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Stentor Four

Sensibly equivalent to:
410P
See also:
Cossor Advert, May 11, 1927 - The Early Cossor Tin Hat Valves - Some Important British Valves - Cossor Point One and Stentor Valves
    
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The Cossor Stentor Four, dating from 1927, was later issued as the Cossor 410P audio output valve. It has a μ of 8 and was designed for a load of 9,000 Ohms.
The balloon envelope is 44 mm in diameter and, excluding the B4 base pins, is 95 mm tall.
References: Datasheet, 1043 & 1040. Type Stentor Four was first introduced in 1927.

 

Pin Connections
B4
1
2
3
4
a
g1
f
f

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
4.0
0.1
120
-9
11.0
5,000
2.0
Updated November 26, 2012.
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