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  1. Thread: 250ti Top End

    by sweet212
    Replies
    34
    Views
    5,028

    $75 - very reasonable thanks Malefoda and Robh. ...

    $75 - very reasonable thanks Malefoda and Robh.

    What about software? What is the most economical and use-able software?
  2. Thread: 250ti Top End

    by sweet212
    Replies
    34
    Views
    5,028

    Yes thanks Opimax and Robh. I changed the...

    Yes thanks Opimax and Robh.

    I changed the connections to the drivers according to the resistance through the crossovers but that was not conclusive as the resistance was almost exactly the same....
  3. Thread: 250ti Top End

    by sweet212
    Replies
    34
    Views
    5,028

    I resurrected this thread to let you know the...

    I resurrected this thread to let you know the results.

    I have been very busy but my 250ti's are finally back together.

    Re-foaming the 035's was easy. The tweeters are now less prominent -...
  4. I replaced the crossovers caps in my old L212's...

    I replaced the crossovers caps in my old L212's many years ago with Solens. The difference was well worth it IMO - sounded so much better.
  5. Thread: 250ti Top End

    by sweet212
    Replies
    34
    Views
    5,028

    Someone has messed around with the terminals. The...

    Someone has messed around with the terminals. The black stripe lead with female spade terminal connects to the positive (+) speaker connection. This means the tweeter is in anti-phase - unless the...
  6. Replies
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    3,200

    The sub woofer amp in my old 212"s died. I had...

    The sub woofer amp in my old 212"s died. I had them repaired it was the power supply capacitors that blew.

    Thinking back now I should have replaced them with higher rated capacity capacitors....
  7. Thread: 250ti Top End

    by sweet212
    Replies
    34
    Views
    5,028

    I'm still waiting for the foam to come in the...

    I'm still waiting for the foam to come in the post but it should be easy enough to put back together. Would be worth your while to refoam your 044's. I'll let you know how different or not my 250ti's...
  8. Thread: 250ti Top End

    by sweet212
    Replies
    34
    Views
    5,028

    Thank you RD.

    Thank you RD.
  9. Thread: 250ti Top End

    by sweet212
    Replies
    34
    Views
    5,028

    Having bought these speakers a year ago and...

    Having bought these speakers a year ago and noticed someone has worked on them. I checked the polarity of the tweeter with the wiring diagram. Sure enough, whoever worked on them connected the black...
  10. Thread: 250ti Top End

    by sweet212
    Replies
    34
    Views
    5,028

    Thank you Malefoda. Your story gives me more...

    Thank you Malefoda.

    Your story gives me more confidence.

    Looking at the domes today I was surprised that there is no spider kind of suspension for the domes. As compared with lower frequency...
  11. Thread: 250ti Top End

    by sweet212
    Replies
    34
    Views
    5,028

    Thanks for your replies. The maker of the...

    Thanks for your replies. The maker of the replacement foam says the foam should made hemispherical to match the shape of the dome and about 10mm thick. OK that will definitely touch. Too much contact...
  12. Thread: 250ti Top End

    by sweet212
    Replies
    34
    Views
    5,028

    Well these 035TIA's came apart very easily. The...

    Well these 035TIA's came apart very easily. The grilles prized off with a ball point pen and the 4 screws were a snack.

    They look to my untrained eyes to be in great condition. The foam is 22 x...
  13. Thread: 250ti Top End

    by sweet212
    Replies
    34
    Views
    5,028

    Thank you both. This is not an easy job...

    Thank you both. This is not an easy job especially for a ham fisted and impatient one as myself.

    The best course is perhaps to buy some renovated 035ti's. The terminals are in a different...
  14. Thread: 250ti Top End

    by sweet212
    Replies
    34
    Views
    5,028

    Unscrewed the tweeters - they are 035tia's. For...

    Unscrewed the tweeters - they are 035tia's. For some unknown reason the authorized JBL service center will not recondition these speakers - 035ti's yes but not the 035tia's. What can the difference...
  15. Thread: 250ti Top End

    by sweet212
    Replies
    34
    Views
    5,028

    Thank you RD. When you say reproductions - you...

    Thank you RD. When you say reproductions - you mean copies of the tweeter by 3rd parties? I had a look at the boxes - they are "Classics" and also marked BQRC or BGRC - hard to read.

    Would...
  16. Thread: 250ti Top End

    by sweet212
    Replies
    34
    Views
    5,028

    Thanks for your reply. I will take your advice. ...

    Thanks for your reply. I will take your advice.

    I think these have the 035ti tweeters - could be wrong. Many years ago the Stereo Review article regarding the 250ti's raved about how sweet the...
  17. Thread: 250ti Top End

    by sweet212
    Replies
    34
    Views
    5,028

    250ti Top End

    Hi Everyone.

    I have a pair of 250ti's - the later gloss black early 90's versions.

    They sound great except for the top end. The best way to describe it is shreaky/steely - particularly on...
  18. Thread: LE14-1 noise

    by sweet212
    Replies
    11
    Views
    2,154

    I connected the woofers directly to the amp and...

    I connected the woofers directly to the amp and found the basiest music I could find. Surprise! They sound fine - I could not hear any rubbing or other sounds.

    When acoustically loaded back in...
  19. Thread: LE14-1 noise

    by sweet212
    Replies
    11
    Views
    2,154

    Thanks Earl It seems removing the dust cap...

    Thanks Earl

    It seems removing the dust cap and vacuuming out the remains of the filter may work.

    Perhaps the best way would be to remove the cone and thoroughly clean and remove all the old...
  20. Thread: LE14-1 noise

    by sweet212
    Replies
    11
    Views
    2,154

    Thank you Earl I will read your attachment...

    Thank you Earl

    I will read your attachment tomorrow and thanks again.

    Cleaning out the old filter material by removing the dust cap would need replacing the whole cone - I assume. These old...
  21. Thread: LE14-1 noise

    by sweet212
    Replies
    11
    Views
    2,154

    I had a JBL authorized dealer re-foam the woofers...

    I had a JBL authorized dealer re-foam the woofers and picked them up yesterday. Connected a signal generator before reinstalling them to test them. At low frequencies below 30 hz where the cone is...
  22. Replies
    5
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    3,278

    Is there a spam problem? I have been reading...

    Is there a spam problem?

    I have been reading this marvelous site for many years and have not noticed any. Please give examples.
  23. Replies
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    30,168

    Thank you! That was an indeed a misprint -...

    Thank you!

    That was an indeed a misprint - should be 4341. It was 40 years ago however they were fantastic sounding speakers. Smoother in the top end and faster than the 4350's IMO.
  24. Replies
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    30,168

    I've owned many JBL's since the early 70's. ...

    I've owned many JBL's since the early 70's.

    I went to Tokyo 2 years ago and hoped to hear some top enders while there. Unfortunately the best they had at the time were 4365's - which sounded...
  25. Thread: LE14-1 noise

    by sweet212
    Replies
    11
    Views
    2,154

    Thank you Don I will try that. BTW:...

    Thank you Don

    I will try that.

    BTW: Wasn't Santa Rosa burned by the recent fires?

    Regards
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