Tube ECC83-12AX7-5751-12AY7
double triode, noval tube: ECC83, 12AX7A, 7025, 5751, 12AY7, Mullard CV4004, CV759, CV492, 6N4, Genalex B339, 6L13, M8137, E83CC, ECC803s, Telefunken ECC808, E283CC, 7729 und 12BZ7
Tube ECC82-12AU7-6189-5814
audio tube 12AU7A, ECC 82, 6189W Tung-Sol, JAN-5814A GE, 5963, B329, 13D8, CV4003, M8136, B749 Genalex, E82CC, ECC802s Telefunken
Tube ECC81-12AT7-6201-CV4024
noval tube ECC81, 12AT7, E81CC Siemens, ECC801s Telefunken, CV455, 7728 USA, M8162 british valve, CV4024 military grade
Tube E88CC-6922-6N23-6DJ8-6N1
tube types E88CC, 6922, 6DJ8, 6N23P, 6N1P, ECC88, CCa, 6Н23П-ЕВ, CV2492, 6H1n, 6H23n-EB, 6H23n-EV, 6N11
Tube 6SN7-6N8S-6H8C-VT-231
driver tubes 6SN7GT, 6N8S, 6H8C, VT231, CV278, 6180, 6D2, CV1988, 5692, B65, 6N8J, ECC32
Tube 6SL7GT-6SU7-ECC35-CV1985
input tube 6SL7GT, 6SU7, ECC35, CV1985, VT-229, 6113, 5691
Tube ECC99-12BH7
tube types ECC99, 12BH7A, 7032, 6913
Tube 6N3-5670-2C51
valves-tubes 5670W, 2C51, 6N3P, 6Н3П-Е, 6H3n, 6CC42, 396A, CV2831
other double triodes
other double triodes