5AR4 Amperex
6AQ5 General Electric
6AQ5 Marconi
6AQ5 Mazda
6AQ5 RCA
6AQ5 Tung-Sol
6AQ5A General Electric
6BL7GTA General Electric
6BL7GT RCA
6BL7GTA TungSol
6EM7 RCA
6EM7 TungSol
6L6GC JJ
6L6GC Mazda
6L6GC Svetlana
6N23P Russe
6P6S Russian
6SL7 General Electric
6SN7 General Electric
6V6EH Electro Harmonix
6V6GTA General Electric
6V6GT Radiotron
6V6GT General Electric
12AT7 General Electric
12AT7 Raytheon
12AT7 RCA
12AU7 General Electric
12AU7 Marconi
12AU7 RCA
12AU7 Tung-Sol
12AX7 General Electric
12AX7 Mullard
12AX7 RCA
12AX7 Sylvania
12AY7 General Electric
12AY7 RCA
12BH7 General Electric
12DW7 Sylvania
6005 General Electric
6922 Raytheon
6922 RCA
7591 JJ
7591 TungSol
E88CC JJ
ECC81 JJ
ECC81 Philips
ECC82 EI
ECC82 JJ
ECC82 Philips
ECC82 RFT
ECC83 JJ
ECC83 Mazda
ECC83 Philips
ECC83 RFT
ECC832 JJ
ECC88 Philips
ECC99 JJ
EF86 Philips
EF86 Philips
EF86 Mazda
EF86 Svetlana
EL84 JJ
EL84 Philips
EL84 Svetlana
EL90 Lorenz
EL95 Philips
GZ34 JJ
GZ34 Philips
KT90
6AQ5 General Electric
6AQ5 Marconi
6AQ5 Mazda
6AQ5 RCA
6AQ5 Tung-Sol
6AQ5A General Electric
6BL7GTA General Electric
6BL7GT RCA
6BL7GTA TungSol
6EM7 RCA
6EM7 TungSol
6L6GC JJ
6L6GC Mazda
6L6GC Svetlana
6N23P Russe
6P6S Russian
6SL7 General Electric
6SN7 General Electric
6V6EH Electro Harmonix
6V6GTA General Electric
6V6GT Radiotron
6V6GT General Electric
12AT7 General Electric
12AT7 Raytheon
12AT7 RCA
12AU7 General Electric
12AU7 Marconi
12AU7 RCA
12AU7 Tung-Sol
12AX7 General Electric
12AX7 Mullard
12AX7 RCA
12AX7 Sylvania
12AY7 General Electric
12AY7 RCA
12BH7 General Electric
12DW7 Sylvania
6005 General Electric
6922 Raytheon
6922 RCA
7591 JJ
7591 TungSol
E88CC JJ
ECC81 JJ
ECC81 Philips
ECC82 EI
ECC82 JJ
ECC82 Philips
ECC82 RFT
ECC83 JJ
ECC83 Mazda
ECC83 Philips
ECC83 RFT
ECC832 JJ
ECC88 Philips
ECC99 JJ
EF86 Philips
EF86 Philips
EF86 Mazda
EF86 Svetlana
EL84 JJ
EL84 Philips
EL84 Svetlana
EL90 Lorenz
EL95 Philips
GZ34 JJ
GZ34 Philips
KT90