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6L18

Sensibly equivalent to:
CV1899
See also:
Valves and their Habits
    
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The 6L18 is an amplifier triode. It has a low impedance and was used as a frame timebase amplifier.
Our other other 6L18 has a different form of construction.
The control grid is wound on copper rods that are bridged above the top mica by a heatsink fin. The outer screen is perforated and the anode consists of two sheets one either side of the flat central cathode.
The thin glass tube envelope is 20 mm in diameter and, excluding the B8A base pins, is 54]k]mm tall.
Reference: 1040. Type 6L18 was first introduced in 1948.

 

Pin Connections
B8A
1
2
3
4
5
6
7
8
h
a
ic
s
ic
g1
k
h

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.3
250
-13.3
12
3,000
5.5
Updated April 07, 2013.
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