 | 12AV6 - Diode, Dual - Triode | $4.50 |
 | 12AY7 - Triode, Dual, RCA Brand | $36.50 Out of Stock More Details |
| 12B4A - Triode, Low MU | $6.70 |
 | 12AX7A - Triode, Dual, RCA | $56.10 Out of Stock More Details |
 | 12AU7A - Triode, Dual, RCA Brand | $32.95 Out of Stock More Details |
 | 12AX7/ECC83 - Triode - Dual, Mullard | $131.95 |
| 12AU7A - Triode, Dual, RCA Brand, Clear Top | $43.90 Out of Stock More Details |
| 6201/12AT7WA - Triode, Dual, HI-MU | $10.90 Out of Stock More Details |
