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Osram

B65


Valve Donation by Peter Bates (GM4BYF)
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Sensibly equivalent to:- 13D2 - 6SN7GT - CV1988 - ECC32
 
See also:
B65 Advert, December 1948 - Valves for Williamson Amplifier, 1950 - The Williamson Amplifier
 
This exhibit was last updated on 31 January 2013

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The B65 is an audio double triode with a 6.3 Volt heater. The B36 is the same valve except for the 12.6 volt heater.
The Osram paper label.
The wide glass tube envelope is 28 mm in diameter, and excluding the IO base pins, is 71 mm tall.
References: Datasheet & 1040. Type B65 was first introduced in 1948.
 
Pin Connections
IO
1
2
3
4
5
6
7
8
g1(2)
a(2)
k(2)
g1(1)
a(1)
k(1)
h
h
 
Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.8
250
-0
3
7.7k
1.6

Thanks to Frank Philipse for supplying the above PDF datasheet