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

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Tube-number record

GZ34

37 archive entries

GZ34 is a tube type in the TubeDatabase archive (class: Vacuum Tube). Recorded specifications: brand Tungsram and construction Diode. The archive holds 37 photographed examples of this type.

Equivalent and related tube numbers

Commonly cross-referenced designations for GZ34. Compatibility is not guaranteed. Before substituting, verify socket and pinout, heater voltage and current, bias requirements, and maximum ratings against the relevant manufacturers’ datasheets.

5AR4

BrandTungsram

ClassVacuum Tube

Filament5 V @ 1.9 mA

Construction

Primary TypeDiode

Rectifier TypeFull-Wave

Sections2

Filament / Heater

Datasheets

Datasheet: GZ34.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

Filters

37 tubes found

Manufacturers

Mullard15 Hitachi1

Heater NotesIndirect

Absolute Maximum Ratings

Audio Performance

Typical Operation

Mode	Plate V	Gm (µmhos)	Rp (Ω)	µ	Plate mA
Rectifier	450 V	—	—	—	250 mA
Rectifier	400 V	—	—	—	250 mA

Matsushita

1

Brands

Philips9 Miniwatt5 Mullard4 Amperex3 Zaerix3 Adzam1 Belvu1 Dario1 Genalex1 Glotron1 Hewlett Packard1 Iec Mullard1 Itt1 Marconi Radiotron1 Pope1 Raytheon1 RCA1 RTC1 Siemens1 Sonotone1 Sylvania1 Telefunken1 The Fisher1 Valvo1

Related tube numbers

5AR413 F329 F335 F311 R711 U771

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Photo 1 of 5
GZ34
Maker
Hitachi
Brand
Zaerix
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GZ34
Maker
Matsushita
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GZ34
Maker
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GZ34, 5AR4
Maker
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Photo 1 of 6
GZ34
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GZ34, 5AR4
Maker
Mullard
Brand
Raytheon
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GZ34, 5AR4, F32
Maker
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GZ34, 5AR4
Maker
Mullard
Brand
The Fisher
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GZ34, R71
Maker
Mullard
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GZ34, 5AR4, F32
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5AR4, GZ34, F32
Maker
Mullard
Brand
Marconi Radiotron
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GZ34, F32
Maker
Mullard
Brand
Glotron
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GZ34
Maker
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GZ34, F33
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GZ34
Maker
Mullard
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GZ34
Maker
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GZ34, 5AR4, F32
Maker
Mullard
Brand
Sylvania
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GZ34
Maker
Philips
Brand
Mullard
GZ34, F32
Brand
Philips, Miniwatt
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GZ34, 5AR4, F33
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GZ34, F32
Brand
Philips
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GZ34, F33
Brand
Philips
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U77, GZ34, 5AR4
Brand
Genalex
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GZ34, 5AR4, F31
Brand
Amperex

Showing 1–24 of 37 results

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Brand

Brand

Miniwatt, Dario

Brand

Maker: Mullard
Brand: Belvu

Brand

Brand

Maker: Mullard
Brand: Amperex, Hewlett Packard

Brand

Maker

Brand

Brand

Brand

Brand: Mullard