ValveWave 12AX7 Preamplifier for Hard Disk Recording
| Top Cover Removed |  |
| Back Connectors |  |
| Power Supply |  |
| Vent Hole |  |
| Front View |  |
| Close Up of Installed Unit |  |
| Breadboarding |  |
| Top Cover Removed | |
| Back Connectors | |
| Power Supply | |
| Vent Hole | |
| Front View | |
| Close Up of Installed Unit | |
| Breadboarding | |