Sensibly equivalent¶ to:
The EM34 is a dual shadow magic eye tuning indicator and was originally designed by Mullard/Philips.
The EM34 is suited to both receiver tuning indication and test equipment null indications. The grid voltage change is 0 - 5 volts and 0 - 16 volts. The display is viewed end on.
The wide glass envelope is 26 mm in diameter and, excluding the IO base pins is 75 mm tall.
References: Datasheet, 1040 & 3002. Type EM34 was first introduced in 1946.
Absolute Maximum Operating Conditions¶
Updated January 17, 2013. shape:wide.glass.tube construction:pinch type:tuning.indicator age:1940.1950 base:io heater:6.3v pins:8 pin:1.- pin:2.h pin:3.a(1) pin:4.g1 pin:5.t pin:6.a(2) pin:7.h pin:8.k