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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

Showing 1 response by desmondjim

desmondjim
67 posts
 
I am using Sylvania Gold Brand 6201 in the phono section of my VTL TL 5.5 with excellent results. I also tried Mullard CV4024 with very good results. I currently use the Mullards in my VTL ST150. Between the these two tubes I liked the Sylvania just a little better. The Sylvaias have a more pronounced but at the same time better controlled bass than the Mullards. Other than that I like them equally well.
Both were much better than the stock tubes.

Cheers,
Jim
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