- ****ociation (RTMA) 1953 –
Radio Electronics Television Manufacturers ****ociation (
RETMA) 1957 –
Electronic Industries ****ociation (EIA) 1997 –
Electronic Industries...
-
introduced in July 1936. American-made
tubes bear a
RETMA designation to
allow for easy cross-referencing. The
RETMA tube
designation does not
incorporate the purpose...
-
changed its name to Radio-Electronics-Television
Manufacturers ****ociation (
RETMA). It was then the
Electronic Industries ****ociation (EIA) from 1957 to 1998...
- built. Over many decades, as the
organization name
changed (RMA, RTMA,
RETMA, EIA) so was the name of the code.
Though known most
recently as EIA color...
-
Engineering Council, and was
responsible for ****igning and
coordinating RETMA tube
designations to
electron tubes (also
called valves). The type 6L6,...
-
until the 1960s. An
interchangeable North American type is the 6BQ5 (the
RETMA tube
designation name for the EL84). The EL84 was
developed to eliminate...
-
Knightsbridge and El Adem boxes,
sited to
block tracks and junctions. The box at
Retma was
finished just
before the Axis
offensive but work on the
Point 171 and...
-
infamous for
their failure, and therefore,
often needed replacing.
Other RETMA triode/pentode
combinations with a 6-volts
heater include: 6F7, 6P7, 6U8...
- a
large family of dual-triode
vacuum tubes which share the same
pinout (
RETMA 9A). 12AU7 is also
known in
Europe under its Mullard–Philips tube designation...
-
permissible voltage between heater and
cathode and
other parameters. The
American RETMA tube
designation number for this tube is 6CA7. The USSR
analog was 6P27S...
