| 6CG7/6FQ7 | Amperex | US$20.00/pc |
| 6922/E88CC | Amperex | US$19.50/pc |
| E88CC/6922 | Siemens | US$12.50/pc |
| ECC88/6DJ8 | Ultron | US$12.00/pc |
| ECC81/12AT7 | Brimar | US$20.00/pc |
| 12AT7WC | G. E. Jan | US$12.50/pc |
| 5963 Military 12AU7 | Philips | US$10.00/pc |
| ECC82/12AU7 | Telefunken by RFT | US$25.00/pc |
| 5751 | G.E. Jan | US$20.00/pc |
| 5687 | Sylvania | US$22.50/pc |
| 6U8A/ECF82 | Sylvania | US$12.50/pc |
| 6L6GC | Tube Art | US$10.00/pc |
| GZ32 | Tube Art | US$3.75/pc |
| PCC88/7DJ8 | Telefunken by Siemens | US$25.00/pc |