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Thread: F/S J Sound Labs 300b power amp.

  1. #1
    Join Date: Jul 2014

    Location: oakham

    Posts: 145
    I'm Jonathan.

    Default F/S J Sound Labs 300b power amp.

    Reluctantly for sale is this excellent example of the highly regarded 300b power amp. from J Sound Labs.
    It comes with a pair of low hours Black Treasure 300b output valves and a pair of GE 6SN7GTB drivers.

    This little beauty has its own volume pot so can be used as a single source integrated and additionally this particular example has been fitted with a pair of RCA output sockets allowing connection of a sub. if so desired.

    It comes with the original box so could be posted with insurance at cost.

    Asking price is £500 firm + postage costs or collection is possible from post code area LE15.DSCF7037.jpgDSCF7038.jpgDSCF7039.jpg
    Last edited by jonh; 12-08-2017 at 19:48.

  2. #2
    Join Date: Aug 2017

    Location: Derbyshire

    Posts: 19
    I'm Malcolm.

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    PM's sent

  3. #3
    Join Date: Apr 2016

    Location: Gravesend and France

    Posts: 1,498
    I'm paul.

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    I can confirm that is a very good amp as I was the original owner and fitted the output sockets after the volume control for a sub.
    Bakoon 13r Denon DP80 Stax UA-70 Shure Ultra 500 in a Martin Bastin body with jico stylus, project ds2 digital Rullit aero 8 field coils in tqwt speakers

    Office system, DIY CSS fullrange speakers with aurum cantus G2 ribbons yulong dac Sony STR6055 receiver Jvc QL-A51 direct drive turntable, Leema sub. JVC Z4S cart is in the house

    Garage system another Sony receiver, cassette deck


    System components are subject to change without warning and at the discretion of the owner.

  4. #4
    Join Date: Jul 2014

    Location: oakham

    Posts: 145
    I'm Jonathan.

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    Thanks very much for the info. Paul - still available for sale.

  5. #5
    Join Date: Apr 2012

    Location: N E Kent

    Posts: 51,624
    I'm Geoff.

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    It might help if some specs were quoted. Like power output and speaker impedance matching.
    It is impossible for anything digital to sound analogue, because it isn't analogue!

  6. #6
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 6,869
    I'm Lawrence.

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    I nearly bought this when you did, IIRC it came with spare valves do you still have these?

  7. #7
    Join Date: Jul 2014

    Location: oakham

    Posts: 145
    I'm Jonathan.

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    [QUOTE=Lawrence001;888576]I nearly bought this when you did, IIRC it came with spare valves do you still have these?[/QUOTE

    You are quite correct it did come with spare valves but I have not tried them or tested them and therefore am unsure of their condition. However, they will be supplied free with the amp should the new owner want them .

  8. #8
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 6,869
    I'm Lawrence.

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    Thanks, interested bit need to work out how to get it (not trusting couriers).

  9. #9
    Join Date: Jun 2010

    Location: London, UK

    Posts: 391

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    I sold this onto John and did include some spare 300b's but they had done a fair few hours if I recall. The Black Treasures are the ones to use and the spares when they perhaps need replacing(good while yet) and you waiting for the new ones to arrive.

    Lawrence its not too heavy and if your happy to travel by train you might be able to agree a meet up with John. I used a IKEA blue bag with room to spare.

    Its a lovely SET 300b and comes hight recommended.
    Paul.

  10. #10
    Join Date: Jul 2014

    Location: oakham

    Posts: 145
    I'm Jonathan.

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    Decided that this is too good to part with so no longer for sale.

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