| Speakers for Heavy Metal | zamdrang | 4303 | 19 | |
| Tube preamp for Pass Labs x150.5 Amp | oblgny | 4359 | 10 | |
| Upgradying Tube Preamp | jmcgrogan2 | 4615 | 15 | |
| Metrum Hex vs Metrum Octave | mitch2 | 5522 | 4 | |
| Upgrading Odyssey audio Khartago | linaeum66 | 3750 | 4 | |
| Power Cables diminishing returns | jafant | 18914 | 77 | |
| PS audio Perfect Wave DAC MKII or Metrum Octave | knghifi | 7219 | 10 | |
| Solid state amp around 2000-2500 used or new | edwyun | 8082 | 26 | |
| rewiring preamp will it work | peter_s | 3304 | 14 | |
| Audiophilleo vs Empirical audio offramp | phusis | 24134 | 13 | |
| Uprgrading my Metrum Octave DAC | lewinskih01 | 19273 | 23 | |
| Metrum octave vs new Rega DAC vs Eastern electric | cayin55t | 7671 | 11 | |
| Tube preamp | mechans | 3938 | 7 | |
| Best floorstanding speakers under $2000 | crn3371 | 15360 | 21 | |
| best headphone amp for Denon AH-D7000s | | 1448 | 0 | |
