“They made my amp sound lifeless. Someone once used the term, “sounds like a cardboard box”, that’s what comes to mind.” Read
ShuGuang/Ruby 12au7 Gray Plates
2
Mullard 12ax7 Short Plates
“The ‘holy grail’ of NOS preamp tubes. I’d never heard one of these before, so I was interested to see what all the fuss was about, and I wasn’t disappointed. This tube gave a very warm and open clean tone, which was also very harmonically rich, with a lot of very nice ‘chimey’ overtones. Plenty of headroom to be had here. …” Read
Sylvania CHS 5963 Gray Plates
Ei 12ax7 Long Gray Plates
CBS-Hytron 5814A Black Plates
Sylvania JHS 12at7 Gray Plates 3 mica
Mullard 12au7 Long Plates []-getter
” These are incredible tubes with a fine soundstage, clean top end with a touch of midrange warmth.” Read
Raytheon JAN 6080
Svetlana 6AS7 (6H13C) Winged C
Raytheon 5751 Black Plates, Windmill
“I do believe I’m in love. The Raytheon black plate 3 mice (1961)
is truly wonderful. I do like it better even than a GE BP 3-mica (1957).
clarity, dynamics, bass. yum.”
” Sweet and smooth Raytheon 5751 tubes with the rare four bladed windmill shape top getter. Rich and smooth tone with quiet background.” Read