| Volume and Dynamics It's not a question | ivan_nosnibor | 2006 | 1 | |
| Can Interconnects be converted to speaker cables | almarg | 3765 | 12 | |
| Favorite Tube Combinations | jax2 | 7318 | 14 | |
| Ei 12AX7 Silver Plate vs Black Plate | | 2361 | 0 | |
| Mullard 12AX7 re-issue Cryo vs Non Cryo | roblanger | 9166 | 10 | |
| Tube Life: 6SN7, 6DJ8, 12AT7 et al. | atmasphere | 5953 | 10 | |
| Has anyone heard the Yamaha NS 2000 | decca4 | 19149 | 4 | |
| Tube Life: 6SL7; 6SN7, 12AX7, 12AT7, 6DJ8 et al | sidssp | 6203 | 7 | |
| Siemens CCa: Gray and Silver riser differences | tvad | 4025 | 6 | |
| Cayin A88T 6550 KT88 Advice Part II | blmcycle | 6143 | 4 | |
| CD Scratch Remover | thommas | 3567 | 4 | |
| Quality universal player that reads scratched DVDs | dedicatedaudio | 2010 | 1 | |
| Tube vintage: Amperex, Siemens, Phillips | capt369 | 3050 | 1 | |
| Tube Characterization: 6dj8, 6922, 7308, E188CC | anacrusis | 5381 | 4 | |
| Tube Characterization: 6DJ8, 6922, 7308 Part II | sjackso1 | 34097 | 34 | |
