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L63

Sensibly equivalent to:
6C5 6J5G CV1067 CV1932 VR67 VT154
See also:
The Williamson Amplifier - CV1067 short entry
    
Extras ▼

 

The L63 is an octal based amplifier triode. It is a low impedance device and although designed as a general purpose valve it is often used at audio frequencies.
We have several exhibits of this valve. with different envelope shapes.
The Marconi label is still present on this valve.
The classic envelope is 36 mm in diameter and, excluding the IO base pins, is 82 mm tall.
References: Datasheet & 1040. Type L63 was first introduced in 1938.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
m
h
a
-
g1
-
h
k

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.3
250
-8
9
7,700
2.6
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated April 03, 2015.
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