F2a Siemens F2a11

Siemens F2a & F2a11, indirectly heated long life tetrodes, both versions are electrically identical, the difference is just in socket. They are constructed exclusively for professional audio amplifiers, SE or PP, sound really nice triode strapped in push-pull amplifiers

F2A Siemens pentode

F2A Siemens pentode

F2a11 Siemens pentode

F2a11 Siemens pentodeF2a11 Siemens pentode

Closely matched pair, within 1%, almost identical tubes!!!

 

Click to see all Output pentodes and tetrodes in stock

 

This Post Has 11 Comments

  1. John 7 May 2013 Reply

    How much matched pair?

    1. admin 7 May 2013 Reply

      I don’t have enough time to finish my site and price list, please email me to nostubes@gmail.com for all details.

      Thanks

  2. Marco 21 May 2013 Reply

    Buongiorno,
    vorrei sapere se ha disponibili due tubi F2A11 da vendermi
    grazie
    Marco

    Good morning,
    I would like to know if you have available to sell me two tubes F2A11
    thanks
    Marco

    1. antonio 11 Oct 2015 Reply

      salve, ho una coppia di f2a nos in scatola siemens le intesessano?

  3. mohsen 13 May 2014 Reply

    hello.i want f2a tube.goodbye

  4. homan 7 Jul 2014 Reply

    hi .can you send your f2a price to me?
    thanks

  5. homan 7 Jul 2014 Reply

    hi
    please send me f2a price .

  6. Rajkumar 13 Jun 2016 Reply

    I need 2 pairs of F2a11 tubes. what is the cost?

  7. Johan 3 Jul 2016 Reply

    Please send price matched pair. f2a and f2a11

  8. Urs 12 Mar 2021 Reply

    Do you have a matched, brandnew pair of the f2a Siemens to sell? Please send me the price for it.

  9. Mićan Anđelković 8 Jul 2022 Reply

    Želim da kupim jedan, ili dva para Siemens F2a.
    Da li imate na stanju i po kojoj ceni?
    Iz Novog Sada sam.

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