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Thread: Kavent SP310 Class A A/B integrated amp.

  1. #1
    Join Date: May 2011

    Location: Torquay

    Posts: 2,719
    I'm Craig.

    Default Kavent SP310 Class A A/B integrated amp.

    Only selling due to downsizing.

    Amazing amp! 50 Watts per Chanel Class A, 200 per channel A/B

    Stand alone Toroidal transformer costing £1000, connected by an Oriton AC3 cable costing £500, bringing the total cost to well over £3.500!

    Balanced /unbalanced inputs

    All steel remote.

    Phenomenal sound!

    Please be aware, this is one heavy combination with the Toroidy weighing in at 28kg on its own!

    Collection preferable but I do have the original box for the amp, and would ensure the Toroidy was well packaged!

    Cost in excess of £3.500

    Looking for £900 OVNO


    Sent from my iPad using Tapatalk
    Last edited by icehockeyboy; 17-11-2017 at 13:29.
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  2. #2
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 6,869
    I'm Lawrence.

    Default

    Could you explain a bit more how the toroidal feeds the amp as it looks like the amp power input expects 120/220/240v? In which case the internal PSU would need bypassing? I could be completely wrong of course.

  3. #3
    Join Date: May 2011

    Location: Torquay

    Posts: 2,719
    I'm Craig.

    Default

    :
    Quote Originally Posted by Lawrence001 View Post
    Could you explain a bit more how the toroidal feeds the amp as it looks like the amp power input expects 120/220/240v? In which case the internal PSU would need bypassing? I could be completely wrong of course.

    No idea.

    It just works.

    And sounds great.

    If you’re interested in the amp, let me know as delivery to London is possible for a small fee.
    Last edited by icehockeyboy; 17-11-2017 at 13:47.
    Bluesound Node 2i
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  4. #4
    Join Date: May 2016

    Location: Gloucestershire

    Posts: 977
    I'm Ian.

    Default

    Quote Originally Posted by Lawrence001 View Post
    Could you explain a bit more how the toroidal feeds the amp as it looks like the amp power input expects 120/220/240v? In which case the internal PSU would need bypassing? I could be completely wrong of course.
    I suspect the external trannie is a step down for standard American voltage. At least that is what is implied in original listing.

    http://theartofsound.net/forum/showt...h-quality-powe

  5. #5
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 6,869
    I'm Lawrence.

    Default

    Quote Originally Posted by ianlenco View Post
    I suspect the external trannie is a step down for standard American voltage. At least that is what is implied in original listing.

    http://theartofsound.net/forum/showt...h-quality-powe
    Ah ok thanks makes sense, need to do some research on the benefits of hefty step down transformers...

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  6. #6
    Join Date: May 2011

    Location: Torquay

    Posts: 2,719
    I'm Craig.

    Default

    My move is looming, so I need to move on this fabulous beast ASAP!

    A weekend only offer of £825 plus postage

    Hurry hurry hurry!
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    Audio Analogue Pucinni SE
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  7. #7
    Join Date: May 2010

    Location: Devon

    Posts: 548
    I'm Dan.

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    The external transformer is indeed 240-110 step down, it’s outputs are fully balanced also, just like a standard balanced power supply this splits the overall voltage from 110v to 55v on live and neutral, which gained a step up in performance over a standard stepson. The torpid was custom built for this amp and is of the highest quality. I know this as I owned this amp First and commissioned the building of the transformer.

    As I never installed an inrush device, which can be added easily, the way to get the amp up and running is to turn on the external supply without the amp connected and then add the amp, this negates the effects of inrush and allows for normal operation rather than the trip in the consumer u it blowing due to the inrush.

  8. #8
    Join Date: May 2011

    Location: Torquay

    Posts: 2,719
    I'm Craig.

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    Quote Originally Posted by loosend View Post
    The external transformer is indeed 240-110 step down, it’s outputs are fully balanced also, just like a standard balanced power supply this splits the overall voltage from 110v to 55v on live and neutral, which gained a step up in performance over a standard stepson. The torpid was custom built for this amp and is of the highest quality. I know this as I owned this amp First and commissioned the building of the transformer.

    As I never installed an inrush device, which can be added easily, the way to get the amp up and running is to turn on the external supply without the amp connected and then add the amp, this negates the effects of inrush and allows for normal operation rather than the trip in the consumer u it blowing due to the inrush.
    Dan, may I ask you for a few words as a reviewer, your thoughts on this amp?
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  9. #9
    Join Date: Jan 2008

    Location: gone

    Posts: 11,519
    I'm gone.

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    Oh dear.
    Do I need another amp? No, definitely not.
    Am I lusting after this one? YES !!!

    Can you give dimensions of both units, Craig?
    - and the approx weight of the amp.

    Ta.
    Last edited by jandl100; 18-11-2017 at 20:13.
    .

  10. #10
    Join Date: May 2011

    Location: Torquay

    Posts: 2,719
    I'm Craig.

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    Quote Originally Posted by jandl100 View Post
    Oh dear.
    Do I need another amp? No, definitely not.
    Am I lusting after this one? YES !!!

    Can you give dimensions of both units, Craig?
    - and the approx weight of the amp.

    Ta.
    Hi Jerry,

    Only just got in from a gig, so I’ll sort sizes and weight tomorrow.
    I seem to recall seeing the weight of the Toroidy (that’s what it’s called) transformer is 28 kg on its own, but I’ll double check tomorrow.
    Bluesound Node 2i
    Audio Analogue Pucinni SE
    B&W DM607 s2
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