Popular Preamp Tubes 12AX7 / ECC83 5751 12AT7 / ECC81 12AU7 / ECC82 6DJ8 / ECC88 / 6922 6SL7 6SN7 12BH7 12AY7 / 6072 6SJ7 / 5693 6N3P / 2C51 / WE396A 12AV7 / 5965 / 7062 6CG7 / 6FQ7 6BM8 / 6GW8 / 14GW8 Other Preamp Tubes Sub-miniature Tubes Popular Power Tubes 6L6 / 5881 EL34 / 6CA7 / KT77 KT88 / KT90 / KT120 6550 6V6 KT66 EL84 / 6BQ5 2A3 / 300B / SV811 / SV572 7591 / 7868 6AS7 / 6080 / 6H13C More