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5814A

 
    
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The 5814A is a medium μ double triode closely related to the 12AU7 but made to a mil spec especially for electro insulation.
Current information gives the valve as now being made by Philips ECG in the USA.
The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 47 mm tall.
Reference: Datasheet. Type 5814A was first introduced in 1954.

 

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)
hct

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
gm
6.3
0.3
250
-8.5
10.5
2.2
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 27, 2013.
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