PHOTO | MODEL NAME | MANUFACTURER | TYPE | CHANNELS | VIEWS |
| LL1 Signature | LAMM INDUSTRIES INC. USA | Tube | Stereo | 9373 |
| Model LL2.1 | LAMM INDUSTRIES INC. USA | Tube | Stereo | 8439 |
| VTSP-3 | Herron Audio USA | Tube | Stereo | 7519 |
| 865 Integrated Amplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 10359 |
| 2008 Phono Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 6202 |
| 2010 Isolated Balanced Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 7945 |
| 1012 DAC Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 6952 |
| 1010 Stereo Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 6961 |
| 810 Stereo Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 6012 |
| 2060 Class A Stereo Amplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 10728 |
| 2050 Class A Mono Amplifier | Boulder Amplifiers, Inc. USA | Solid | Monoblock | 5961 |
| 1060 Stereo Amplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 7464 |
| 860 Stereo Amplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 6136 |
| M-60 MkIII | Atma-Sphere Music Systems Inc. USA | Tube | Monoblock | 4319 |
| Presence Deluxe | First Sound, Inc. USA | Tube | Stereo | 3156 |
| 1050 Mono Amplifier | Boulder Amplifiers, Inc. USA | Solid | Monoblock | 7767 |
| 850 Mono Amplifier | Boulder Amplifiers, Inc. USA | Solid | Monoblock | 8503 |