|
Double triode
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
a(2) |
g(2) |
k(2) |
f |
f |
a(1) |
g(1) |
k(1) |
fct |
Heater has central tap,
so it can be used for 6.3V operation.
Vf |
Af |
Va |
Vg |
mAa |
ra |
gm |
Pdiss |
12.6 |
0.15 |
250 |
-2 |
1.2 |
62,500 |
1.6 |
1 |
Equivalent |
12AD7, 12AX7, 12DF7, 12DT7, 12DM7,
5751,
6681, 7058, 7729, B339, CV4110,
CV492,
E83CC,
ECC83, M8137 |
|