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Thread: JBL L110A refoam and stands

  1. #1
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    JBL L110A refoam and stands

    Hello all!

    I refoamed the woofers of my beloved L110A speakers . Please let me know is my refoam job done OK? There is no collision between the coil and the magnet, tested it with 50Hz tone.

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    I use stands shown on the picture I attached. Is it better using these stands or go for lower JBL stands?

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    Quote Originally Posted by vrobec View Post
    I use stands shown on the picture I attached. Is it better using these stands or go for lower JBL stands?

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    The refoams look great !!


  4. #4
    Senior Member SEAWOLF97's Avatar
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    stands ? tweet closer to ear level the better., but closer to floor or room corners reinforces bass.
    I know my life would look all right ..
    if I could see it on the silver screen

  5. #5
    Senior Member RMC's Avatar
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    Hi vrobec,

    Nice refoam job.

    As for the speaker stands, the higher they are and the further you move from 2Pi placement going more in the direction of 4 Pi placement (free field). This decreases room low frequency reinforcement or gain. You decide which LF sound you prefer most based on stand used. The speaker's owner manual should provide some placement guidance.

    On the other hand i note you seem to have a hard tile floor which is generally not great acoustically because of sound reflexions it promotes. Another reason why you need to experiment with placement/stands and play this by ear... Regards,

    Richard

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    Senior Member macaroonie's Avatar
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    Excellent refoam. Very tidy

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    Senior Member BMWCCA's Avatar
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    Your re-surround job looks fantastic!!

    Want to do my 10-inchers for me?
    ". . . as you have no doubt noticed, no one told the 4345 that it can't work correctly so it does anyway."—Greg Timbers

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    Thank you all! I tried my best.

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    Hello all!

    Just a short question about L110A. Today I measured with DMM the resistance on speaker terminals. One speaker is 5.1ohm, the other is 5.2ohm.
    I know the crossovers determines them, but are these values OK? The speakers sounding fine, but the specification say 8ohm.

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    Senior Member RMC's Avatar
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    Can't say if what you measured is correct or not. But the 8 ohm spec is a NOMINAL figure only. Its not unusual for speakers to actually measure lower than spec.

    Richard

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    Quote Originally Posted by RMC View Post
    Can't say if what you measured is correct or not. But the 8 ohm spec is a NOMINAL figure only. Its not unusual for speakers to actually measure lower than spec.

    Richard
    Just measured L19 speakers with DMM. They are 5.7ohm and 5.8ohm.

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    Senior Member RMC's Avatar
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    Just checked, i have DCR factory specs for most drivers alone, but not for systems unfortunately.

    Richard

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    Quote Originally Posted by RMC View Post
    Just checked, i have DCR factory specs for most drivers alone, but not for systems unfortunately.

    Richard
    Thanks for posting. Please, where can I find these specs for JBL drivers?

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    Senior Member RMC's Avatar
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    You can find some of this info in the Technical Manual of a driver or system (for those who have such sheet). In the attached example for L100T3 system look at the top of page 2 the DCR min./max. of each driver used is indicated. I have a JBL document with an extensive DCR numbers listing but cannot pass-on this one to you. If you have a specific driver DCR range enquiry i'll try to answer it.

    Attachment 88305

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    Quote Originally Posted by RMC View Post
    You can find some of this info in the Technical Manual of a driver or system (for those who have such sheet). In the attached example for L100T3 system look at the top of page 2 the DCR min./max. of each driver used is indicated. I have a JBL document with an extensive DCR numbers listing but cannot pass-on this one to you. If you have a specific driver DCR range enquiry i'll try to answer it.

    Attachment 88305
    Thank you. I need the specs for the following drivers: LE26, 116H, 033, LE5-10, LE111H

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