6SL7 SRPP,300B single ended, OTP=Magnequest RS-050 x2, PT&Chork=Hamond x2/each,300B=Full Music x2,6SL7=RCA, 5U4G=Sylvania x2, Power Filiter was changed to Black Gate(47uFx2)x2, designed and made by Japanese hand crafter owner of VALVE WORLD Japan