Slovakia JJ ECC 802 and 803 tubes.

linnlingo I think you mean ECC83 which is the same as 12ax7 and ECC82 which is a 12au7. At least that's what the non SE version of your preamp uses. Very common tubes however my gear doesn't use either so no specific recs. I'm sure others will have some.

They  are drop in replacements for 12ax7's and 12au7's. I still think you can buy better tubes than JJ's for you preamp including some nice NOS tubes but it's your call of course.