RAY TUBES SELECT 5U4

These tubes will kill the holy grails of NOS…!

These tubes are just as good as the NOS tubes...
Warranty: All our tubes come with a 12-month warranty against manufacturing defects.
Philosophy: Reliable Vacuum Tubes, Without the Hassle!
Packaging: it keeps your tubes safe ,feels good in your hands and looks good on your shelf.
Noise floor: twice as long as most manufacturers creating the vacuum inside tubes: notably low noise floor!
Modern Quality Control: including expert listening sessions to make sure there's no "almost" about it.

For more info's:
https://raytubes.audio/products/select-5u4