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Tube Question is 5687 tube same as 5687WA??

Hey Ho tubeheads!

I just want to make sure that a 5687WA tube can be used to replace a 5687 tube in my SF Power 2 amp. What does the 'WA' mean anyway?

Thanks a bunch!
equinox

Showing 1 response by equinox

equinox OP
16 posts
 

oh...I forgot to mention that the 5687 is a Phillips US tube and the 5687WA is a Raytheon tube.

Thanks Herman & Elevick for the response!
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