+ Reply to Thread
Page 1 of 2 12 LastLast
Results 1 to 10 of 12

Thread: kef concerto speakers

  1. #1
    Join Date: Mar 2010

    Location: exeter

    Posts: 5

    Default kef concerto speakers

    Hi I have a pair of Kef loudspeakers, the baffle and drive unit assemblies look exactly like the Concerto's but the cabinet dimensions are bigger 75x47x37 cm's hwd, they are also finished in cream leather with white grills and a crome surround. The b139's bass units have quite a wide alloy surround which i notice some don't have. I am hoping someone may have some information regarding these speakers. Many thanks John

  2. #2
    Join Date: Nov 2008

    Location: Belfast/Northern Ireland/UK

    Posts: 16,696
    I'm Neil.

    Default

    Quote Originally Posted by john.mallett@virgin.net View Post
    Hi I have a pair of Kef loudspeakers, the baffle and drive unit assemblies look exactly like the Concerto's but the cabinet dimensions are bigger 75x47x37 cm's hwd, they are also finished in cream leather with white grills and a crome surround. The b139's bass units have quite a wide alloy surround which i notice some don't have. I am hoping someone may have some information regarding these speakers. Many thanks John
    John


    Marco has asked you after your Radford related post to pop into the welcome section of this forum and introduce yourself to the community that is AOS.

    Please do this as soon as you can and no doubt after that community members will be more inclined to offer you the help you need.


    Regards D S D L
    Regards Neil

    System 1: AMG Giro turntable, AMG 9W2 tonearm, Air Tight PC3 cartridge, Passlabs Xono phonostage, AMG Reference armcable. Accuphase DP57 CD player, Marantz SA7 SACD player, Sony HAP Z1es Digital File Player + Audioquest Jitter Bug, Veracity Mystra DAC + Dell Laptop + iFi i power + JKenny JKSPIDIF, Wireworld Starlight USB + Audioquest Jitter Bug, for computer audio, Audio Valve RKV2 headphone amp, headphones Grado GS 1000, Balanced Audio Technology VK300se integrated amplifier, Anthony Gallo Reference 3.1 speakers. Cabling: Signal - Audience AU24, Analysis Plus, Atlas Mavros, Speaker - QED Genesis Silver Spiral. Mains Cabling: Audience AU24, Analysis Plus, TCI. Mark Grant distribution blocks, Equipment tables Target Audio B series.

    System 2: Loricraft Garrard 401 turntable + SME 5 tonearm + VDH MC10 cartridge + Graham IC70 tonearm cable, Modified Technics 1200 turntable + Triplannar 7 tonearm + VDH Frog Gold cartridge + Paul Hynes SR7 PSU, SME Model 20 turntable + Graham Phantom tonearm + Ortofon MC5200 cartridge + Graham IC70 tonearm cable, Balanced Audio Technology VK10se phonostage, Moon Andromeda CD player, Esoteric P5 SACD transport and P 5 DAC, Toshiba 9500 DVD Audio player, AMR DP777 DAC + HP laptop + iFi i power + Wireworld Starlight USB - for computer audio, Kenwood 8300 tuner, Revox B760 tuner, Magnum Dynalab signal sleuth, Leak Troughline tuner + EAR Stereo decoder, Revox B77 mk 2 & Revox A77 mk3 reel to reel recorders, Balanced Audio Technology VK52se pre-amplifier, Music Reference RM200 mk1 power-amplifier, Anthony Gallo Reference 3.5 speakers. Cabling: Signal/Speaker - Atlas Mavros. Mains Cabling: Audience AU24, TCI. Mains distribution blocks Mark Grant and Russ Andrews, Equipment tables Clear Light Audio.

  3. #3
    Join Date: May 2008

    Location: Lancaster(-ish), UK

    Posts: 16,964
    I'm ChrisB.

    Default

    Hello John,
    I think Marco asked you when you were trying to sell your Radford amps if you would mind doing a few simple things to introduce yourself to us before continuing.
    Perhaps you could do that for us now please?

    There's a thread called Attention All New Members -that'll give you a few pointers as to how & why we like folks to introduce themselves.

    You'll find it here:
    http://theartofsound.net/forum/showthread.php?t=799

    Cheers

  4. #4
    Join Date: Feb 2008

    Location: Middlesex, UK

    Posts: 3,060
    I'm Alex.

    Default

    The KEF Kit 3 used the same units and crossovers as the Concerto. Drive units are B139, B110 and T27, with various versions of each, depending on age. The earlier B139 are as you describe.

    In my opinion, the Concerto goes down pretty low and goes up high, but the three good units are not integrated that well and the midrange is a bit coloured.

    It is interesting to compare the LS3/5a (which uses just a B110 and T27 in a tiny cabinet) with a Concerto. The Concerto wins easily on bass extension, but the LS3/5a is far superior on every other account, making the Concerto sound coloured and muddled.

    However, I have heard Concertos fitted with modified LS3/5a type crossovers, and they were superb and have been meaning to try that myself.
    Last edited by spendorman; 29-09-2010 at 04:31.

  5. #5
    Join Date: May 2008

    Location: A Strangely Isolated Place in Suffolk with far away trains passing by...

    Posts: 14,384
    I'm David.

    Default

    I LOVE the Concerto's and if they are placed on low stands (9 - 12 inches) off the floor, I think they'd still give a good performance. Like all B110 equipped speakers, the final results will depend on their state of these and the condition of the crossovers.

    KEF-KIT's will depend on the cabinets they're in, but these sound as though some effort has gone into them, so may be wonderful Get the crossovers looked at and the caps replaced.
    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

  6. #6
    Join Date: Jul 2010

    Location: North Cambs UK, Earth, Sol, Orion - Cygnus arm of galaxy

    Posts: 11,186
    I'm MadeOfDeadGiantStarsThatExplodedEonsAgo.

    Default

    Quote Originally Posted by John Mallett View Post
    The b139's bass units have quite a wide alloy surround which i notice some don't have.
    These will be the earlier bass units as Spendorman mentioned The driver parameters are pretty similar, the only difference in a more major way is the power handling. They might be happy up to a maximum of 50W RMS amplifiers, the later thicker chassis unit which was smaller & had slightly pointed corners (rather than being a true oval) would be happy with up to 100W RMS fed to the system as a whole.
    Bests, Mark



    "We must believe in free will. We have no choice" Isaac Bashevis Singer

  7. #7
    Join Date: Dec 2008

    Location: Yorks

    Posts: 16,649
    I'm Nobody.

    Default

    Quote Originally Posted by John Mallett View Post
    Hi I have a pair of Kef loudspeakers, the baffle and drive unit assemblies look exactly like the Concerto's but the cabinet dimensions are bigger 75x47x37 cm's hwd, they are also finished in cream leather with white grills and a crome surround. The b139's bass units have quite a wide alloy surround which i notice some don't have. I am hoping someone may have some information regarding these speakers. Many thanks John


    If you could John bi big help

  8. #8
    Join Date: Jan 2009

    Location: Sunshine Coast,Queensland,Australia.

    Posts: 87

    Default

    I surprised a friend recently.A love of music and hi-fi sound are amongst the interests we've had in common for over 25 years.I stayed at his house during a visit recently.I had taken with me a copy of the Opus 3 Test Record Depth of Image as a gift(I had months before acquired the only 2nd copy of it I had seen in my life).

    My friend's system comprised of the Yamaha PX-2 turntable,Yamaha C2x preamp,Yamaha B-2 v-fet amp and a pair of KEF Concertos.Now by way of explanation,I knew the Yamaha components very well,having been their previous owner;The KEFs I had never heard before.

    We listened to both sides of the Opus 3 record,which contains a richly varied collection of choral,organ,orchestral, voice and guitar,dixieland jazz,string ensembles,harpsichord and more(much more!!!).Everything is impeccably recorded and I have used it amongst my standard assessment recordings for many years.

    My friend knows how fussy I am,but he was delighted when I told him that I really enjoyed the sound of that system.There's no way that it was ever going to have the immediacy and dynamic kick of my active Altec system,but there was a very engaging,pure rendition of the recorded performances which was interesting in it's own fashion.It was also a chance for me to hear those Yamaha components played through something different to my Altecs.I'd love to hear a more dynamic version of the same sound.

    Would I buy a pair? Nope.I'm single and can listen at real-live musician in the room level whenever I want(with a nod to the neighbours between 9 pm and 9 am).My friend is married and needs to be more judicious about the maximum listening levels.My system suits my situation.His system suits his situation.I'd recommend them to anyone with a decent system who doesn't prefer high levels.
    Turntable: Yamaha GT 2000/Clearaudio Magix
    Cartridge: Soundsmith 'The Voice' Ebony
    Phono Stage: Moon LP 5.3
    Preamp: Transcendent Sound Grounded Grid
    Active Crossover: Accuphase F-25
    Treble Amps: 2 x Kenwood L-06M
    Bass Amps: Kenwood L-1000M
    Speakers: DIY Activated Altec Valencia 846As

  9. #9
    Join Date: May 2008

    Location: A Strangely Isolated Place in Suffolk with far away trains passing by...

    Posts: 14,384
    I'm David.

    Default

    The Concerto's and Cadenza's ended around 1977/78 as I remember, so should be regarded in the context of their time and place in UK audio history. Active speakers didn't exist back in 1972 or thereabouts I understand and high level monitoring needed to be done on huge and efficient speakers as I recall.
    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

  10. #10
    Join Date: Feb 2008

    Location: Middlesex, UK

    Posts: 3,060
    I'm Alex.

    Default

    Quote Originally Posted by DSJR View Post
    The Concerto's and Cadenza's ended around 1977/78 as I remember, so should be regarded in the context of their time and place in UK audio history. Active speakers didn't exist back in 1972 or thereabouts I understand and high level monitoring needed to be done on huge and efficient speakers as I recall.
    My Corelli's are have 1976 on the drive units, in my opinion they are much better in the mid and top end than the Cadenza, have those as well.

+ Reply to Thread
Page 1 of 2 12 LastLast



 

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •