Description
The EM80 was made by by Tungsram though the design is clearly a Mullard one. Its use is for AM and FM radios.
The EM81 was produced in 1956 and its a side viewing magic eye.
The EM84 tuning indicator was mainly made for FM radios sets with the characteristic phosphor strip.
The EM85 has the same characteristics of EM81.
The EM87 is a Voltage-level Indicator for Tape Recorders.
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