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Thread: Advice on tube amps

  1. #21
    Join Date: Oct 2012

    Location: The Black Country

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    I'm Alan.

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    You have to be careful with Chinese amps that are rated at 220V mains.
    With out typical 245V mains they are over stressed a lot.

  2. #22
    Join Date: Mar 2016

    Location: Brighton, UK.

    Posts: 3,061
    I'm Mike.

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    Quote Originally Posted by Firebottle View Post
    You have to be careful with Chinese amps that are rated at 220V mains.
    With out typical 245V mains they are over stressed a lot.
    My AG500 puts out a steady 230v.
    Current system 1210 GR. CDP - Meridian G08. Amp -Sugden A21I - Sig. Wharfedale Lintons.

  3. #23
    Join Date: Feb 2008

    Location: South Wales

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    I'm NotTakingLifeTooSeriouslyTheseDays.

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    Indeed, some of the 220v stuff i have had in over the years needed even less than 220v [around 207v] to make all voltages correct on the boards!
    Quote Originally Posted by Firebottle View Post
    You have to be careful with Chinese amps that are rated at 220V mains.
    With out typical 245V mains they are over stressed a lot.
    "Today scientists have substituted mathematics for experiments, and they wander off through equation after equation, and eventually build a structure which has no relation to reality"
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  4. #24
    Join Date: Nov 2008

    Location: belgrade serbia

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    I'm gordan.

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    Quote Originally Posted by montesquieu View Post
    This was a long way from a $10 board off eBay and the guy who built it also built the rather excellent Phasure DAC that was the only source on this system, so he knew what he was doing.
    Phasure DAC? The power amp used by the Phasure designer is actually gain-clone based but simply executed to perfection (BD Design, BD-Amp - Oris Swing - the same DNA), so for sure he knew what he was doing.
    Gordan.
    Speakers: Oris Swing MkII
    Amps: Thomas Mayer 300b/ Hiraga La Maison de L'Audiophile 20
    Preamp: Silver AVC by eng. Ferenc Lazar
    Phono Preamp: Shishido LCR by Solaja Audio
    Decks: Garrard 301 Martin Bastin reworked/plinthed with Fidelity Research FR64fx
    Garrard 401 in eng Ferenc Lazar solid wenge plinth with SME 3012/2
    Cartridges: SPU Spirit/ Koetsu Black revisited by eng. Salai/ Miyajima Shilabe
    Step Up Transformers: Tango MCT 999/ Ortofon T-5000/ Lumiere SUT
    Digital: Shigaclone by eng. Ferenc Lazar with Lampizator Amber II
    Wires: of sufficient length

  5. #25
    Join Date: Dec 2012

    Location: Stoke on trent

    Posts: 959
    I'm Steve.

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    My experience with Ks, they haven't liked any if the el84 amps I've used with them and also never really worked at baje offs with el84 amps. The croft power amps arent as good as the pre amps..I think they'll sound a bit reedy and sharp with the Ks. Hold out for a prima Luna or AI500. An audion sterling would sound nice but I doubt it would do rock.

  6. #26
    Join Date: Mar 2016

    Location: Brighton, UK.

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    I'm Mike.

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    Quote Originally Posted by Bourney View Post
    My experience with Ks, they haven't liked any if the el84 amps I've used with them and also never really worked at baje offs with el84 amps. The croft power amps arent as good as the pre amps..I think they'll sound a bit reedy and sharp with the Ks. Hold out for a prima Luna or AI500. An audion sterling would sound nice but I doubt it would do rock.
    Any specific Prima Luna?
    Current system 1210 GR. CDP - Meridian G08. Amp -Sugden A21I - Sig. Wharfedale Lintons.

  7. #27
    Join Date: Dec 2012

    Location: Stoke on trent

    Posts: 959
    I'm Steve.

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    I just used a prologue 1, it was a good match. Around 40w a side, so meaty and bold sounding.

  8. #28
    Join Date: May 2018

    Location: Somerset

    Posts: 79
    I'm Paul.

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    All the suggestions are fine, I loved the Audio Innovation S 500 but mine overheated and blew up, the Icon Audio amps are solid, well made and reliable. I've also heard the Audio Note OTO making nice sounds with your speakers, gather your money and throw the dice!
    Out here on the perimeter there are no stars
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  9. #29
    Join Date: Oct 2012

    Location: The Black Country

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    I'm Alan.

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    Doesn't the OTO use EL84 equivalents?

  10. #30
    Join Date: Jun 2015

    Location: London/Durham

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    I'm Lawrence.

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    Quote Originally Posted by Firebottle View Post
    You have to be careful with Chinese amps that are rated at 220V mains.
    With out typical 245V mains they are over stressed a lot.
    You can get bucking transformers to deal with this of course.

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