Sylvania 6550 USA ANOS

Sylvania 6550 USA ANOS
$ 69.95

Sylvania 6550's, barely used and test as new. These are rather rare birds, we have 2 x matched pairs and a single. 

You may also like

penta-labs-kt88sc
Penta KT88SC
The Penta KT88SC are from the Chinese Shuguang factory and are...
$ 69.95
Sold out
Penta Labs KT88-98
Penta Labs KT88-98
Brand new Penta Labs KT88-98's, from the old Shuguang factory....
$ 119.90
More details
Ruby KT88 STR
Ruby KT88-STR
This tube is also the equivalent of a Sino Chinese KT88, manuf...
From $ 56.95
More details
Ruby 6550 STR
Ruby 6550A-STR
Ruby 6550A-STR. This Ruby tube is a Sino Chinese Shuguang cop...
From $ 56.95
More details