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

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12AU7, GF1

Manufacturer: Siemens
Brand: Artisan

Pinched Tip

Code On Tube: Gf1 ⋕4E
Country: Germany
Factory Code: ⋕ - Siemens, Munchen, ⋕ - Siemens, Munchen
Getter: O-Getter Halo
Getter Support: Double
Glass Color: Clear Glass
Archive ID: uzs9im0y

Plate Color

Gray Shiny Nichel

Plate Look

Ribbed / Scale

Plate Size

14mm

Tip Shape

Pinched Tip

Year

1964

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More GF1 type tube

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Equivalent and related tube numbers

Commonly cross-referenced designations for 12AU7. Compatibility is not guaranteed. Before substituting, verify socket and pinout, heater voltage and current, bias requirements, and maximum ratings against the relevant manufacturers’ datasheets.