Valve Gallery -
Tuning Indicators (2)
Valves: Y63, 6U5,
|Shown above is a tuning indicator marked as
Brimar on the base. However the shape of the Y63 clearly indicates
that it is of Marconi Osram manufacture. First available about 1937,
and enjoyed a long production life right through the 1940s and
beyond. International Octal (I.O.) base with 6.3v heater 120mm
||Shown above is a Am-Brit 6U5, though marked
Brimar again. 6.3v heater with I.O. base approx 112mm height.
|Shown above is a Sylvania 6G5G tuning indicator
with UX6 base. This device would have been used in American based
equipment. 6.3v heater approx 118mm height.
||Shown above is a Mullard EM1. This magic
eye was the replacement for the TV4 from 1936, and was introduced in
1938. Utilises P Type side contact base with 6.3v
heater. Height of 82mm.
Continue to the next Tuning
Indicators gallery page
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