Antique radios, Old Time Radios

GZ34

ID = 3410

Country:

Worldwide

Brand:	Common type Worldwide tube/semicond. Common type Worldwide tube/semicond. Edicron; Faringdon, Oxfordshire Sovtek, GENALEX; Saratov National Electronics, Inc.; Geneva, IL
Tube type:	Full-Wave Vacuum Rectifier Power-supply

Identical to

GZ34 = 5AR4

Similar Tubes

Normally replaceable-slightly different:

GZ34STR ; S-GZ34

Other class quality (otherwise equal):

22S22C ; CV1377 ; GZ34S

Different maximum ratings:

5V4G ; GZ32

Multiple differences or of other kind:

5Ц4М

First year

1954 Analysis by models

First Source (s)

Jan.1956 : Funkschau 1956, Heft 1

Predecessor Tubes

AZ12 5V4G GZ32 AZ4

Base

Octal (Int.Octal, IO) K8A, USA 1935

Was used by

Radio/TV-reception etc.

Filament

Vf 5 Volts / If 1.9 Ampere / Half indirect / Specified voltage AC/DC

Dimensions (WHD)
incl. pins / tip

33 x 72 x mm / 1.30 x 2.83 x inch

Weight

45 g / 1.59 oz

Tube prices

30 Tube prices (visible for members only)

Information source

Röhren-Taschen-Tabelle, (Franzis RTT)

GZ34: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus †
GZ34: Telefunken Werkstattbuch Wolfgang Bauer More ...	Just Qvigstad	GZ34: Valvo-Elektronen-Röhren-Handbuch Alexander Küffer More ...

Usage in Models

1= 1953 ; 1= 1954?? ; 5= 1954 ; 9= 1955?? ; 4= 1955? ; 6= 1955 ; 17= 1956?? ; 4= 1956? ; 6= 1956 ; 4= 1957?? ; 6= 1957? ; 6= 1957 ; 7= 1958?? ; 8= 1958? ; 11= 1958 ; 5= 1959?? ; 32= 1959? ; 15= 1959 ; 22= 1960?? ; 18= 1960? ; 6= 1960 ; 6= 1961?? ; 4= 1961? ; 7= 1961 ; 6= 1962?? ; 8= 1962? ; 14= 1962 ; 5= 1963?? ; 7= 1963? ; 15= 1963 ; 3= 1964?? ; 1= 1964 ; 16= 1965?? ; 4= 1965 ; 4= 1966?? ; 3= 1966? ; 1= 1966 ; 1= 1967?? ; 3= 1967 ; 3= 1968?? ; 2= 1968 ; 1= 1969? ; 1= 1970?? ; 1= 1973? ; 1= 1973 ; 1= 1975?? ; 1= 1990??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):312

Collection of

Documents about this component

GZ34 Data from Mullard

346 KB

GZ34

Forum contributions about this tube

GZ34

Threads: 1 | Posts: 2

Hits: 6764 Replies: 1

GZ34 (GZ34)

Alfred Zeeb † 8.6.22
24.Jul.09

GZ34 (GZ34)

The "Assembly Instructions" for the Dynaco Dynakit Stereo 70 list on page 10 tubes 5U4G and 5U4GB as suitable replacement for the GZ34

Roy Johnson
24.Jul.09

Rectifier Tube Comparison

Thank you Alfred,

One must be careful in considering replacement tubes.

In particular tye GZ34 has a lower heater current than many others of a similar HT rating. It may be OK for that amplifier but not for all!

The attached pdf gives a brief overview, but other factors such as series resistance and capacitor loading must also be considered.

TABLE

Best regards,Roy

GZ34
End of forum contributions about this tube

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GZ34

Common type Worldwide tube/semicond.

Collection of