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PV8DE

 
    
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The Ediswan PV8DE is a low impedance audio output triode and differs only slightly from the PV6DE apart from the filament parameters. The PV indicates a power valve and the DE stands for dull emitter.
The simple split pin base pins. The faint etched identification can just be seen. It says that the filament has a maximum rating of 3.0 Volts and that it is a dull emitter.
The balloon envelope is 44 mm in diameter, and excluding the B4 base pins is 87 mm tall.
References: Datasheet, 1047 & 1003. Type PV8DE was first introduced in 1925.

 

Pin Connections
B4
1
2
3
4
a
g1
f
f

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
μ
3.0
0.12
60-120
-7
-
10,500
0.58
6.0
Updated June 30, 2017.
shape:balloon construction:pinch type:triode age:1920.1930 base:b4 pins:4 pin:1.a pin:2.g1 pin:3.f pin:4.f
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