6SL7/ECC35
	Equivalent ECC35, 6113 Similar type  6SU7, 33S29, 5691, VT229 With different Vf   CV number 6SL7 = CV1984 6SL7GT = CV569, CV1985, CV3705 6SL7WGT = CV3985 Swedish Mil.nr. 6SL7 = M2463-230 6SL7GT = M2463-116, M2463-255C, M2463-256