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Best 6550's for ARC VT-100 MK3 amp- SED; Tungsol??

Just picked up the amp- I believe the stock ones are in there now- Sovteks?? Good bass; dynamics; perhaps ever so slightly 'glassy' on top at times- they could be older- not sure...

I have heard the Svetlana (SED) 'Winged-C' are good? Apparently, it's difficult to know if you really are getting SED's though, and not the Sovtek equivalent...

Also- what about the Tungsol 6550 reissue- how would they compare to above?
sutts

Showing 1 response by desmondjim

desmondjim
67 posts
 
I have used SED and Tung Sol 6550 in my VTL ST150 and I found the Tung Sols to be more to my liking. The Tung Sols had a firmer bottom end in my system. The SED sound was more open and airy than the Tung Sols but not by much. I felt that it was a good trade off and have stuck with the Tung Sols. I do want to try the Shuguang KT88-98 but that will have to wait a few years untill the Tung Sols wear out. Rolling output tubes gets expensive!

Cheers,
Jim
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