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A2134

Sensibly equivalent to:
CV2179 CV4062 CV4065
See also:
Series Pass Valves - Series Stabiliser Valves Advert - N78 and N37 et al
    
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The A2134 pentode is designated as an audio power valve and series pass valve for stabilised power supplies. The CV4062 is a special quality version and the CV4065 has flying leads.
In class AB1 a pair of valves in push pull will deliver 13.3 Watts. The input needs 30 Volts peak to peak and the anode load requirement is 7,500 Ohms.
In Class A, triode connected, the valve will generate 2.6W at 1.4% distortion.
Lorenz is a German company that was taken over by the American ITT corporation.
The side view gives few details of the construction.
The control grid is wound on copper supports and has heat radiating fins attached at the top.
The thin glass tube envelope is 18 mm in diameter and, excluding the B7G base pins, is 63 mm tall.
References: Data-sheet & 1040.

 

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

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
mAa
mAs
Pout
D
6.3
0.635
250
165
40
12
2.3W
4.5%
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 21, 2026.
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