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EL90

Sensibly equivalent to:
6AQ5 BPM04 CV1862 N727
    
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The 6AQ5 / EL90 is a small audio output beam tetrode valve capable of 4.5 Watts in a single ended configuration.
This exhibit is a British made Mullard valve. It carries the Type designations of both 6AQ5 and EL90.
The anode face view. The bright beam plate sits just inside the anode.
The thin glass tube envelope is 18 mm in diameter and excluding the B7G base pins, is 60 mm long.
References: Datasheet & 1040.

 

Pin Connections
B7G
1
2
3
4
5
6
7
g1
k,bp
h
h
a
g2
g1

 

Absolute Maximum Operating Conditions
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
gm
Pout
6.3
0.45
250
250
-12.5
45
4.1
4.5W
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 29, 2016.
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