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tubes for leben cs600

hi there.
i look for good tubes for my leben cs600 that connected to my devoe nines speakers .
i dont know alot on tubes i have now kt77 and kind of el34 tubes but they are in the end of them life. igot suggest to buy from jim mcshane and he give me this suggsted :

(1 quad) 6L6GC-STR Tung-Sol reissue, $87.50
(4) 6CS7 - 2 Sylvania & 2 Raytheon/Japan, $38.00/set
(1) 6CJ3 GE NOS USA made, $7.50
but when i try to invite he email me and say that only 2 6cs7 sylvania he can provide because he dont have in is stock 2 more c6s7. so i dont know what to do i most have new stock of all the tubes to my leben ,i wonder to buy from the company leben extacly what they put inside the leben but to order it is about 400$ to israel all the
tubes new, or to buy from jim mcshane the tubes that he have for 120$ besides the 2 6cs7 that he dont have in stock and he dont know if he will have it ,so maybe to buy the two that he miss from ebay bout i dont know what to buy from ebay very confused
please any suggestion about th tubes what you says my friends
thanks alot
bolero32

Showing 2 responses by arj

arj
68 posts
 
EL34 and 6l6GCs have pretty different sound signatures so it will be different as EL34 have a lot more warmer lusher sound (Generalising) and 6L6GCs much more bolder and wider across the range (Again Generalising)
for the price the Russian 6l6GC reflector equivalents (6n3c e) are great..they are not expensive and definitely better than the SED6l6GC i used in the past.

But for me..as has been mentioned by Notec, the KT120s are in a different league altogether . the 6cS7s, at least to me do have an impact but its minuscule in comparison and in my opinion, need be on ones agenda only after changing the power tubes.
arj
68 posts
 
the "original" in my case was Sovtek 6L6GC and any new tube was better !
With the KT-77 i would think your sound will be good and that unless you hear different ones , not be able to evaluate any different tubes.

Yes with the KT120 you cannot put the cover back on so that is out . if you are trying 6l6GC the 6n3ce is a far cheaper And better option. I am pretty confident this will be better than the GEnalex KT77 as well ..a s in my case i prefer the larger freq extension of the 6l6GC to the lushness of the KT77 (or EL 34) but individual tastes can vary hence cannot say how it will work for you
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