GZ34
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| Usage in Models | 1= 1953 ; 1= 1954? ; 5= 1954 ; 7= 1955?? ; 4= 1955? ; 6= 1955 ; 15= 1956?? ; 3= 1956? ; 6= 1956 ; 4= 1957?? ; 5= 1957? ; 6= 1957 ; 4= 1958?? ; 5= 1958? ; 7= 1958 ; 4= 1959?? ; 30= 1959? ; 15= 1959 ; 19= 1960?? ; 13= 1960? ; 3= 1960 ; 6= 1961?? ; 3= 1961? ; 7= 1961 ; 5= 1962?? ; 5= 1962? ; 6= 1962 ; 4= 1963?? ; 7= 1963? ; 13= 1963 ; 1= 1964?? ; 2= 1964 ; 17= 1965?? ; 4= 1965 ; 2= 1966?? ; 3= 1966? ; 1= 1966 ; 1= 1967?? ; 3= 1967 ; 3= 1968?? ; 1= 1968 ; 1= 1973? ; 1= 1973 ; 1= 1975?? ; 1= 1990?? |
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):261
Collection of a member from FIN
Collection of a member from D
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Forum contributions about this tube
GZ34
Threads: 1 | Posts: 2
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Hits: 4075 Replies: 1
GZ34 (GZ34)
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Alfred Zeeb
24.Jul.09 |
1
The "Assembly Instructions" for the Dynaco Dynakit Stereo 70 list on page 10 tubes 5U4G and 5U4GB as suitable replacement for the GZ34 |
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Roy Johnson
24.Jul.09 |
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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. Best regards,Roy
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GZ34
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