The E80CC is a special quality double triode. This is probably ruggedised and designed for long service life.
The operating details are taken from the Philips Pocketbook for Hams 1962.
The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 68 mm tall.
Pin Connections
B9A |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |

|
a(1) |
g1(1) |
k(1) |
h |
h |
a(2) |
g1(2) |
k(2) |
hct |
Absolute Maximum Operating Conditions
Triode |
Vh |
Ah |
Va |
mAa |
ra |
gm |

|
6.3 |
0.6 |
250 |
6.0 |
10,000 |
2.7 |
Thanks to Frank Philipse for supplying the above datasheet
|