Apos

Service was nice , order extremenly easy to set , selection offer me diferent options to buy.

Apos is highly recommended, with rapid shipping, careful packing, and excellent prices.

Bliss!

These Ray Select 12AU7s work great in the Gremlin. Highly recommended

I have a Luxman MQ—38uc-se amp that came with Gold Lion KT-88s. I’ve had this as my reference system for a few years but was never truly satisfied with the sound. One tube started distorting so I ordered a quad of Ray Tubes Reserve KT-88s. What an incredible difference they made. Now I’m 100% blown away by the sound. Much more holographic, detailed yet rich luxurious