Has anyone tried these? I bought 5 and am using them all, in my phono stage, preamp, and right now experimenting with using one in my head amp. They have taken the place of very expensive Sylvania gold brand/grey plate 5751's. These are some seriously good tubes. Without judging them based on the price ($4 a tube off e-bay) what I am hearing is comparable to the best NOS tubes I have heard, such as Amperex, Mullard, and Sylvania. There is a slight metallic edge, or glare, but I find the tubes to be detailed, with huge soundstage and airy, very low noise, and without any hints of sounding stuffy. I admit that the Amperex BB 12AX7 I have has even more soundstage, and the Sylvanias are tonally very rich, but these seem to do everything just right and I'm leaving them in my amps for now! I have tried other new 12AX7's, such as the EH and JJ ECC803S, but there is no comparison.
It would be nice to eliminate the glare, but I am convinced these are good tubes and am going to leave them in for now.
It would be nice to eliminate the glare, but I am convinced these are good tubes and am going to leave them in for now.
