Vintage and modern production 7591A, 7868 and 6GM5 audio output tubes.
| Order no. | Tube type and description | Price each |
| 7591A.001 | 7591A G.E. full base | $55.00 |
| 7591A.002 | 7591A RCA full base | $55.00 |
| 7591A.003 | 7591A G.E. and RCA wafer base | $50.00 |
| 7591A.004 | 7591A Sylvania. | $50.00 |
| 7591A.005 | 7591A Russian | $35.00 |
| 7591A.006 | 7591A Other US brands | $55.00 |
| Order no. | Tube type and description | Price each |
| 7581A.001 | 7581A G.E. | $50.00 |
| 7581A.001 | 7581A RCA | $55.00 |
| 7581A.001 | 7581A Used US brands | $20.00 |
| Order no. | Tube type and description | Price each |
| 7868.001 | 7868 G.E. | $45.00 |
| 7868.001 | 7868 RCA | $45.00 |
| 7868.001 | 7868 Sylvania | $45.00 |