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How to identify tube amp

I just received a pair of mono blocks that don’t have any branding or identification.  It didn’t come with tubes so I’m not sure what tubes to buy for it!  How do I identify who manufactured the amp and/or figure out what tubes to get for it?
128x128surfersf
surfersf's avatar
surfersf OP
8 posts
 
My uncle left them to me.  Unfortunately he's not around to help...
jea48
4,446 posts
 
Take a picture of the back of the amp and one of the bottom, with the bottom cover removed.


.
tom_hankins
928 posts
 
You may need to use a variac to start them up??
Also, maybe some pictures of them set up from back in the day?
Post removed 
firstnot's avatar
firstnot
248 posts
 
This surfer dude is messing with you boys. Cryptic photos that
don't show the whole product. Did these mono blocks arrive by carrier pigeon? 
-Skeptic
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