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AR13 / ZA/5712 triode

Size
This valve measures 115x55mm overall and has a BC4 base

This is a directly heated triode. The 1944 and 1946 CV Registers show this to be equivalent to CV1311. However the 1963 CV Register shows CV1664 as equivalent, and the EVS datasheet for CV1664 shows AR13 as equivalent to it. CV1664 is clearly a later valve but the electrical characteristics are the same.

Filament voltage4V
Filament current250mA
Max anode voltage190V
Mutual conductance2.2mA/V
Amplification factor12
Anode impedance5.5k ohms


PinFunction
1Grid
2Filament
3Filament
4Anode

Inside view
AR13

This file was last modified15:50:34, Tuesday September 02, 2014