looks like there is a answer on every question inside this Forum.

    Factory sizes of outside sewage pipes are 250, 315, 400,.... outside diameter.
    315 can fit. SN8, class 34 is the most thick one: 315 - 9,2 wall - 296,6 inside diameter.
    Post 10 (4345) has 14,3 ltr. The OS design cut has 15,5 ltr.
    If I go for the 15,5 ltr then I will need 225mm inside length. 10mm in the baffle and 20mm for the cover makes two lengths of 255mm.
    Lets find a road-paving-sewage contractor close by......

    Name:  130720 JBL2122 tube_resize.jpg
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  11. #41
    Senior Member Odd's Avatar
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    Quote Originally Posted by JBLP View Post
    Thanks Odd. How do you know all these posts....??? You know your way.
    Looks like there is a answer on every question inside this Forum.

    Factory sizes of outside sewage pipes are 250, 315, 400,.... outside diameter.
    315 can fit. SN8, class 34 is the most thick one: 315 - 9,2 wall - 296,6 inside diameter.
    Post 10 (4345) has 14,3 ltr. The OS design cut has 15,5 ltr.
    If I go for the 15,5 ltr then I will need 225mm inside length. 10mm in the baffle and 20mm for the cover makes two lengths of 255mm.
    Lets find a road-paving-sewage contractor close by......

    Name:  130720 JBL2122 tube_resize.jpg
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    Google is your friend.

    Search, jbl 4345 dog house site:www.audioheritage.org

  12. #42
    Senior Member Odd's Avatar
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    Name:  2122H.jpg
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  13. #43
    Senior Member ivica's Avatar
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    Quote Originally Posted by JBLP View Post
    Thanks Odd. How do you know all these posts....??? You know your way. Looks like there is a answer on every question inside this Forum. Factory sizes of outside sewage pipes are 250, 315, 400,.... outside diameter. 315 can fit. SN8, class 34 is the most thick one: 315 - 9,2 wall - 296,6 inside diameter. Post 10 (4345) has 14,3 ltr. The OS design cut has 15,5 ltr. If I go for the 15,5 ltr then I will need 225mm inside length. 10mm in the baffle and 20mm for the cover makes two lengths of 255mm. Lets find a road-paving-sewage contractor close by...... Name:  130720 JBL2122 tube_resize.jpg
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    Hi JBLP, 250 is fine, I have used

    regards
    ivica

  14. #44
    Senior Member just4kinks's Avatar
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    Quote Originally Posted by JBLP View Post
    Factory sizes of outside sewage pipes are 250, 315, 400,.... outside diameter.
    315 can fit. SN8, class 34 is the most thick one: 315 - 9,2 wall - 296,6 inside diameter.
    Post 10 (4345) has 14,3 ltr. The OS design cut has 15,5 ltr.
    If I go for the 15,5 ltr then I will need 225mm inside length. 10mm in the baffle and 20mm for the cover makes two lengths of 255mm.
    Lets find a road-paving-sewage contractor close by......

    Name:  130720 JBL2122 tube_resize.jpg
Views: 9399
Size:  63.6 KB
    You're sure there will be enough room to fit your 2425?

    Have you considered that you might want to upgrade later, to something bigger like a 2450 or 2441?

  15. #45
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    Went for the 315

    Got 60cm 315-pipe from a local contractor.
    Re-used the 2235 baffle cut-out to make the cover for the enclosure (save the planet...)

    Odd: like your graphics, what kind of program is it?
    Thanks Ivica, but I think the 200 will be too close to the T-nuts of the 2122.
    Just4kinks: it fits! I will post a photo with details. Thanks anyway.


    Name:  130724 2122 enclosure-50_resize.jpg
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    Too much pictures?

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