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Thread: Celestion HF 1300 expert needed

  1. #21
    Join Date: Feb 2008

    Location: Middlesex, UK

    Posts: 4,481
    I'm Alex.

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    I might be wrong about the HF1300 being derived from the GEC tweeter, because here in post No. 3 it says that the GEC tweeter was a rebranded Celestion HF1300

    http://www.diyaudio.com/forums/full-...-tweeters.html

    The poster says that he worked at GEC Hirst Research Labs where the GEC Metal Cone speaker was developed. Coincidentally, I worked a few miles from there, at GEC Marconi, but that was from the 80's to about 2004.
    Spendorman

  2. #22
    Join Date: Apr 2016

    Location: Bishops Stortford

    Posts: 1,250
    I'm Chris.

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    Quote Originally Posted by spendorman View Post

    Those front metal grilles puzzle me a bit
    Yes that remains a mystery - I cant find a comparable image on Google.

    Strange.

  3. #23
    Join Date: Apr 2016

    Location: Bishops Stortford

    Posts: 1,250
    I'm Chris.

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    Quote Originally Posted by bumpy View Post
    Yes that remains a mystery - I cant find a comparable image on Google.

    Strange.
    Here's a close up
    Attached Images Attached Images

  4. #24
    Join Date: Feb 2008

    Location: Middlesex, UK

    Posts: 4,481
    I'm Alex.

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    I presume that these are the Radford bookshelf speakers? My friend has a pair, when I next speak to him I will ask what the HF1300 grilles look like. He also has other speakers with 1300's. I must have about 12 pairs of speakers that use the HF1300, eg. several pairs of Spendor BC1, BC2, Rogers LS3/6, Home made using EMI 14x9" 5" mid, HF1300 and Coles 4001g, several pairs of B&W DM1, DM2, a DM3, that uses the 1400 (1300 with a bigger magnet), home made using KEF B200, HF1300 and Coles, several pairs of Celestion Ditton 15 (uses the cheaper 1300 with small magnet), and probably some other speakers that I have forgotten about/
    Last edited by spendorman; 05-10-2017 at 18:42.
    Spendorman

  5. #25
    Join Date: Apr 2016

    Location: Bishops Stortford

    Posts: 1,250
    I'm Chris.

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    Google image search found this


  6. #26
    Join Date: Feb 2008

    Location: Middlesex, UK

    Posts: 4,481
    I'm Alex.

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    Quote Originally Posted by bumpy View Post
    Google image search found this

    That looks like it would suitable for my 28 year old Volvo, except the 5 stud fixing!
    Spendorman

  7. #27
    Join Date: Apr 2016

    Location: Bishops Stortford

    Posts: 1,250
    I'm Chris.

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    Quote Originally Posted by spendorman View Post
    I presume that these are the Radford bookshelf speakers? My friend has a pair, when I next speak to him I will ask what the HF1300 grilles look like. He also has other speakers with 1300's. I must have about 12 pairs of speakers that use the HF1300, eg. several pairs of Spendor BC1, BC2, Rogers LS3/6, Home made using EMI 14x9" 5" mid, HF1300 and Coles 4001g, several pairs of B&W DM1, DM2, a DM3, that uses the 1400 (1300 with a bigger magnet), home made usihf KEF B200, HF130 and Coles, seveal pairs of Celestion Ditton 15 (uses the cheaper 1300 with smalled magnet), and probably some other speakers that I have forgotten about/
    Thanks Alex. The speakers are simply called Radford BLS.

    if its of any help the series capacitor attached to the tweeter is an 8uF electrolytic made by Plessey and dated 1964.

  8. #28
    Join Date: Feb 2008

    Location: Middlesex, UK

    Posts: 4,481
    I'm Alex.

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    "BLS", presumably Bookshelf Loud Speaker. I have emailed your 1300 grille image to my friend. I guess that he'd take yours if you ever went near Sheffield where he lives.
    Last edited by spendorman; 05-10-2017 at 21:38.
    Spendorman

  9. #29
    Join Date: Apr 2012

    Location: N E Kent

    Posts: 51,624
    I'm Geoff.

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    It doesn't look exactly like an HF1300, because it isn't one. It's a T314 as marked. Obviously it is related to the HF1300. There were other closely related tweeters from Celestion too.
    It is impossible for anything digital to sound analogue, because it isn't analogue!

  10. #30
    Join Date: Apr 2012

    Location: N E Kent

    Posts: 51,624
    I'm Geoff.

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    As I say. There were other related tweeters. Here are my T718's.



    I've never seen another pair. Note the short throat in front of the diffuser/phase corrector.
    It is impossible for anything digital to sound analogue, because it isn't analogue!

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