Double tetrode

Double tetrode
Showing 1 - 27 of 27 items
  • $US7.00

    Various manufacturer

    In Stock
  • $US8.00

    Various manufacturer

    In Stock
  • $US6.00

    Raytheon
    Joint Army Navy US (JAN)

    High quality Mil.Spec. double tetrodes manufactured in US by renowned Raytheon. Black plates, halo getter, 1970's production codes. Excellent push-pull RF amps up to 400 MHz. High quality Mil.Spec. double tetrodes manufactured in US...

    In Stock
  • $US18.00

    Various manufacturer

    In Stock
  • Sale!
    $US20.00 $US36.00

    Philips

    High quality US manufactured gold pin double tetrodes by Philips; standard European tube for medium power VHF transmitters in the 1960’s. These thick glass envelope tubes have 7 pins in base and 2 plates (anodes) on top. They may be used as RF Class C amplifiers and oscillators (2 sections in push-pull), or Class C amplifiers with anode and screen-grid... High quality US manufactured gold pin double tetrodes by...

    In Stock
  • $US29.00

    Amperex vacuum tubes
    Joint Army Navy US (JAN)

     Top quality mil. spec. beam power amplifier tubes manufactured in the United States by Amperex. These thick glass rugged double tetrode tubes with gold pins, gray plates and bottom getters, are printed in orange AMPEREX 5894 JAN MADE IN U.S.A. 78-20 (indicating 1978 production). They are boxed in beige boxes printed NATO STOCK NO. 5960-00-248-8502...  Top quality mil. spec. beam power amplifier tubes...

    In Stock
  • $US24.00

    Philips
    Joint Army Navy US (JAN)

    In Stock
  • $US19.00

    Various manufacturer

    In Stock
  • $US8.00

    Sylvania

    In Stock
  • $US19.00

    Various manufacturer

    In Stock
  • $US15.00

    Various manufacturer

    In Stock
  • $US12.00

    Amperex vacuum tubes

    NOS tube 6939 JAN Power tetrode for communications equipments made in Holland by Amperex, gray plates, D-getter, triple mica. Early 1960's production. Industrial rated push-pull RF power amp or frequency multiplier up to an amazing 500MHz. NOS tube 6939 JAN Power tetrode for communications...

    In Stock
  • $US23.00

    Amperex vacuum tubes
    Joint Army Navy US (JAN)

    Excellent Mil.Spec. 6939 JAN power tetrode for communications equipment by Amperex USA, green print, halo getter, manufactured in USA. Industrial rated push-pull RF power amp or frequency multiplier up to an amazing 500MHz. Excellent Mil.Spec. 6939 JAN power tetrode for...

    In Stock
  • Sale!
    $US19.00 $US29.00

    Amperex vacuum tubes
    Joint Army Navy US (JAN)

     Amazing mil. Spec. 9 pin power tetrodes manufactured in U.S.A. by renowned Amperex. Industrial rated design for communications equipment up to 500 MHz, these miniature glass tubes have gray plates, stout copper posts and top halo getters. They are printed in orange AMPEREX JAN 6939 MADE IN U.S.A. with typical 1960's and 1970's production codes, and...  Amazing mil. Spec. 9 pin power tetrodes manufactured in...

    In Stock
  • $US14.00

    Amperex vacuum tubes
    Joint Army Navy US (JAN)

    Tube 6939 JAN U.S. Navy power tetrode manufactured for US Navy communications equipments by Amperex USA, waisted glass body, white logo lettering, triple mica, D-getter. Industrial rated push-pull RF power amp or frequency multiplier up to an amazing 500MHz. Tube 6939 JAN U.S. Navy power tetrode manufactured for US...

    In Stock
  • $US26.00

    Amperex vacuum tubes
    Joint Army Navy US (JAN)

    Excellent Mil.Spec. JAN 6939 power tetrode for communications equipment by Amperex USA, white logo printing, halo getter, manufactured in USA. Excellent Mil.Spec. JAN 6939 power tetrode for...

    In Stock
  • Sale!
    $US19.00 $US35.00

    Philips

    1960 production of high quality gold pin double tetrodes manufactured in Holland by universally renowned Philips. Complete with internal neutralising capacitors, and oxide coated cathodes, these amazing tubes may be used as oscillators, frequency triplers, or amplifiers up to 960 Mc/s. 1960 production of high quality gold pin double tetrodes...

    In Stock
  • $US59.00

    Amperex vacuum tubes

    In Stock
  • $US18.00

    Various manufacturer

    In Stock
  • $US18.00

    RCA vacuum tubes

    RCA 829B/3E29 tubes, NOS in original boxes. Black plates, ceramic post collars. RCA 829B/3E29 tubes, NOS in original boxes. Black plates,...

    Product available with different options
  • $US6.00

    Various manufacturer

    In Stock
  • Sale!
    $US20.00 $US29.00

    Mullard vacuum tubes
    British military (CV)

     Quality double beam tetrode tubes manufactured in Eindhoven, Holland by renowned Mullard. With triple mica supports, gray plates and top halo getters, these magnificent 9 pin miniature glass tubes may be used in frequency multiplier, driver, and output stages of radio equipment. They are printed in white new style logo MULLARD QQVO2-6 MADE IN HOLLAND and...  Quality double beam tetrode tubes manufactured in...

    In Stock
  • $US19.00

    Philips

    Fine double tetrode tubes manufactured by Philips in Holland. NOS in yellow Philips boxes. All pins gold-plated, 7-pin base and 2 anode pins on top. Designed for use as either radio frequency Class C amplifier for frequencies up to 600 Mc/s, or as low frequency amplifier. Above 300 volts on plates up to 430 Mc/s, forced air cooling is advised, otherwise... Fine double tetrode tubes manufactured by Philips in...

    In Stock
  • $US19.00

    Philips

    Mint from trays, gold pin double tetrode tubes manufacured in United States by world renowned Philips. These fine 9-pin tubes, with quick heating cathodes, and internal neutralisation, are designed as RF amplifiers, frequency multipliers, or modulators, in mobile radio communications equipment. They have gold-plated pins top and bottom, thick glass... Mint from trays, gold pin double tetrode tubes...

    In Stock
  • $US24.00

    Telefunken vacuum tubes

    In Stock
Showing 1 - 27 of 27 items