| Story | Kalamazoo Model 1 Tube Amp | imre |
| Image | Gregory Apollo 800 Front Panel | imre |
| Image | Kalamazoo Model 1 (B) Outside | admin |
| Image | Kalamazoo Model 1 (B) Inside | admin |
| Image | Gregory Apollo 800 side 2 | admin |
| Image | Gregory Apollo 800 front | admin |
| Image | Gregory Apollo 800 insides before 1 | admin |
| Image | Gregory Apollo 800 side 1 | admin |
| Image | Gregory Apollo 800 back before | admin |
| Image | Gregory Apollo 800 back | admin |
| Image | Gregory Apollo 800 insides before 2 | admin |
| Image | Gregory Apollo 800 side 3 | admin |
| Image | Gregory Apollo 800 back after fixes | admin |
| Image | Gregory Apollo 800 back after fixes 2 | admin |
| Image | Gregory Apollo 800 side 4 | admin |
| Image | Gregory Apollo 800 schematic | admin |
| Story | Gregory Apollo 800 | imre |
| Story | Single-Ended (Class A) 6L6 Guitar Amp | imre |
| Story | “Pong” the Game | imre |
| Story | Lab Setup Circa 2007 | imre |
| Image | Decca Schematic | admin |
| Image | Winston Schematic | admin |
| Story | Hughes & Kettner Vortex Guitar Amp Head, 80 Watts | imre |
| Image | Vortex Front | admin |
| Story | My Second Patent - #7,504,979 - An Low Power DAC | imre |
