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  1. Replies
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    Hello All,Lately I have been trying to settle on...

    Hello All,Lately I have been trying to settle on a CD / waveguide combination. I seem to like the JBL D2 2430H CD and the current version of the rectangular PT95 90 X 50 degrees. The thinking is that...
  2. Ten Years later. This is the JBL2123 in a...

    Ten Years later.

    This is the JBL2123 in a sealed 0.83 FT3 box, mike at near field.
    Measured with AP APx 555.

    Thanks DT
  3. Replies
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    21,649

    Hello All, Trying all the combinations of CD's...

    Hello All,

    Trying all the combinations of CD's and horns / waveguides is much of the fun of DIY.

    Add in the equalization and DSP stuff there is so much fun that it gets a bit complicated.
    ...
  4. Replies
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    Thanks for the replies with links. I have an...

    Thanks for the replies with links.

    I have an order in at Mouser for the 3.3uf + 4.7uf capacitors and resistors.

    POS I did note in one of your links that you speak of the passive network...
  5. Replies
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    1,474,906

    Hello, I know that is years later. As the...

    Hello,

    I know that is years later.

    As the discussion goes around the purpose of the resistors and capacitors.

    I see it some thing like this:

    1 the capacitors provide DC and low frequency...
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    JBL2110 (D208) JBL2202 (075) Crossover?

    Hello,

    While locked here in the house I have been sorting and cleaning.

    I came across a pair of new in the box JBL2110’s and a pair of JBL 2202 Bullet tweeters.

    These drivers look like they...
  7. Replies
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    Hello, Read the cancer warning on the bag. ...

    Hello,

    Read the cancer warning on the bag.

    Think about the fibers being pumped out of the reflex port for you and your children to breath.

    Thanks DT
  8. Are JBL 2119 and JBL 2118 baskets the same?

    Hello,

    I just bought a dozen used JBL 2118H drivers.

    Can I make a 2119 out of a 2118 basket with a 2119 recone kit, or the other way around?

    From a couple of feet away the 2118 and 2119...
  9. Replies
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    I could not help myself replying to this old...

    I could not help myself replying to this old thread.

    I remember Bertha Butt she and Wanda were the Butt sisters.

    DT
  10. Replies
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    Hello and happy New Year, We are back from...

    Hello and happy New Year,

    We are back from the northern California coast.

    I agree with you all the way down to the fact that the 2241 is not a subwoofer. When it gets to compromises and...
  11. Replies
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    Hello, Yes 1 watt doubled 4 times is 16 watts...

    Hello,

    Yes 1 watt doubled 4 times is 16 watts or plus 12dB’s.

    Yes 100 watts times 16 is 1600 watts; however we are not living on that planet. Remember the premise here. This JBL 2241 is...
  12. Replies
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    Hello, I agree that ½ cubic foot out of 5 is...

    Hello,

    I agree that ½ cubic foot out of 5 is not going to be much difference either way.

    Another option is to build the enclosures with a port(s) and tune to your prescribed resonance and...
  13. Replies
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    Hello, I too have a pair of 2241H’s on the...

    Hello,

    I too have a pair of 2241H’s on the shelf. The size of the required reflex enclosures puts me off a bit as well.

    I am thinking that putting these drivers into closed 4.5 ft^3 boxes...
  14. Hello, I just searched the WWW looking for...

    Hello,

    I just searched the WWW looking for information on horn distortion and came across this thread. I am surprised with the misunderstanding of dB’s.

    Even if this is from years ago here...
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    Hello Richard, Yes there are low frequencies...

    Hello Richard,

    Yes there are low frequencies bouncing around in an Modal way and there are direct and reflected high frequencies, in between the low and high frequency regions there is a Schroder...
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    I have been playing with these drivers. The...

    I have been playing with these drivers.

    The mid is now a JBL 2123H crossed over at 300hz and 2000hz.

    At the 2k cross over the Directivity Index matches the JBK 2425H/Eighteensound XT1086...
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    How did this project turnout?

    I now have something similar going on.

    I have a new garage and need some tunes. First I will try the tri-amp arrangement to get it going. Then I will cobble together a passive crossover when I...
  18. Replies
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    Back to the same indoor sports as a year ago!

    Happy New Year!:)

    Back to the same indoor sports as a year ago!

    There have been several versions of rough cabinets so far. Woofer cabinets, mid cabinets and high frequency cabinets for stack...
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    Ultra-High Frequency Transducer(s)

    Ultra-High Frequency Transducer(s)

    2402, 2404 and 2405.

    I own a pair of each. I am confused.

    The first time I listened to the 075, the civilian version of the 2402, it was coupled with a...
  20. Replies
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    Dolly Parton horn

    The reference was to the 4430/4435 Bi-Radial Studio Monitors that used the Dolly Parton horn. They did sell a million of these.
    The frequency response did have some peaks and valleys.
    All just for...
  21. Replies
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    Brother you said a lot in just a few words. ...

    Brother you said a lot in just a few words.

    There is a lot of complexity to all of this, we try different things and make hopefully informed compromises. Looking at the JBL 2404 frequency...
  22. Replies
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    Baby cheeks 2404

    Oops yes that is a Baby cheeks 2404 I am talking about.

    DT
  23. Replies
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    iterations

    Hello,

    There have been several iterations of this project over the last couple of months.

    I do not like how the JBL 2118’s work out with the JBL 2406’s. In this combination the 2406’s are...
  24. Keep an eye on ebay. In recent weeks I purchased...

    Keep an eye on ebay. In recent weeks I purchased 4 JBL 2118's for $40 each.
    DT
  25. Replies
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    There are lots variations to try. Like others...

    There are lots variations to try. Like others here I have been matching and mixing the combinations. Some program material really does need a dedicated driver for the bottom end. The 2226 is not a...
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