@Ciggavelli --- So, it suddenly occurred to me that you never gave us a follow-up report on your date, wherein you took that poor girl to a freaking SWANS show. Because honestly, I'm struggling to think of a more mood-killing, depressive (not in a good way) event to attend with a date than a...

My friend in Hungary has a small side business, creating bespoke adapters for lots of different tube types. He does this for fun with his partner, as he has a very good day job, he is just a serious audio head and his partner is a retired, incredible tube expert, with an encyclopedic knowledge...

Black & White photo filter seemed appropriate, since these are both 1942 vintage, Valvo G2504 mesh plate in front, and Valvo G2504 solid plate in back.

adapters!

EDIT: yes, RK were limited production for only a couple years. I doubt they'll ever be produced again. RK have the larger, squarish bottle, KR regular, the small roundish bottle. 242 comes in RK and regular KR versions. Both are good, with some advocating one or the other. I own both and if...

RK242 + RK5U4G is a great combo, particularly if you don't want to mess with adapters. For output tubes that don't require adapters, RK242 is, for sure, my favorite.