Vintage and modern production 7591A, 7868 and 6GM5 audio output tubes.
| Order no. | Tube type and description | Price each |
| 759.001 | 7591A G.E. full base | $55.00 |
| 759.002 | 7591A RCA full base | $55.00 |
| 759.003 | 7591A G.E. and RCA wafer base | $50.00 |
| Order no. | 7868 Tubes | Price each |
| 786.001 | 7868 G.E. | $45.00 |
| 786.001 | 7868 RCA | $45.00 |
| 786.001 | 7868 Sylvania | $45.00 |
| Order no. | 6GM5 Tubes | Price each |
| 6GM.001 | 6GM5 U.S. manufacture 6GM5 tubes from G.E. and RCA | $45.00 |