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12U5G

 
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The 12U5G is an American Magic Eye tuning indicator design and its construction follows the normal pattern. The electrode assembly is mounted centrally in the envelope and the display is viewed through the dome.
The vertical stack: pinch, triode & display.
The amplifier triode with the anode connected to the deflector.
The display bowl.
The wide glass tube envelope is 28 mm in diameter and, excluding the UX6 base pins, is 88 mm tall.
References: Data-sheet, 1043 & 1040.

 

Pin Connections
UX6
1
2
3
4
5
6
h
a
g1
t
k
h

 

Absolute Maximum Operating Conditions
CRT
Vh
Ah
Va
mAa
12.6
0.15
250
4.0
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated July 28, 2020.
shape:wide.glass.tube construction:pinch type:tuning.indicator age:1930.1940 base:ux6 heater:12.6v pins:6 pin:1.h pin:2.a pin:3.g1 pin:4.t pin:5.k pin:6.h
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