Hello.
My name is Nikolay and I from Ukraine.
I am the maker of tube amps on EL34, 6P45S, 807 including with mid transformers , A, AB-classes ; all transformers have a good parameters with 17Hz to 43Khz -3db without any feedbacks wich kill the sound;and acoustic systems with sensitivity speacers with old tipes mid-open nice wood boxes, this acoustics from 10 and up to 40Watts play all music nuanses because thay hites freely.My price have other kind category and I think that will be interesting for you.
My e-mail naf2003@ukr.net
