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Tube Database (7,341 tube types · 1,270 archive entries)

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Tube record

Z729, EF86

Brand
Marconi

Pinched Tip

Bottle Height
Short
Bottle Shape
Skinny Bottle
Country
Great Britain
Getter
O-Getter Plate
Glass Color
Clear Glass
Mica
Double
Archive ID
2cequa7o
Pin Color
Silver Pins
Plate Color
Gray Shiny Nichel
Plate Look
Holes in Plate
Plate Size
14mm
Tip Shape
Pinched Tip

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    6CA7, XF4

    Brand
    Marconi
  • Marconi 12AX7A, 7025A tube - Marconi — photo 1 of 7
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  • Marconi ECC82, B329, K61 tube - Mullard — photo 1 of 3
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  • Marconi ECC83, B339, F91 tube - Mullard — photo 1 of 9
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  • Marconi 12AX7 tube — photo 1 of 6
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  • Marconi B329, 12AU7 tube

    B329, 12AU7

    Brand
    Marconi
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12AX7A, 7025A

Maker
Marconi
Brand
Marconi

ECC82, B329, K61

Maker
Mullard
Brand
Marconi

ECC83, B339, F91

Maker
Mullard
Brand
Marconi

12AX7

Brand
Marconi

ECC83, B339, I61

Brand
Marconi

ECC83, 12AX7

Brand
Marconi

ECC83

Brand
Marconi

KT66

Brand
Marconi

More Z729 type tubes

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    Z729

    Maker
    M-O Valve Co. Ltd
    Brand
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  • Genalex Z729 tube — photo 1 of 3
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Z729

Brand
Genalex

Equivalent and related tube numbers

Commonly cross-referenced designations for EF86. Compatibility is not guaranteed. Before substituting, verify socket and pinout, heater voltage and current, bias requirements, and maximum ratings against the relevant manufacturers’ datasheets.

  • 6267
  • Z729

More EF86 type tubes

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EF86

Maker
RFT
Brand
Telefunken
  • Mullard EF86 tube — photo 1 of 4
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    EF86

    Brand
    Mullard
  • RFT EF86 tube — photo 1 of 3
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    EF86

    Brand
    RFT
  • Telefunken EF86 tube — photo 1 of 4
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    EF86

    Brand
    Telefunken
  • Amperex 6267, EF86, 8Y5 tube — photo 1 of 2
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    6267, EF86, 8Y5

    Brand
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    EF86, 9R1

    Brand
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  • Marconi EF86, 6267 tube - La Radiotechinque — photo 1 of 4
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    EF86, 6267

    Maker
    La Radiotechinque
    Brand
    Marconi
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    EF86, 6267

    Maker
    Philips
    Brand
    Rogers