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Double triode
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Introduced in 1954
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Heaters can be parallel connected for 6.3V, 350mA
operation. |
| 1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
| ai |
gi |
ki |
f |
f |
a |
g |
k |
fc |
|
Vf |
mAf |
Va |
Vg |
mAa |
ra |
gm |
Pdiss |
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12.6 |
0.15 |
250 |
-2 |
1.2 |
62,500 |
1.6 |
1 |
| Equivalents |
12AX7,
5751, 6681, 7025, B339,
CV4004,
CV4110, CV492, E83CC, ECC803, ECC803S |
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