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25L6GT

Sensibly equivalent to:
CV553 KT32
    
Extras ▼

 

The 25L6GT is a cousin of the very popular 6L6. It is designed for use in single ended audio stages within a 300 mA heater chain environment. As a single ended audio amplifier it can produce 4.3 Watts.
The wide glass envelope is 27 mm in diameter and, excluding the IO base pins, is 68 mm tall.
References: Data-sheet, 1040 & 1043. Type 25L6GT was first introduced in 1937. See also 1937 adverts.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
m
h
a
g2
g1
nc
h
k

 

Absolute Maximum Operating Conditions
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Pout
D
25
0.3
200
110
-8
50
2
30,000
9.5
4.3W
10%
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 06, 2022.
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