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Thread: Info: BBC monitors 1960's

  1. #1
    Join Date: Oct 2010

    Location: Anglesey, UK

    Posts: 7
    I'm Mark.

    Default Info: BBC monitors 1960's

    Hi there I am looking for some help!! I purchsed some old BBC monitiors about 8 years ago and I am looking for some info? the units have no ID at all on them but when I open'd them inside I found a tag that had:

    Unit FL6/4
    Serial No 232
    Date 27/2/64

    The speakers are

    A Goodmans of England 15" 65-11-369
    and two tweeters T534 one has 1151 up and the other has low written on it

    On the Xover it has fl 6/4/232 stamped in it

    the units stand about 4 feet high with built in stands!

    I am after info as I am looking to sell the speakers, but with no ID or anything I don't know where to start? I hope someone on here can help or kniow where I can go to get Info.

    Many thanks!

  2. #2
    Join Date: Dec 2008

    Location: Yorks

    Posts: 16,643
    I'm Nobody.

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    The only Beebs monitor i know with two tweeters & 15'' Goodmans is the LS5/1a, uses twin Celestion HF1300! If you supply a pic it would be easier

  3. #3
    Join Date: Oct 2010

    Location: Anglesey, UK

    Posts: 7
    I'm Mark.

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    Thanks look's like they could be LS5/1AE's will post some photos next time I go to the studio!

  4. #4
    Join Date: May 2008

    Location: A Strangely Isolated Place in Suffolk with Far Away Trains Passing By...

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    I'm David.

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    If they're the ones I think they are, they should still be pretty good. I could be thinking of the KEF made model though, which I knew rather well..
    Tear down these walls; Cut the ties that held me
    Crying out at the top of my voice; Tell me now if you can hear me

  5. #5
    Join Date: Jan 2009

    Location: Essex

    Posts: 31,850
    I'm openingabottleofwine.

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    Do they look like this:



    I'm sure KEF didn't make the amps. They must have had them made by sub-contractor and 'stuck their name on them'. Curious, as they are marked "KEF Dual Channel Power Amplifier/...." (the designation is illegible), yet they only have the one (Speakercon) output connector.

    Later these amps (BBC designation AM 8/20) were made by Chord.
    The following makes interesting reading:

    http://www.mhennessy3.f9.co.uk/rogers/bbc_txt.htm

    and

    http://www.mhennessy3.f9.co.uk/showp...rs/enginf4.jpg

    Regards
    Barry

  6. #6
    Join Date: May 2008

    Location: A Strangely Isolated Place in Suffolk with Far Away Trains Passing By...

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    I'm David.

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    The KEF's I remember were sort of Spendor BC3/ATC100 size from the front. These above look chunkier from memory... The grilles were the silvery grey of early 1970's KEF's...
    Tear down these walls; Cut the ties that held me
    Crying out at the top of my voice; Tell me now if you can hear me

  7. #7
    Join Date: Dec 2008

    Location: Yorks

    Posts: 16,643
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    Quote Originally Posted by DSJR View Post
    The KEF's I remember were sort of Spendor BC3/ATC100 size from the front. These above look chunkier from memory... The grilles were the silvery grey of early 1970's KEF's...
    Dave:
    I think your thinking of the 'LS5/5B' maybe!
    Last edited by Rare Bird; 19-10-2010 at 23:38. Reason: Correction

  8. #8
    Join Date: Oct 2010

    Location: Anglesey, UK

    Posts: 7
    I'm Mark.

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    Here are some photos of the units!
    Attached Images Attached Images

  9. #9
    Join Date: Dec 2008

    Location: Yorks

    Posts: 16,643
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    Thewy have to be 'LS5/1a with the goodmans 15'' & twin tweeters.. can you take the grills off,

  10. #10
    Join Date: Aug 2008

    Location: London

    Posts: 2,411
    I'm Nat-andthat'swhyIdrink.

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    A very quick google search of "BBC FL6/4" gave me this:

    http://www.bbceng.info/Designs/RDCE/...0/ipage_84.htm


    LS5 MONITORING LOUDSPEAKER ASSEMBLIES
    (Sub Group previously defined as "Studio Loudspeaker Assemblies" DD 1979).

    LSS/1

    Used for high quality checking.
    Comprises Plessey Low Frequency
    CP7302S/12/5, two GEC Presence Units
    FL6/2, AM8/4 mounted in CT4/4. ACO.
    Supersedes LSU/10.
    Loudspeaker Type
    Type BSC18S2/T534,
    OBSOLETE.

    LSS/1A

    As LSS/l but Plessey Low Frequency Loudspeaker replaced by
    Goodmans Type C129B/1SPR/1Sohm and FL6/2 replaced by
    FL6/4. OBSOLETE.

    LSS/2

    Similar to LSS/1 but mounted in modified cabinet CT4/3 to
    enable it to be suspended in television control rooms.
    Later models have Goodmans speaker and FL6/4 as in LSS/LA,
    are coded LSS/2A and use AM8/6 in place of AM8/4. The GEC
    Presence Units are replaced by Rola Ce1estion Type
    BSC1852/TS34 and cabinet is CT4/S. Weight: 9Slb. ACO.
    OBSOLETE


    (note that "LSS" should be "LS5" in many instances and LSS/LA probably LS5/1A - bad OCR scan I guess - and "presence units" must be high frequency units)

    Amazing what you can find by searching the internet quickly..

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