Home › Forums › Help/Technical Questions › EHX KT90

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  • April 27, 2009 at 8:00 pm #78142
    analysisparalysis
    Participant

    Hello. I am interested in using the EHX KT90 tube.

    Does anyone know where I can get a copy of a data sheet with plate curves for the EHX KT90?

    I have a copy of the Ei KT90 data sheet, but it would be nice to have plate curves for higher screen voltages, and for the actual EHX KT90.

    I did find this:

    http://www.pearl-hifi.com/06_Lit_Archive/01_Audio_Notes/Audio_Output_Trans.pdf

    Which has plate curves for 300V screen.

    Any ideas? Or, at the least, does anyone have some information on this tube, like how similar it is to Ei KT90?

    Thank you.

    April 27, 2009 at 9:48 pm #96105
    FUZZ (EHX Staff)
    Member
    Quote:
    Hello. I am interested in using the EHX KT90 tube.

    Does anyone know where I can get a copy of a data sheet with plate curves for the EHX KT90?

    I have a copy of the Ei KT90 data sheet, but it would be nice to have plate curves for higher screen voltages, and for the actual EHX KT90.

    I did find this:

    http://www.pearl-hifi.com/06_Lit_Archive/01_Audio_Notes/Audio_Output_Trans.pdf

    Which has plate curves for 300V screen.

    Any ideas? Or, at the least, does anyone have some information on this tube, like how similar it is to Ei KT90?

    Thank you.

    Hello,

    I hope those Spec Sheets I forwarded you helped you out.

    FuzZ

    April 27, 2009 at 10:38 pm #96106
    analysisparalysis
    Participant

    They do, thank you FUZZ. I’ll email you back when I have a working prototype, if you are interested.

    :-)

    May 15, 2009 at 11:22 pm #96741
    hugosmento
    Member

    hi.. im intrested too .. send to me … please??

    May 18, 2009 at 6:21 pm #96826
    analysisparalysis
    Participant

    PM me your email address. I will forward.

    May 19, 2009 at 4:49 am #96833
    hugosmento
    Member

    hugosmento@hotmail.com if you please send to me the datasheet too.. thanks

    September 21, 2009 at 4:53 pm #101663
    nick83ola
    Participant

    To Ehx Supprt

    I think that a web site page with tubes datasheet could be
    very useful to people who wants to use your tubes in a custom/diy project…
    F. Ex. I need the datasheet or specification of 5U4G rectifier tube, ex max current, voltage drop,
    etc etc

    Best regards

    Nicola Lunghi

    May 14, 2010 at 5:43 am #102874
    KT90 SixPack
    Member

    Dear Fuzz,

    I would like to request a datasheet for the EH KT-90. I have read someone’s claim that the screen grid construction is more robust than that of the original Ei KT-90. If you have any info on this, would be much appreciated.

    Best Regards,

    HT

    May 14, 2010 at 5:52 am #102875
    KT90 SixPack
    Member

    Dear Fuzz,

    Below is a picture of the power supply that feeds my audio deck. I’m running six KT-90s in push pull parallel, wired in triode mode with B+ at 525V. My Ik is around 65 mA. Any concerns?

    HT

    May 14, 2010 at 11:58 pm #102852
    friedjesseradio
    Member
    Quote:
    hugosmento@hotmail.com if you please send to me the datasheet too.. thanks

    im gonna spam you!!! just kidding

    May 15, 2010 at 1:24 am #102854
    Mr.Grim
    Member

    yeah….when requesting for sum one to send you info to your email, i suggest you private message them your email, so not everyone can see/use it.

    September 7, 2012 at 5:01 am #118122
    DannyJGlover
    Participant

    Dear Fuzz et al.,
    Could I by chance get a hold of those EHX KT90 plate curves as well?
    The complete datasheet would make me smile.

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