I like to now something about tubes.
I whant to upgrade me tube from the Aphex-230.
The choice can type of tube ECC801S.
1 Telefunken
2 Mullard
3 Amperex
4 Siemens
5 Philips
And lot more of tubes.
But is there some information about users the use essb tubes in there own equipment and let me now what you are using and mabye you can recommend some type of tube.