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Double transmitting triode
Introduced in 1938
(VT61A has different filament and base)
1 |
2 |
3 |
4 |
5 |
6 |
7 |
tc1 |
tc2 |
base |
f |
nc |
g(2) |
k |
g(1) |
nc |
f |
a(2) |
a(1) |
U7B |
Vf |
Af |
Va |
Vg |
mAa |
Pdriv |
Pdiss |
Pout |
Freq |
6.3 |
0.8 |
300 |
-50 |
80 |
2 |
5 |
15.9 |
50-250 mHz |
Equivalent |
10E/11442, CV18, CV1061 |
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