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 Groove Tubes EL34LS vs SED
the end of their life, although they test fine in a tube...dont know if the lack of bottom en...
 Power Tubes for ARC VT100 MkI. Genalex or SED?
Hi I need to replace the power tubes in my...Currently have the SED 6550C....it is sonically ...
 the KT150 in my Octave V110 but I have tried the SED...tube taking a nose dive....He said that ...
 There are no new  SED, Winged =C=,  Svetlana tubes...The St Petersburg plant burned down, years...
 Cryo "Black Sable" quads at Tube Depot.......Same tube just a touch different sound than the st...
 I re-tubed the KT88 power tubes with SED Winged C's...While new ...
 There are no new SED, Winged =C=, Svetlana tubes in production..../span>, years ago (a...
 How about SED =C= KT88?...It's said that this tube is manufactured in the same...How
 Your observation about SED's vs Mullards IMHO falls...Stuff (including tubes) that have a 'full...
 are the 'original' brand of Svetlana, now known as SED...The Svetlana name was bought and the new Svetlana
 try the Tung-So in my Ref 3 and went back to the SED...Tungs were better but the Ref 3 seems voiced for the
 The stock tubes, which are very good, are SEDs....Try Jim McShane or The
 For deep bass, linearity and clarity consider the SED...In my PL3/5 combo I preferred them over SED
 Looking for help retubing Cary V12R mono blocks
I've been running SED C el34s in my V12's for almost...hours were not too crazy) and a number...
 Svetlana SED KT88's....The SED tubes are much more dynamic overa...
 Looking for help retubing Cary V12R mono blocks
I've been running SED C el34s in my V12's for almost...hours were not too crazy) and a number...
 The printing on these tubes may be suspect, but the...only partially mimicked the construction of the real
 can be a little bright depending on equipment.The SED...most audiophiles over the New Sensor Svetlana's.The
 time I got it I already had many different output tubes...Which tubes came with the V70se....
 I now decided on the SED Winged C tubes.