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Thread: DIY 300B SET amplifier kits

  1. #1
    Join Date: Apr 2016

    Location: Bishops Stortford

    Posts: 1,250
    I'm Chris.

    Default DIY 300B SET amplifier kits

    I fancy building a 300B SET amplifier and would like to buy a kit with all the necessary components including casework. I would prefer a UK kit but its not imperative.

    Does anyone have any recommendations?
    Source
    SW1X Universal Music Server UMS I Signature with Power Supply Unit PSU I Signature
    SW1X USB II
    SW1X DAC III Special
    Audiolab 6000 CDT transport
    Amps
    Pre amps -- Hi fi Collective twin mono ladder stepped attenuator, with Charcroft Z-foil and silver wired. And First Watt B1 active no gain buffer.
    Power amps -- Welborne 45 SET monoblocks 1.8W / Decware Taboo 6W / Elekit 300B TU-8600SVK plus further improved components 9W / ICE Power 1000W
    Speakers
    Highly modified Endorphin P17 open baffle speakers containing both vintage and modern alnico drivers and paper cones. All silver wired - 8" Cube Audio FC8 full range drivers and vintage 15" Altec VOTT 416 bass drivers. All sat on Townsend Audio Podium seismic isolation platforms.
    BK Electronics XLS400FF Sub.
    Cabling
    Silver mains cables, interconnects and speaker cables by SW1X
    Headphones
    HRT HeadStreamer and SennHeiser HD650 headphones

  2. #2
    Join Date: Dec 2017

    Location: limerick

    Posts: 223
    I'm charles.

    Default

    Assembled one of these for a mate. Sounded very good producing a clean 7W

    http://shop.diyhifisupply.com/produc...rcuit-diagram/

  3. #3
    Join Date: Mar 2008

    Location: Galashiels

    Posts: 13,695
    I'm inthescottishmafia.

    Default

    https://www.hificollective.co.uk/kit...-300b-8th.html

    AN kit from Hifi Collective, 10% discount if you order through them.
    “Music has always been a matter of energy to me, a question of fuel. Sentimental people call it inspiration, but what they really mean is fuel. I have always needed fuel. I am a serious consumer. On some nights I still believe that a car with the gas needle on empty can run about fifty more miles if you have the right music very loud on the radio”

    Hunter S Thompson

  4. #4
    Join Date: Jul 2020

    Location: Pacific NorthWest

    Posts: 110
    I'm Jeremy.

    Default

    There is also Bottlehead

  5. #5
    Join Date: Mar 2008

    Location: Galashiels

    Posts: 13,695
    I'm inthescottishmafia.

    Default

    Collective also sell the Elekit.
    “Music has always been a matter of energy to me, a question of fuel. Sentimental people call it inspiration, but what they really mean is fuel. I have always needed fuel. I am a serious consumer. On some nights I still believe that a car with the gas needle on empty can run about fifty more miles if you have the right music very loud on the radio”

    Hunter S Thompson

  6. #6
    Join Date: Apr 2016

    Location: Bishops Stortford

    Posts: 1,250
    I'm Chris.

    Default

    Some interesting stuff there. Keep them coming.

    Just to reinforce the point I need a full construction kit. I am OK with soldering etc but not at putting together the appropriate components.

    At present the Elekit looks promising.
    Source
    SW1X Universal Music Server UMS I Signature with Power Supply Unit PSU I Signature
    SW1X USB II
    SW1X DAC III Special
    Audiolab 6000 CDT transport
    Amps
    Pre amps -- Hi fi Collective twin mono ladder stepped attenuator, with Charcroft Z-foil and silver wired. And First Watt B1 active no gain buffer.
    Power amps -- Welborne 45 SET monoblocks 1.8W / Decware Taboo 6W / Elekit 300B TU-8600SVK plus further improved components 9W / ICE Power 1000W
    Speakers
    Highly modified Endorphin P17 open baffle speakers containing both vintage and modern alnico drivers and paper cones. All silver wired - 8" Cube Audio FC8 full range drivers and vintage 15" Altec VOTT 416 bass drivers. All sat on Townsend Audio Podium seismic isolation platforms.
    BK Electronics XLS400FF Sub.
    Cabling
    Silver mains cables, interconnects and speaker cables by SW1X
    Headphones
    HRT HeadStreamer and SennHeiser HD650 headphones

  7. #7
    Join Date: Mar 2008

    Location: Galashiels

    Posts: 13,695
    I'm inthescottishmafia.

    Default

    There are some videos by them on youtube building and modding one of the Elekit amps, will give you an idea what they are like.
    “Music has always been a matter of energy to me, a question of fuel. Sentimental people call it inspiration, but what they really mean is fuel. I have always needed fuel. I am a serious consumer. On some nights I still believe that a car with the gas needle on empty can run about fifty more miles if you have the right music very loud on the radio”

    Hunter S Thompson

  8. #8
    Join Date: Jun 2020

    Location: Rotorua NZ

    Posts: 358
    I'm Peter.

    Default

    Quote Originally Posted by bumpy View Post
    At present the Elekit looks promising.
    I built the pre-amp kit and am very pleased with it. Everything in the box with good clear instructions. Plenty of space on the pcb's for soldering etc.
    TT: Pro-ject 1.2, Ortofon Blue
    Phono stage: Muffsy
    Cd: Linn Karik
    Dac: Denafrips Ares II
    Amps: Pre: EleKit TU-8500, Power: Cambridge Audio Azur 651W
    Speakers: Chario Hiper Tower 2000
    Cables: Linn, Straight Wire & Chord Clearways
    Headphones:PC, Ifi Zen Air, Sennheiser HD450 & HD569

  9. #9
    Join Date: May 2009

    Location: Southampton

    Posts: 451
    I'm Rob.

    Default

    Chris- can you clear your inbox trying to send some info

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