Buy 12ax7 tube

Hi im searching for best vacuum tube in low distortion and accurate sound up to 40$/each
For my vincent 226 mk2

I can buy raytheons black plate and rca black plate and genalex gold lion are they any good or you have some more options?!

Thanks in advance

https://drive.google.com/file/d/104Hkj3uNChEvzm4psy1Kgg3-S6Bi4XKW/view?usp=drivesdk

https://drive.google.com/file/d/1tgd21OgSaQfo5yaozCmw4VJHWt54CqHl/view?usp=drivesdk

https://drive.google.com/file/d/1W7Iu-JxZWDV3KGjb0okOrt5wD7AS-T1g/view?usp=drivesdk