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12AT7 tubes

Hi audiogoners,
I need to replace one tube in my VTL phono stage, it marks 12AT7/ECC81. Is it safe to use tubes brands other than JJ tubes VTL recommends, like mullard or telefunken one.It looks like there are different version of 12AT7 in Mullard.Can someone tell the difference for each version.and your recommendations.Thanks for any information.KB
easytune
thorman
1,262 posts
 
I guess I'll throw in another 12at7,which I liked better in my sytem than the mentioned tubes by Albert. I tried the Mullards and both the Telefunkens ( ecc81 and 801s ) and prefered the Amperex 12at7 Bugle boy ( holland or france ).I found that the Bugle Boys are better balanced all around.Of course this is in my system.. Good luck
kotta's avatar
kotta
649 posts
 
The RCA Black plates are worth considering as well. Eventually I preferred the Telefunken sound. Good Luck! Bill.
mrtennis
3,295 posts
 
i am using rca black plate 12at7 with my vtl deluxe 120 amps.

another suggestion is to use tube dampers on the 12at7. i use EAT tube dampers.
radman707
29 posts
 
RCA Black Plate
rotarius
431 posts
 
As an alternative to the expensive telefunken tubes, you can try the Siemens 12at7, I liked them when I use to have an AVA preamp.
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