PHOTO | MODEL NAME | MANUFACTURER | TYPE | CHANNELS | VIEWS |
| LL1 Signature | LAMM INDUSTRIES INC. USA | Tube | Stereo | 9374 |
| Model LL2.1 | LAMM INDUSTRIES INC. USA | Tube | Stereo | 8440 |
| VTSP-3 | Herron Audio USA | Tube | Stereo | 7522 |
| 865 Integrated Amplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 10361 |
| 2008 Phono Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 6204 |
| 2010 Isolated Balanced Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 7946 |
| 1012 DAC Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 6953 |
| 1010 Stereo Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 6962 |
| 810 Stereo Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 6013 |
| 2060 Class A Stereo Amplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 10730 |
| 2050 Class A Mono Amplifier | Boulder Amplifiers, Inc. USA | Solid | Monoblock | 5963 |
| 1060 Stereo Amplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 7465 |
| 860 Stereo Amplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 6137 |
| M-60 MkIII | Atma-Sphere Music Systems Inc. USA | Tube | Monoblock | 4320 |
| Presence Deluxe | First Sound, Inc. USA | Tube | Stereo | 3157 |
| 1050 Mono Amplifier | Boulder Amplifiers, Inc. USA | Solid | Monoblock | 7769 |
| 850 Mono Amplifier | Boulder Amplifiers, Inc. USA | Solid | Monoblock | 8506 |