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807

Sensibly equivalent to:
5B/250A ATS25A ATS25 CV124 CV1060 CV1364 CV1374 CV1572 QV05-25 RK39 VT-100 VT60 VT60A
See also:
Beam Tetrodes and the 807 - The Williamson Amplifier - CV1060 short entry
    
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The 807 is an HF transmitting valve developed from the 6L6G audio valve by RCA in America around 1937. In addition to widespread use at RF the 807 was used extensively for audio both as a modulator and as the output stage of audio amplifiers.
The parameters given are for single ended use. When used in a class AB1 as a push pull pair with 600 Volts on the anode an output power of 65 Watts was normal.This exhibit is from Cossor and has a ceramic base and so was suitable for use in damp environments such as airborne transmitters.
The 807 construction is distinctive wherever it was made with the elliptical screen between the pinch and the lower mica.
The classic envelope is 49 mm in diameter, and excluding the UX5 base pins is 130 mm tall.
References: Datasheet & 1040. Type 807 was first introduced in 1938.

 

Pin Connections
UX5
1
2
3
4
5
tc
h
g2
g1
k
h
a

 

Absolute Maximum Operating Conditions
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pout
6.3
0.9
300
250
-14
83
8
20k
6.5
6.7W

 

Absolute Maximum Operating Conditions
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
mAg
Pdriv
Pdiss
Pout
freq
f.max
6.3
0.9
600
250
-45
100
7
3.5
0.2W
25W
40W
60
125
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated February 03, 2017.
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