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T20

Sensibly equivalent to:
CV3722
See also:
Taylor Tubes T20 Box
    
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Although unmarked, we believe this to be a Taylor Tube type T20.
This directly heated triode has two filament strands. The grid is of fine wire on notched rod supports. The anode is connected to the top cap and is blackened to radiate heat.
The balloon envelope is 55 mm in diameter and, excluding the UX4 base pins, is 138 mm tall.
References: Datasheet & 1016.

 

Pin Connections
UX4
1
2
3
4
tc
f
-
g1
f
a

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
Pdiss
freq
7.5
1.75
750
-
85
20W
60MHz
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated February 10, 2014.
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