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Thread: coral beta 10's full range speakers

  1. #11
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 40,790
    I'm Geoff.

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    The cabinets are a compromise. They are too small to let those drivers 'breathe' properly. You have four options really, big floorstanding reflex boxes, acoustic column (not transmission line), the BLH of course and finally and possibly very effective, a quarter wave horn.
    "when common sense, logic and plausibility are excluded. All that remain are foolishness and lies"

  2. #12
    Join Date: Sep 2014

    Location: brighton uk.

    Posts: 4,247
    I'm jamie.

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    cheers geoff,id better get my chisel out then
    for the moment im liking very much the 'full range ' sound,i think i may be converted!
    My System
    John Wood KT88 Amp.
    Paradise Phono Stage
    Sony TTS-8000 Turntable.
    PMAT-1010 MK6 Tonearm.
    Ortofon KB with vienna upgrade
    Sony X555ES Cd Player
    Yamaha NS1000m Speakers
    KARMA Interconnects & Tonearm Cable

  3. #13
    Join Date: Mar 2017

    Location: Seaford UK

    Posts: 936
    I'm Dennis.

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    Is that a deconstructed woofer at the bottom, or a passive perhaps?

    Chipboard is easy to denigrate, but it has a lower Q than MDF.

  4. #14
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 40,790
    I'm Geoff.

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    Quote Originally Posted by Pharos View Post
    Is that a deconstructed woofer at the bottom, or a passive perhaps?
    Both I'd say. Clearly the metal chassis has holes for magnet mounting, but presumably in this application used without as an ABR. An idea employed by many makers, KEF for instance.
    "when common sense, logic and plausibility are excluded. All that remain are foolishness and lies"

  5. #15
    Join Date: Sep 2014

    Location: brighton uk.

    Posts: 4,247
    I'm jamie.

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    its an arb,
    regarding the chipboard im an ex cabinet maker so i was speaking from that point of view,in that realm its bollocks.
    My System
    John Wood KT88 Amp.
    Paradise Phono Stage
    Sony TTS-8000 Turntable.
    PMAT-1010 MK6 Tonearm.
    Ortofon KB with vienna upgrade
    Sony X555ES Cd Player
    Yamaha NS1000m Speakers
    KARMA Interconnects & Tonearm Cable

  6. #16
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 9,243
    I'm Oliver.

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    Quote Originally Posted by karma67 View Post
    its an arb,
    regarding the chipboard im an ex cabinet maker so i was speaking from that point of view,in that realm its bollocks.
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK6 tonearm > Ortofon Kontrapunkt b > Bigbottle Jfet MC Valve Phonostage (Telefunken Valves)
    Digital: Raspberry Pi 3+/Allo Boss 1.2/Isolator 1.3 & Firebottle LPSU with Volumio & JRiver
    Amplification: Nelson Pass Derived DCB1 with Khozmo 48 Step Series Attenuator & Neurochrome Modulus 686 Amplifier
    Cables: SPOTFIRE Speaker Cable & SPOTFIRE IC Cables & SPOTFIRE Tonearm cable
    Speakers: Pioneer CS-77A

    Price List For SPOTFIRE Cables here:https://bit.ly/2Uxiv3j

    Alternative reading: http://www.audioaddictsforum.com

  7. #17
    Join Date: Mar 2008

    Location: Dunfermline, Scotland, UK

    Posts: 12,721
    I'm inthescottishmafia.

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    Wow they look great, first class condition. I’d agree with Geoff, get them in a horn, they will sound fantastic.
    “Music has always been a matter of energy to me, a question of fuel. Sentimental people call it inspiration, but what they really mean is fuel. I have always needed fuel. I am a serious consumer. On some nights I still believe that a car with the gas needle on empty can run about fifty more miles if you have the right music very loud on the radio”

    Hunter S Thompson

  8. #18
    Join Date: Sep 2014

    Location: brighton uk.

    Posts: 4,247
    I'm jamie.

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    thats my plan,
    i had a good 6 hour listening session yesterday and they really are lovely sounding drivers,as geoff and ali have pointed out they do need some bass lift,apart from that all is good.they are very musical and have an endearing quality to them that makes you want to keep on listening.
    any concerns i had are gone and for now my ns1000's are in the bedroom,i never thought id say that!
    My System
    John Wood KT88 Amp.
    Paradise Phono Stage
    Sony TTS-8000 Turntable.
    PMAT-1010 MK6 Tonearm.
    Ortofon KB with vienna upgrade
    Sony X555ES Cd Player
    Yamaha NS1000m Speakers
    KARMA Interconnects & Tonearm Cable

  9. #19
    Join Date: Mar 2017

    Location: London N2

    Posts: 1,530
    I'm Edward.

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    Jamie, I have a nice pair of 10 inch Coral bass drivers which could work nicely with your Coral FR drivers to fill in the bottom end. Goes down to 28hz.
    Main: Tidal/Roon > MiniITX > Metrum Hex > LDR > either Radford STA25 V or Trilogy 968 > Tannoy (Eaton or Berkeley).
    2nd: Tidal/Roon > Roopio on Pi > Chevron Paradox > Firebottle Buffer > Sugden Masterclass 2018 spec > Kudos Cardea


  10. #20
    Join Date: Sep 2014

    Location: brighton uk.

    Posts: 4,247
    I'm jamie.

    Default

    hi edward,
    thats could be another option on the table,thanks,do you know what model they are please?
    My System
    John Wood KT88 Amp.
    Paradise Phono Stage
    Sony TTS-8000 Turntable.
    PMAT-1010 MK6 Tonearm.
    Ortofon KB with vienna upgrade
    Sony X555ES Cd Player
    Yamaha NS1000m Speakers
    KARMA Interconnects & Tonearm Cable

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