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  1. Replies
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    Wow those are really old! Nice speakers! Rob:)

    Wow those are really old! Nice speakers!

    Rob:)
  2. Thread: KM2

    by Robh3606
    Replies
    150
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    8,951

    Look at the data sheet. Response drops like a...

    Look at the data sheet. Response drops like a stone from 10K

    Rob :)
  3. Thread: KM2

    by Robh3606
    Replies
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    8,951

    That the there is a throat mismatch to the horn....

    That the there is a throat mismatch to the horn. They use mylar like the 2435/2431 435Be 435Al

    Rob:)
  4. Thread: KM2

    by Robh3606
    Replies
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    8,951

    I don't see the worry. What media are you using??...

    I don't see the worry. What media are you using?? If it's CD anything above 20K is a moot point!

    Rob:)
  5. Replies
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    Do a search Mark Gander ...

    Do a search Mark Gander


    https://www.stereophile.com/features/105kh/index.html

    Rob:)
  6. Thread: KM2

    by Robh3606
    Replies
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    8,951

    When I built my Be Arrays I used the 045Be and it...

    When I built my Be Arrays I used the 045Be and it was in the upper 90's as far as sensitivity. I had to pad it down to meet the LE-14H-3 so it is definitely not 87Db. That documents seems a bit...
  7. You should be able to just swap the caps. ...

    You should be able to just swap the caps.

    Rob:)
  8. Replies
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    12db slopes with level attenuation. Rob:)

    12db slopes with level attenuation.

    Rob:)
  9. Thread: Voltiaudio

    by Robh3606
    Replies
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    18,991

    Hello Greg This is a 6 year old thread...

    Hello Greg

    This is a 6 year old thread surprised you are responding to it now as you just brought this back into the frey. Glad you are doing well through this nightmare.

    Here are a couple of...
  10. The E-145's are 98Db 1 meter. I use them in my HT...

    The E-145's are 98Db 1 meter. I use them in my HT mains.

    http://www.audioheritage.org/vbulletin/showthread.php?10655-E145-8-150-4H


    ...
  11. I think either a K or E145 would be the closest...

    I think either a K or E145 would be the closest function wise.

    Rob:)
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    Rick Cobb yes I would too! Rob:)

    Rick Cobb yes I would too!

    Rob:)
  13. Replies
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    Those are the front mounted gaskets but drivers...

    Those are the front mounted gaskets but drivers are rarely mounted that way. Used to be cork back in the day. You should be able to get replacements for a 12" driver but they probably won't match...
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    Here we go again. Take a simple 2 way and spring...

    Here we go again. Take a simple 2 way and spring for the extra caps. Have a listen and decide for yourself.

    Rob:)
    ...
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    I have a pair of 590's as well. Sound fine to me....

    I have a pair of 590's as well. Sound fine to me.

    Rob:)
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    You can get the 2435 diaphragms from several...

    You can get the 2435 diaphragms from several places. These are not aguaplased but are otherwise identical. What happened to the original??

    Rob:)
  17. Thread: KM2

    by Robh3606
    Replies
    150
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    8,951

    Hello Ivica Thanks for posting that. ...

    Hello Ivica

    Thanks for posting that.

    Something is not right?? We must be measuring under different conditions. I don't show any significant roll off until about 700Hz. I got the same...
  18. Thread: KM2

    by Robh3606
    Replies
    150
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    8,951

    Hello Ivica Why do you think the loading is...

    Hello Ivica

    Why do you think the loading is not good below 1200Hz with the M2 horn?? I had no problem at all crossing at 700Hz 18db electrical slopes. Above 10K the M2 has directivity issues just...
  19. Yes this is a bit odd. I actually used Le14A's as...

    Yes this is a bit odd. I actually used Le14A's as subs in 4 cubic ft boxes for years and the had plenty of kick. I still have them and they work just fine. Can you check the woofers for free air...
  20. Thread: KM2

    by Robh3606
    Replies
    150
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    8,951

    In case you have not seen this it's a good...

    In case you have not seen this it's a good reference. Might give some ideas and there is quite a bit of good info that you may find useful.
    ...
  21. Thread: KM2

    by Robh3606
    Replies
    150
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    8,951

    If you look at the schematic the 476Mg runs all...

    If you look at the schematic the 476Mg runs all the way out no low pass. I use them in my passive M2 and they run out past 22k and they are very clean looking on a waterfall. No hint of break-up you...
  22. Took long enough! Finally got the 2453SL's...

    Took long enough! Finally got the 2453SL's integrated into my HT mains. They sound really good! Glad I made the change.

    Rob:)
  23. What condition is the passive radiator the PR15C....

    What condition is the passive radiator the PR15C. You should also have foam surrounds on them as well. If you take the passives out there should be disks on the center to add weight and lower the...
  24. Thread: KM2

    by Robh3606
    Replies
    150
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    8,951

    Take a look at this ...

    Take a look at this

    https://www.audiosciencereview.com/forum/index.php?threads/jbl-m2-audiolense-digital-crossovers-w-subs.2369/

    Rob:)
  25. Thread: KM2

    by Robh3606
    Replies
    150
    Views
    8,951

    It's all here ...

    It's all here

    https://jblpro.com/en/products/sub18


    Rob:)
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