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Thread: Jan Sale_4 of 4: Longdog Audio 300B SET Amp

  1. #1
    Join Date: Oct 2008

    Location: Glasgowshire

    Posts: 7,607
    I'm availableforweddingsAndBarmitzvas.

    Default Jan Sale_4 of 4: Longdog Audio 300B SET Amp

    #4
    Nick Gorham designed and built Directly heated, Single Ended Triode 300B power amp

    Yup...up for sale.
    Things can change, and that's ok.

    1750 Collection only (Price is as seen, including valves)

    Not your typical 300B SET power amp, designed and built by Nick Gorham of Longdog Audio.
    Nick knows a thing or two about valve amp design, it's the best 300B valve amp I've been fortunate to hear, never mind own.



    The amp is interesting in that its almost a "hybrid", in that its a directly heated triode amp, but has solid state regulation.
    Particular attention and some very clever design work has been paid to this, I've heard from a few people its voltage regulation is said to be "better than commercial".
    This, along with Nick's design and build, the high quality Iron and components means it doesn't sound like what you'd expect a 300B amp to sound like.

    Ok Some specific Info:

    Owned since late 2015, valves changed every 12-14 months, recently serviced by Nick and all A-ok.
    Amp in excellent cosmetic condition, no chips or scratches in woodwork or metalwork
    8 and 4 ohm speaker taps


    VALVES
    Shown with currently fitted and supplied valves as part of sale
    POWER: Matched pair PSvane 1:1 Western Electric replica 300B
    DRIVER: TungSol NOS 5678 black plates

    Driver valves replaced about 6 months ago
    300Bs a bit older, light use for just under a year, mixed these and a set of Electro Harmonix Gold Grid for movies, casual listening.
    All valves within good performance envelope...think Western Electrics and how long they last.
    When I got the amp it was supplied with Electro Harmonix 300Bs, even with those it was great out the box.

    The PSvane 300Bs were 850 a pair on their own.




    TRANSFORMERS
    Hand wound AE transformers - BOM cost over 600 just for these (A SET amp needs good heavy iron)

    OUTPUT
    Between 5 -9 watts depending on how its measured, so efficient speakers required.
    Worked really well with my Edingdale speakers at 94dB.

    This is an extremely heavy amp given the massive transformers, so collection preferred from near Glasgow.
    Can meet in car up to 150 miles for petrol cost...or Courier it out at buyers cost/risk.
    Valves will be packed up tight and the amp will of course be double boxed and securely packed.
    I'm looking for for 1750


    A month ago I'd have been surprised to see ever myself selling this.
    As good and amp as I'd ever need, only selling as going forward I'm simplifying my systems and moving on from valves.
    This is a very special sounding amp, I've really enjoyed my time with it, and valves in general.
    Just looking for the simpler stuff nowadays so I hope to find a good home for this.

    Thanks.
    Last edited by Gazjam; 04-01-2020 at 22:43.
    I enjoy Hifi n stuff...

  2. #2
    Join Date: Feb 2016

    Location: Melksham, Wiltshire

    Posts: 654
    I'm Peter.

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    Lovely

    Good luck with the sale.... Some lucky person will be VERY HAPPY.


    Sent from my iPhone using Tapatalk

  3. #3
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 5,242
    I'm Alan.

    Default

    WHAT! I never thought I would see this happening Gaz.
    What you are be replacing it with must be special, pm me if you don't want to disclose on the forum.

    BTW, it's 'RCA Inputs from Preamp'

  4. #4
    Join Date: Oct 2008

    Location: Glasgowshire

    Posts: 7,607
    I'm availableforweddingsAndBarmitzvas.

    Default

    Quote Originally Posted by Firebottle View Post
    WHAT! I never thought I would see this happening Gaz.
    What you are be replacing it with must be special, pm me if you don't want to disclose on the forum.

    BTW, it's 'RCA Inputs from Preamp'
    I hear you Alan, neither did I.
    Just a shift in priorities going into the New Year is all.

    Ah ha - you spotted the deliberate mistake DOH!
    Well spotted Sir.

    Not replacing it with anything at the moment, I couldn't afford anything that would be better sounding.
    Just downsizing and simplifying my kit going into the new Year, changing priorities and all that.

    S'all good.
    I enjoy Hifi n stuff...

  5. #5
    Join Date: May 2015

    Location: Shrewsbury

    Posts: 58
    I'm Michael.

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    Lovely amp from one of the masters. Good luck with the sale

  6. #6
    Join Date: Sep 2014

    Location: Northern Ireland

    Posts: 1,129
    I'm John.

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    I’ve always admired the look and build of that amp, it’s a real cracker.

    GLWS
    Naim CDS CD player, BTE Khozmo passive preamp, Luxman Avance Z504 power amp, Lockwood Academy speakers with Tannoy HPD385 drivers, BigBottle Audio Spotfire interconnects.


  7. #7
    Join Date: Aug 2009

    Location: Kent

    Posts: 498
    I'm Twisted.

    Default

    Blimey Gaz, first the Edingdales and now the 300b. I feel like I've lost my audio equipment twin. Nick built me a 300b around the same time and it sounds amazing. Gaz's is a different (and higher spec), so goodness knows how good it sounds. Someone buy this.....
    Simon

    Pi, Allo Katana+Isolator; Longdog 300b; Reiver Fenwicks & Edingdales; Mark Grant G1500; Colin Topps wires; dedicated mains, chair.

    Twitter @siashmore

  8. #8
    Join Date: May 2011

    Location: Glasgow

    Posts: 7,317
    I'm Brian.

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    I know this amp well and it sounds and looks absolutely beautiful

    Never thought I'd see you selling this buddy
    Regards
    Brian

    Sell your cleverness and buy bewilderment . (Rumi )


    Korus Computer Audio music server .
    DAC 3 French DAC
    Amplifier : Rega Brio R
    Speakers : Tannoy 637
    Interconnects : MS Audio / Klotz MC5000 .
    Speaker cables : Chord Epic Twin

  9. #9
    Join Date: Oct 2008

    Location: Glasgowshire

    Posts: 7,607
    I'm availableforweddingsAndBarmitzvas.

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    Provisionally sold...
    I enjoy Hifi n stuff...

  10. #10
    Join Date: Oct 2008

    Location: Glasgowshire

    Posts: 7,607
    I'm availableforweddingsAndBarmitzvas.

    Default

    Amp now SOLD
    thanks for looking.
    I enjoy Hifi n stuff...

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