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  1. Replies
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    Hi Ian, thanks a lot for your very detailed...

    Hi Ian,

    thanks a lot for your very detailed answers, really appreciate the time you put into it!



    This answers my question to 100%, thanks!
    Using 300hz as a crossover it is an even...
  2. Replies
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    @markd51: To simplifiy it: When bassdrivers and...

    @markd51:
    To simplifiy it: When bassdrivers and middrivers have the same sensitivity, the bassdriver will still require a multiple of the power of the middriver for the same level?


    @Ian:
    I get...
  3. Replies
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    Awesome to get to hear what everyone is using...

    Awesome to get to hear what everyone is using with their 4345, thanks!

    The Spec-sheet clearly states 200watts (including headroom), can`t argue with that.

    I totally believe the 10" midwoofer...
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    100 watts is actually a lot more than I wouldīve...

    100 watts is actually a lot more than I wouldīve expected.

    I thought you could get away with something like 20-30 watts.
    The mid-high section has a higher sensitivity than the bass. And Iīve...
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    4345 power requirements

    Hello,

    what is the optimum power of an amplifier to run the mid-high section of a 4345-monitor?

    The 4345 can be used with seperate amps for the 2245 and the mid-high section. There is a lot of...
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    Thanks a lot for these insights!

    Thanks a lot for these insights!
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    Availability of JBL diaphragms

    Hello,

    does anyone know if JBL still produces the diaphragms for the 2405 slot-drivers?
    I cannot find these for sale anywhere.

    I noticed they stopped producing the 2440 and 2441 diaphragms a...
  8. Me too! Definitly try this first, as it doesnīt...

    Me too!
    Definitly try this first, as it doesnīt cost anything and may be sufficient.


    In case you would like to tackle this problem further, there are basically two ways you can go.
    Active...
  9. As Ian has just mentioned, your room is nearly...

    As Ian has just mentioned, your room is nearly square so both room-modes kind of double up. Subjektivly you have ONE major peak.

    Maybe a Helmholz-Resonator tuned to those specific frequencies is...
  10. Thread: KM2

    by Dr.db
    Replies
    438
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    65,711

    These are some good arguments you have made. I...

    These are some good arguments you have made.

    I have owned the 12" woofer of your 4429, the 1200fe. It is an awesome woofer, for shure. But it is not specific what I had in mind.
    The 1200fe as...
  11. Thread: KM2

    by Dr.db
    Replies
    438
    Views
    65,711

    Iīm not an expert on these specific parts you are...

    Iīm not an expert on these specific parts you are asking about, but just some thoughts:

    If Im not mistaken the 476 has a copper shorting ring which the 2450/2451 donīt have...

    I like your idea...
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    Well done! I like how the pedestal mimics that...

    Well done!

    I like how the pedestal mimics that of the 250ti`s :)
  13. Replies
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    Maybe you can use some dusted 4" titanium -...

    Maybe you can use some dusted 4" titanium - diaphragms in your horndrivers?

    These should be available new for aprox 120$ and should be some kind similar to the 2441 type of sound.
    That would...
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    Awesome project, thumbs up!!!

    Awesome project, thumbs up!!!
  15. Replies
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    Thanks ;)

    Thanks ;)
  16. Replies
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    Thanks a lot for this additional info`s!

    Thanks a lot for this additional info`s!
  17. Replies
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    Yes, a stereo-amp per side would be on the safe...

    Yes, a stereo-amp per side would be on the safe side for shure. Allthough I get the impression it might not work with a single amp, I would be happier using less electronics.
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    @ widget: I think I know what you mean. You have...

    @ widget:
    I think I know what you mean. You have owned the Everest 66000 if Im correct and I believe those AL1501 woofers are a little bit more precise than the LE14H-3īs... Not mentioning the...
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    I get your idea of an augmented bass similar to...

    I get your idea of an augmented bass similar to the 4435 or everest models. Youīre absolutly right, for that purpose the LE14H-4 should be the choice.

    Iīm looking for woofers that are smaller in...
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    I thought x-max is always refeared to a...

    I thought x-max is always refeared to a distortion based measurement, whereas x-mech would be dependend on the mechanical capabilities...

    Both spec-sheets mention x-max, so I read these as...
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    Could you please explain your thoughts? Why...

    Could you please explain your thoughts?

    Why shouldnīt dual LE14H-3 work if dual 2235 work?
    I would use these below 300hz...
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    Kenny would be my choice as well. Comparing...

    Kenny would be my choice as well.

    Comparing the spec-sheets of both woofers, they have different x-max figures.
    2206 = 7,5mm
    1200gti = 5,5mm

    But the voicecoil-size and magnet system is...
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    @widget: Very insightful, thanks for sharing...

    @widget:
    Very insightful, thanks for sharing your experience.
    The LE14H-3 should behave similar to the 2235h as they use the same motor and voicecoils, shouldnīt they?

    I had a look at the Array...
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    @Barry: Thanks a lot mate ;) @Rob: I I...

    @Barry:
    Thanks a lot mate ;)

    @Rob:
    I I understood barry correct, the surround and spider should be identical. The coils seem to differ in material, but Iīm not shure about there size...
    ...
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    @widget: Thatīs a good idea, for shure. Right...

    @widget:
    Thatīs a good idea, for shure. Right now Iīm not looking to buy a specific amp, I`m rather trying to figure out if such a project makes any sense.
    If I would know that most amps wouldnīt...
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