Marconi

Marconi
Showing 1 - 33 of 33 items
  • $US19.00

    Marconi

    Top quality audio preamplifier tubes manufactured in Canada by renowned Marconi. These 9 pin double triodes have short gray plates and top D getters. They are printed in white with Marconi logo, MARCONI RADIOTRON MADE IN CANADA, typically coded MA, and glass-etched 12AT7. Top quality audio preamplifier tubes manufactured in...

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  • $US23.00

    Marconi

    Top quality miniature glass amplifier tubes manufactured in the United States or Canada by renowned Marconi. These 9 pin double triode tubes come with gray plates and top getters. They are rpinted in red MARCONI RADIOTRON MADE IN U.S.A. or CANADA, with various two letter codes. Top quality miniature glass amplifier tubes manufactured...

    In Stock
  • $US7.00

    Marconi

     Fine high conductance pentode tubes manufactured in Canada by renowned Marconi. These 9 pin miniature glass amplifier tubes are printed in red with Marconi logo, MARCONI RADIOTRON MADE IN CANADA, and glass etched 12BY7A CANADA. Price is for one tube, available singles and pairs.  Fine high conductance pentode tubes manufactured in...

    In Stock
  • $US4.00

    Marconi

     High quality double diode triode tubes manufactured in Canada by renowned Marconi. These glass 8 pin octal based tubes are for service as diode detector, AVC rectifier and high gain amplifier in radio equipment. They have gray plates, bottom getters, and are glass etched 12Q7GT/G MADE IN CANADA. Bases are printed in red with Marconi logo, MARCONI...  High quality double diode triode tubes manufactured in...

    In Stock
  • Sale!
    $US5.00 $US12.00

    Marconi
    Joint Army Navy US (JAN)

    From bulk trays, fine black metal octal-based twin triodes manufactured in Canada by renowned Marconi. These excellent tubes are designed primarily as phase inverters and audio amplifiers, each section having an amplification factor of 70. Tubes are printed in red JAN 12SC7 MARCONI MADE IN CANADA, and coded V A5; metal bases are stamped 12SC7-H. From bulk trays, fine black metal octal-based twin...

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  • $US26.00

    Marconi

    In Stock
  • $US44.00

    Marconi

    In Stock
  • $US4.00

    Marconi

    Straight-sided glass diode triode tube manufactured in Canada by Canadian Marconi Company - box has Canadian Defence Ministry label. New in box. Shipping fees only $2 per tube. Straight-sided glass diode triode tube manufactured in...

    In Stock
  • $US7.00

    Marconi

    In Stock
  • $US29.00

    Marconi

    In Stock
  • $US15.00

    Marconi

    In Stock
  • Sale!
    $US9.00 $US17.00

    Marconi

    Quality New Bulk miniature glass 7-pin vacuum tubes manufactured by renowned Marconi. These cold cathode gas-filled thyratrons are primarily designed for relay control operations. They come with silver metal internal construction and top D-getters. They are printed in white MARCONI and are coded F9 SX 49788, and glass engraved 5823. Quality New Bulk miniature glass 7-pin vacuum tubes...

    In Stock
  • $US53.00

    Marconi

     Fine black plate full-wave rectifier tubes manufactured in Canada or the United States by Marconi. These shoulder type glass octal based 8 pin tubes have black ribbed plates and bottom D getters. They are printed in red on base with Marconi logo, MARCONI RADIOTRON with various two digit codes. They are also glass etched 5U4G MADE IN CANADA or U.S.A.  Fine black plate full-wave rectifier tubes manufactured...

    In Stock
  • $US29.00

    Marconi

     Fine full wave rectifier tubes manufactured by Marconi in Japan. These glass 8 pin octal based tubes have two thick mica spacers, black plates, and double top side getters. They are glass engraved 5U4GB JAPAN, and printed in red MARCONI RADIOTRON with variable codes.    Fine full wave rectifier tubes manufactured by Marconi...

    In Stock
  • $US18.00

    Marconi

    Quality full wave rectifier tubes manufactured in Canada or the United States by renowned Marconi. These 8 pin octal based glass tubes come with black plates, strong metal internal supports, and bottom D getters. They are glass etched 5Y3GT U.S.A. or CANADA, and are printed in red with Marconi logo, MARCONI RADIOTRON. Boxes are standard Marconi red and... Quality full wave rectifier tubes manufactured in Canada...

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  • $US17.00

    Marconi

    In Stock
  • $US5.00

    Marconi
    Philips

    In Stock
  • $US7.00

    Marconi

    Fine pentode amplifier tubes manufactured in the United States or Canada by Marconi. These octal 8 pin based black metal tubes, suitable for radio service, are printed with Marconi logo either in red or in white, MARCONI RADIOTRON 6SJ7. Some boxes are oversized, all are Marconi red and black printed 6SJ7. Fine pentode amplifier tubes manufactured in the United...

    In Stock
  • $US23.00

    Marconi

    Top of the line 8 pin octal based audio amplifier tubes manufactured in Canada by Marconi. These renowned tall glass bottle double triodes with two independant sections, come with black ribbed plates, four sturdy copper posts, double mica spacers, and bottom D getters. They are glass etched 6SN7GT/B MADE IN CANADA, and printed in white or red on base with... Top of the line 8 pin octal based audio amplifier tubes...

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  • $US9.00

    Marconi

    In Stock
  • $US8.00

    Marconi

    In Stock
  • $US12.00

    Marconi

    In Stock
  • $US9.00

    Marconi

    In Stock
  • $US9.00

    Marconi

    In Stock
  • $US15.00

    Marconi
    British military (CV)

    In Stock
  • $US29.00

    Marconi

    In Stock
  • $US15.00

    Marconi

    In Stock
  • $US23.00

    Marconi

    MOS Marconi / M.W.T. made in England with original box (NIB). Marconi Wireless Telegraph logo. 6CQ6 = EF92 = W77. MOS Marconi / M.W.T. made in England with original box...

    In Stock
Showing 1 - 33 of 33 items