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HF/LF pentode
Introduced in 1938
EF12k is the low-microphonic version of the EF12,
EF12E is a replacment tube for the EF12 (a EF41 with Y8A socket)
| 1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
base |
| g2 |
g1 |
k,g3 |
- |
f |
f |
- |
a |
Y8A |
|
Vf |
Af |
Va |
Vs |
Vg |
mAa |
mAs |
ra |
gm |
Pdiss |
|
6.3 |
0.2 |
250 |
100 |
-2 |
3 |
1 |
2,000,000 |
2.1 |
2 |
|
