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RE: Antique Sound Lab 6550 Tubes - made by ?

At one time there were quite a few Chinese tube manufacturers. Most of their tubes never left Asia unless they were re-brands like these, much like they now do with electronics. These manufacturers would make anything you wanted for a price. So good luck figuring out who made them.
Later ASL tubes (once Divergent took over) were made by Shuguang, and have metal bases.
FYI - Valve Art are made by Shuguang to Valve Art's specifications. Usually very rugged tubes.

Dan Santoni

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  • RE: Antique Sound Lab 6550 Tubes - made by ? - Blackdog 16:45:54 05/27/20 (0)


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