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Thread: Best dual concentric

  1. #1
    Join Date: Dec 2015

    Location: Alicante. Spain.

    Posts: 805
    I'm Adrian.

    Default Best dual concentric

    In September I plan on trying new speakers (currently Ane spx) and really would like to try high efficiency, point source speakers without crossovers. My budget will be around 3k and I'm happy to buy second hand (though it would have to be eBay as no one ships on AOS).

    What are the best available at that kind of price?
    Technics SP10 mk2
    Jan Allaerts MC 1 Boron mk1 cart
    Miyajima Shilabe cart
    Hashimoto HM-X SUT
    Siggwan (gimballed not unipivot) Cocobola 12"
    Aurorasound Vida LCR Phonostage
    The Truth linestage
    Dave Slagle Autoformer Volume Controller
    Cary 805c SET amps
    Audio Note ANe-SPX speakers
    Townshend Isolda speaker cables
    Cardas Golden Presence interconnects

  2. #2
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 24,608
    I'm Geoff.

    Default

    Dual concentric speakers generally have crossovers and employ TWO drive units. One (the tweeter) central to the second, the bass cone.

    As for full range single drive units, the sky's the limit in choice really. Try Googling and you'll see.
    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: Feb 2013

    Location: W Lothian

    Posts: 32,115
    I'm Grant.

    Default

    ive loads of full range speaks and they are excellent. some of the old ones like my Telefunken paper coned ones are superb. nice simple sound
    Regards,
    Grant ....
    Sometimes incompetence is useful. It helps you keep an open mind.
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    IMUTO TAURUS X4 BATTERY SUPPLY. - RPI2B & AUDIOPHONICS DAC running MOODE 3.6- TONBRUX BATTERY SUPPLY & CHROMECAST2 AUDIO DONGLE no1 - JBE SERIES 3 SLATEDECK & EMOTIVA XPS-1 PHONO - DENON DV2900 & HEAVILY MODDED MF X10v3. BERESFORD SWITCHBOX. - TWIN PRO MONOBLOCK AMPLIFIERS. - CREEK OBH-11SE HEADPHONE AMP. -AUDIO TECHNICA ATH-MSR7 HEADPHONES - WIN10 JRIVER22, SPOTIFY PREMIUM- OPPO PM-3 PLANAR HEADPHONES, KINPS CABLES, SMSL M6 MINIDAC, CHROMECAST2 AUDIO DONGLE no2 POWERED BY ANKER BATTERY PSU - FULL RANGE TWIN & SINGLE TELEFUNKEN's - TANDBERG TCD310 - CARTS.. AT95 Shibata, SHURE M55E original, JVC MD1029. - RCA CABLES BY BRIAN SPKR CABLES BY MOI HAIR BY MARCO FEET BY ELECTRICBEACH - MAINS REGENERATED BY POWERINSPIRED AND FILTERED BY BELKIN PUREAV.

  4. #4
    Join Date: Dec 2015

    Location: Alicante. Spain.

    Posts: 805
    I'm Adrian.

    Default

    I'm looking for simplicity, purity - if full range means no crossover then that's the way I'd go, though I think I'm right in saying that in a dual concentric it's just a capacitor? I'm an idiot when it comes to this particular topic.
    Technics SP10 mk2
    Jan Allaerts MC 1 Boron mk1 cart
    Miyajima Shilabe cart
    Hashimoto HM-X SUT
    Siggwan (gimballed not unipivot) Cocobola 12"
    Aurorasound Vida LCR Phonostage
    The Truth linestage
    Dave Slagle Autoformer Volume Controller
    Cary 805c SET amps
    Audio Note ANe-SPX speakers
    Townshend Isolda speaker cables
    Cardas Golden Presence interconnects

  5. #5
    Join Date: Jan 2008

    Location: Forest of Dean, Glos & Cambrian mountains, Wales

    Posts: 8,386
    I'm Jerry.

    Default

    I'm not a fanboy of single driver speakers (apart from electrostatics) but by far the best I have heard are by Eclipse. The usual single driver tonal aberrations are largely absent and you get the coherence and purity benefits of a simple basic design.
    They look cool, too!



    As for Tannoy dual concentrics ... it's best not to ask me!
    Jerry

    Main systems:
    Spotify Premium streaming, DAC3 NOS TDA1543. Philips Black Tulip 270 pre / Black Cat mono power amps. Speakers: MBL 116F. Atratus3 i/c & Western Electric 16GA spkr cables. ProJect and Nordost Magus power cables

    Headphones: AKG 551, JBL Synchros S700, B&O H6, PSB M4U-1, B&O Form 2 & 2a and Sony XBA-H1 & SoundMagic E50 IEM headphones

    2nd system: Spotify Premium streaming, Audiolab MDAC, Philips 370 power amp, Chario Syntar 100T speakers. Headphones: Beyerdynamic DT-150, SoundMagic E10 IEM headphones

    3rd system: Spotify Premium streaming, DAC3 NOS TDA1543, Philips Black Tulip 270 pre, Amptastic Mini-T amp, Klegg Symphony 102 speakers

  6. #6
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 32,115
    I'm Grant.

    Default

    Quote Originally Posted by farflungstar View Post
    I'm looking for simplicity, purity - if full range means no crossover then that's the way I'd go, though I think I'm right in saying that in a dual concentric it's just a capacitor? I'm an idiot when it comes to this particular topic.
    you just have to look at Tannoy crossovers to see its not just a cap. with any fullrange speaker you can add a supertweeter with a cap
    Regards,
    Grant ....
    Sometimes incompetence is useful. It helps you keep an open mind.
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    IMUTO TAURUS X4 BATTERY SUPPLY. - RPI2B & AUDIOPHONICS DAC running MOODE 3.6- TONBRUX BATTERY SUPPLY & CHROMECAST2 AUDIO DONGLE no1 - JBE SERIES 3 SLATEDECK & EMOTIVA XPS-1 PHONO - DENON DV2900 & HEAVILY MODDED MF X10v3. BERESFORD SWITCHBOX. - TWIN PRO MONOBLOCK AMPLIFIERS. - CREEK OBH-11SE HEADPHONE AMP. -AUDIO TECHNICA ATH-MSR7 HEADPHONES - WIN10 JRIVER22, SPOTIFY PREMIUM- OPPO PM-3 PLANAR HEADPHONES, KINPS CABLES, SMSL M6 MINIDAC, CHROMECAST2 AUDIO DONGLE no2 POWERED BY ANKER BATTERY PSU - FULL RANGE TWIN & SINGLE TELEFUNKEN's - TANDBERG TCD310 - CARTS.. AT95 Shibata, SHURE M55E original, JVC MD1029. - RCA CABLES BY BRIAN SPKR CABLES BY MOI HAIR BY MARCO FEET BY ELECTRICBEACH - MAINS REGENERATED BY POWERINSPIRED AND FILTERED BY BELKIN PUREAV.

  7. #7
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 24,608
    I'm Geoff.

    Default

    Would you consider making your own cabinets or baffles Adrian? Many full range speaker units only require fairly simple enclosures and this brings the cost down if you can do it yourself.
    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!

  8. #8
    Join Date: Jan 2008

    Location: Forest of Dean, Glos & Cambrian mountains, Wales

    Posts: 8,386
    I'm Jerry.

    Default

    Quote Originally Posted by struth View Post
    you just have to look at Tannoy crossovers to see its not just a cap.
    Yep.

    Here's a pic of a Tannoy HPD crossover by Paul / RFC.

    Jerry

    Main systems:
    Spotify Premium streaming, DAC3 NOS TDA1543. Philips Black Tulip 270 pre / Black Cat mono power amps. Speakers: MBL 116F. Atratus3 i/c & Western Electric 16GA spkr cables. ProJect and Nordost Magus power cables

    Headphones: AKG 551, JBL Synchros S700, B&O H6, PSB M4U-1, B&O Form 2 & 2a and Sony XBA-H1 & SoundMagic E50 IEM headphones

    2nd system: Spotify Premium streaming, Audiolab MDAC, Philips 370 power amp, Chario Syntar 100T speakers. Headphones: Beyerdynamic DT-150, SoundMagic E10 IEM headphones

    3rd system: Spotify Premium streaming, DAC3 NOS TDA1543, Philips Black Tulip 270 pre, Amptastic Mini-T amp, Klegg Symphony 102 speakers

  9. #9
    Join Date: Dec 2015

    Location: Alicante. Spain.

    Posts: 805
    I'm Adrian.

    Default

    Ok so full range is probably the way to go for simplicity!

    I could probably have the cabinets made - with a little help...
    Technics SP10 mk2
    Jan Allaerts MC 1 Boron mk1 cart
    Miyajima Shilabe cart
    Hashimoto HM-X SUT
    Siggwan (gimballed not unipivot) Cocobola 12"
    Aurorasound Vida LCR Phonostage
    The Truth linestage
    Dave Slagle Autoformer Volume Controller
    Cary 805c SET amps
    Audio Note ANe-SPX speakers
    Townshend Isolda speaker cables
    Cardas Golden Presence interconnects

  10. #10
    Join Date: May 2016

    Location: Gloucestershire

    Posts: 175
    I'm Ian.

    Default

    Alpair, Jordans, Corals, I've used them all and enjoyed everyone. They have a real directness about them that just sounds right. When I go back to speakers with tweeters I always struggle a bit getting used to them. I think these will be far too cheap for you but I will be selling a pair of Coral Flat 8 drivers in the near future. Legendary vintage drivers and now very rare but I'm just not using them and they really should be used. Cabinet plans are fairly simple and could easily be made up by a local joiner. Mega smooth and natural.

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