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6059

Sensibly equivalent to:
CV4006
    
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The 6059 is a special quality version of the type 6BR7. The valve was carefully designed for low internal noise and, especially, for low internal hum pick-up from the 6.3V AC heater, thus making it unnecessary to provide a DC source of heater current.
The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 45 mm tall.
Reference: datasheet & 1040. Type 6059 was first introduced in 1951.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
s
g1
k
h
h
s
a
g2
g3

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.15
250
100
-3
2.1
0.6
2.3M
1.25
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated September 23, 2018.
shape:thin.glass.tube construction:all.glass type:pentode age:1950.1960 base:b9a heater:6.3v pins:9 pin:1.s pin:2.g1 pin:3.k pin:4.h pin:5.h pin:6.s pin:7.a pin:8.g2 pin:9.g3
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