vintage tube experts,i have a question?

TheAmpNerd

Member
Messages
1,056
Originally posted by bmf5150
is the jan phillips 12ax7wa the same as the jan sylvania 12ax7wa?thanks
stan
Take pics of the tubes and post them.
It is a 50/50 chance they are. But even
tubes of the SAME brand were made by
different manufacturers depending on
who was geared up to produce a certain
type.
 
S

saros141

Chances are they were made on the same tooling, but the Sylvania is older. Philips bought out Sylvania's Electonic Components Group around 1980.
 

Blue Strat

Member
Messages
30,066
Same internal construction therefore obviously manufactured with the same equipment.

As mentioned, Philips bought Sylvania's tube operations and contrinued producing the same designs on the same equipment under the Philips moniker.
 




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