2, 6

121 12SR7
122 12SQ7
128 12SJ7
123 12SK7
124 12SG7
11 1R5,DK91
12 1H34
11 1S5,DAF91,1AF34
11 1T4,DF91,DF961
12 1F34
13 1G6-GT
12 CK507AX
112 DC96
11 1Z1
17 DY30,1B3/8016
22 LG16
21 3S4,DL92
22 3S4,DL92
24 2A3
22 2X2/879
53 5U4G
54 5Z4G
59 1502
610 6SA7
62 6BE6,6H31,EK90
67 6SA7
68 6A8
61 6SR7
62 6SQ7
63 EABC80
67 6Q7
63 559
64 9004
66 6D1A
65 6E5
61 CK5702,5702
61 RCA-954
61 6AK5,6F32,EF95
62 CK5639
62 6AS6,6F33
63 6SH7
63 6AG5
64 6AC7,6F36
64 6AU6,EF94
66 Z-62-D
67 6J7
68 6SJ7
69 E180F
61 ECH81,6AJ8
61 RCA-956,956
61 RCA-9003,9003
63 6SK7
64 6SG7
64 6BA6,6F31,EF93
67 6K7
69 6SK7
67 6L7
614 ECC84
615 6J6,ECC91,6CC31
63 6FC42,2C51
64 12AY7
65 6AS7
67 6N7-GT
68 6SN7-GT