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6/30L2

Sensibly equivalent to:
6GA8 B729 ECC804
See also:
Valves and their Habits - Ediswan First Preference Range Advert - Mazda 6/30L2 Advert
    
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The 6/30L2 is a general purpose double triode with a screen between the sections. Their main applications are found in television receivers.
Made in England and the company is a member of the BVA. The inside of the glass looks to be discoloured through use (abuse?).
The control grids are wound on copper rods.
The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 48 mm tall.
References: Data-sheet & 1040 Type 6/30L2 was first introduced in 1958. See also 1958 adverts.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
a(2)
g1(2)
k(2)
h
h
a(1)
g1(1)
k(1)
s

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.3
200
-7.9
10.0
5.3k
3.4
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated July 26, 2023.
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