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Thread: Tweeter Identification

  1. #1
    Join Date: Oct 2017

    Location: Manchester

    Posts: 14
    I'm Andrew.

    Default Tweeter Identification

    Hi, I have removed these tweeters from a pair of Mordaunt-Short MS 300 Gold loudspeakers from around 1988.
    The markings do not give much away, but I believe that MS did not make their own drive units so these must be OEM supply.

    I know they look like they came out of a Christmas cracker but does anybody recognize them?

    20171110_094426.jpg20171110_094417.jpg

  2. #2
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 29,346
    I'm Geoff.

    Default

    Chinese made Audax probably. There are a few tweeters about of that type of design.
    Mr. Tact!

    Main system: MMs/ADCs/Low output MC's/One rare Japanese SUT/One scarce British phono stage/various tonearms/hefty Japanese DD TT and hefty Japanese BD TT and small British BD TT. 4 CD players/2 jitter buster/2 DACs/Valve buffer. TVC stepped attenuator or valve pre-amp or solid state pre-amp. Current dumping power-amp or either of two Class A SS power-amp or Class A EL34 valve monos or big Japanese (part Class A) integrated. Big dual concentric speakers/Smaller dual concentric speakers/Two way British compacts and full range speakers, amongst others. And too much more to list!

  3. #3
    Join Date: Oct 2017

    Location: Manchester

    Posts: 14
    I'm Andrew.

    Default

    Yes, I think you are correct:

    Audax TW6X9A

    http://www.toutlehautparleur.com/audax-tw6x9a-8ohm.html

    Thanks a lot....

  4. #4
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 29,346
    I'm Geoff.

    Default

    It'll probably have a half inch voice coil, ferrofluid in the gap and a tiny neo magnet.
    Mr. Tact!

    Main system: MMs/ADCs/Low output MC's/One rare Japanese SUT/One scarce British phono stage/various tonearms/hefty Japanese DD TT and hefty Japanese BD TT and small British BD TT. 4 CD players/2 jitter buster/2 DACs/Valve buffer. TVC stepped attenuator or valve pre-amp or solid state pre-amp. Current dumping power-amp or either of two Class A SS power-amp or Class A EL34 valve monos or big Japanese (part Class A) integrated. Big dual concentric speakers/Smaller dual concentric speakers/Two way British compacts and full range speakers, amongst others. And too much more to list!

  5. #5
    Join Date: Oct 2017

    Location: Manchester

    Posts: 14
    I'm Andrew.

    Default

    Can you identify the bass driver as well?

    20171110_141257.jpg20171110_141306.jpg

  6. #6
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 29,346
    I'm Geoff.

    Default

    Hmm. I've seen Heybrook and KEF badged drivers with similar steel frames.
    Mr. Tact!

    Main system: MMs/ADCs/Low output MC's/One rare Japanese SUT/One scarce British phono stage/various tonearms/hefty Japanese DD TT and hefty Japanese BD TT and small British BD TT. 4 CD players/2 jitter buster/2 DACs/Valve buffer. TVC stepped attenuator or valve pre-amp or solid state pre-amp. Current dumping power-amp or either of two Class A SS power-amp or Class A EL34 valve monos or big Japanese (part Class A) integrated. Big dual concentric speakers/Smaller dual concentric speakers/Two way British compacts and full range speakers, amongst others. And too much more to list!

  7. #7
    Join Date: Oct 2017

    Location: Manchester

    Posts: 14
    I'm Andrew.

    Default

    I don't think they are Kef, the frames look pressed!

  8. #8
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 29,346
    I'm Geoff.

    Default

    Quote Originally Posted by Redox View Post
    I don't think they are Kef, the frames look pressed!
    They are pressed. Some of the KEF's were.

    Mr. Tact!

    Main system: MMs/ADCs/Low output MC's/One rare Japanese SUT/One scarce British phono stage/various tonearms/hefty Japanese DD TT and hefty Japanese BD TT and small British BD TT. 4 CD players/2 jitter buster/2 DACs/Valve buffer. TVC stepped attenuator or valve pre-amp or solid state pre-amp. Current dumping power-amp or either of two Class A SS power-amp or Class A EL34 valve monos or big Japanese (part Class A) integrated. Big dual concentric speakers/Smaller dual concentric speakers/Two way British compacts and full range speakers, amongst others. And too much more to list!

  9. #9
    Join Date: Oct 2017

    Location: Manchester

    Posts: 14
    I'm Andrew.


  10. #10
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 29,346
    I'm Geoff.

    Default

    Heybrooks.

    Mr. Tact!

    Main system: MMs/ADCs/Low output MC's/One rare Japanese SUT/One scarce British phono stage/various tonearms/hefty Japanese DD TT and hefty Japanese BD TT and small British BD TT. 4 CD players/2 jitter buster/2 DACs/Valve buffer. TVC stepped attenuator or valve pre-amp or solid state pre-amp. Current dumping power-amp or either of two Class A SS power-amp or Class A EL34 valve monos or big Japanese (part Class A) integrated. Big dual concentric speakers/Smaller dual concentric speakers/Two way British compacts and full range speakers, amongst others. And too much more to list!

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