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Thread: Fabrication years and serial numbers

  1. #1
    Registered User paragon's Avatar
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    Fabrication years and serial numbers

    Hello to all,

    What year are several drivers build (serial numbers) ??
    May i have the year with the serial number or not ??

    Greetings to all
    Eckhard

  2. #2
    Super Moderator Hofmannhp's Avatar
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    Re: Fabrication years and serial numbers

    Originally posted by paragon
    Hello to all,

    What year are several drivers build (serial numbers) ??
    May i have the year with the serial number or not ??

    Greetings to all
    Eckhard
    Hi Eckhard, it's me again

    this is the right question for Giskard.
    I can imagine, that they (JBL) have a detailed list with the numbers (for guarantee problems) and are able to find out the fabrication year.
    What should the numbers be for, if not for this???

    HP
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  3. #3
    Webmaster Don McRitchie's Avatar
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    I know for a fact that this is not the case. The Northridge earthquake back in 1993 destroyed the majority of JBL's production records. Therefore, they have lost the ability to correlate serial numbers with year of production.
    Regards

    Don McRitchie

  4. #4
    sluggo47
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    I have a D130 serial # 82039 that I'd like to hear any guesses as to its age.

  5. #5
    Senior Member glen's Avatar
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    Quote Originally Posted by sluggo47
    I have a D130 serial # 82039 that I'd like to hear any guesses as to its age.
    Well, since you're asking for guesses...

    I have seen D130 serial numbers as high as 90661 so I think your 82039 serial number would place it kind of towards the end of the line in the mid to late 1960s.

    Just a guess until we get more info in the serial number registry thread
    glen

    "Make it sound like dinosaurs eating cars"
    - Nick Lowe, while producing Elvis Costello

  6. #6
    Super Moderator Hofmannhp's Avatar
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    how old??

    Quote Originally Posted by sluggo47
    I have a D130 serial # 82039 that I'd like to hear any guesses as to its age.
    Hi Sluggo,

    the JBL-Registry says:
    No. 26536----> 1957
    No. 40812----> 1960

    highest No. in the Registry: 212167 -----> ??

    The D130 was first built in 1948 and the last in 1977 (unconfirmed)
    Glen maybe right with his assumption mid to late 60's

    HP
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  7. #7
    Senior Member richluvsound's Avatar
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    4435's

    Hi guys,
    can you tell me the year they were made please ?

    left, 251056

    right, 257770

    cheers ,Rich

  8. #8
    Super Moderator Hofmannhp's Avatar
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    aging

    Quote Originally Posted by richluvsound View Post
    Hi guys,
    can you tell me the year they were made please ?

    left, 251056

    right, 257770

    cheers ,Rich
    Hi Rich,

    251056 seems to be from end 1982
    257770 from mid 1983
    (where are they?)

    regards

    HP
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  9. #9
    Senior Member richluvsound's Avatar
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    London,UK

    Hi HP,
    aging ! but beautiful.
    I'll let you have the serial numbers of the components when I refurb them.
    Rich

  10. #10
    Super Moderator Hofmannhp's Avatar
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    4435

    Quote Originally Posted by richluvsound View Post
    Hi HP,
    aging ! but beautiful.
    I'll let you have the serial numbers of the components when I refurb them.
    Rich

    Hi Rich,

    ok, thanks.
    I am happy that my 4435 are 483006 and 483098 from 1994 with perfect foams.

    HP
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  11. #11
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    Quote Originally Posted by Hofmannhp View Post
    Hi Sluggo,

    the JBL-Registry says:
    No. 26536----> 1957
    No. 40812----> 1960

    highest No. in the Registry: 212167 -----> ??

    The D130 was first built in 1948 and the last in 1977 (unconfirmed)
    Glen maybe right with his assumption mid to late 60's

    HP

    I have a pair of D130's s/n's 67607-67608 so I can take them as mid sixties then?...how do I go about getting them in your registry?

    steve

  12. #12
    Super Moderator Hofmannhp's Avatar
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    registry

    Quote Originally Posted by fiddleback View Post
    I have a pair of D130's ..how do I go about getting them in your registry?
    steve
    Hi fiddleback,

    welcome to the forum.....

    now they are in the registry

    HP

    PS: your D130 are from about 1964
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  13. #13
    Senior Member glen's Avatar
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    Quote Originally Posted by Hofmannhp View Post
    highest No. in the Registry: 212167 -----> ??
    HP
    Hi HP,
    The 212167 (may actually be 212147) is an old cutcorners label, presumably from December of 1952
    Attached Images Attached Images  
    glen

    "Make it sound like dinosaurs eating cars"
    - Nick Lowe, while producing Elvis Costello

  14. #14
    Super Moderator Hofmannhp's Avatar
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    right said Fred

    Quote Originally Posted by glen View Post
    Hi HP,
    The 212167 (may actually be 212147) is an old cutcorners label, presumably from December of 1952
    you are absolutely right Glen.
    I will shift it to the right place in the list. Thanks

    HP
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  15. #15
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    Quote Originally Posted by Hofmannhp View Post
    Hi fiddleback,

    welcome to the forum.....

    now they are in the registry

    HP

    PS: your D130 are from about 1964

    Thanks for the warm welcome HP. I could use a little help identifying the cabinets.they're rear projection bass reflection, The only identification I have on them is a sticker inside each cabinet that reads.....

    To adjust R4 cabinet response space this plate from bottom opening in cabinet with the exact number and size of spacer block on each side as listed below. Suggested settings found suitable for popular speakers shown (these setttings do not necessarily correspond with resonant frequency as given by manufacturer).

    20 cps one 1/2" spacer

    30 cps two 1/2"

    35 cps one 1/2" + one 3/4" woofers stephens electrovoice
    woofers

    40 cps one 1/2", two 3/4" free cone speakers stephens 15"
    and 12", Electrovoice 15" and 12",
    JBL 15" and 12", altec 15"

    65 cps remove plate and university and Jensen 15"
    spacers



    The demensions are 24"X24"X18" depth with a very nice finish will get pics if you'd like.

    Thanks Steve

    I run these with a 1959 EICO HT-91 kit tube amp and an off the shelf sansui cd player at the moment listening to alvin lee and ten years after pure blues (a pure delight) heres the kicker total cost of this orgasm of audio ...fifty cents(the sansui's a loaner) i guess what i'm saying is i'm hooked i'll never go back to solid state again I mean this modest little system puts my ex's and now my ex 500 watt kenwwood and 901's to shame ,I'm in love















    i
    Last edited by fiddleback; 04-29-2007 at 05:56 PM. Reason: add on

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