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CCOZGO40 28th October 2002 02:20 PM

Sylvania 2A3W (5930)
(2) NIB Sylvania 2A3W triodes.
$100.00 + shipping

phone 937 390 3579

commstech 31st October 2002 03:25 PM

i am puzzled by the designation 'W'.what does it represent? any pics to show?

fdegrove 3rd November 2002 12:44 PM


With tubes the W designator stand for "ruggedized".
So this tube is mechanically reinforced to make it less prone to shock and such.
These were often the types used by the military.

Some types also had designators such as WA,WB,WC indicating further improvements in this field.
e.g. 6080,6080WA,6080WB,6080WC.

Another designator often found on NOS tubes is JAN which stands for Joined Army and Navy.


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