PHOTO | MODEL NAME | MANUFACTURER | TYPE | CHANNELS | VIEWS |
| LL1 Signature | LAMM INDUSTRIES INC. USA | Tube | Stereo | 9343 |
| Model LL2.1 | LAMM INDUSTRIES INC. USA | Tube | Stereo | 8412 |
| VTSP-3 | Herron Audio USA | Tube | Stereo | 7501 |
| 865 Integrated Amplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 10339 |
| 2008 Phono Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 6188 |
| 2010 Isolated Balanced Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 7926 |
| 1012 DAC Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 6939 |
| 1010 Stereo Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 6944 |
| 810 Stereo Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 6001 |
| 2060 Class A Stereo Amplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 10709 |
| 2050 Class A Mono Amplifier | Boulder Amplifiers, Inc. USA | Solid | Monoblock | 5937 |
| 1060 Stereo Amplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 7450 |
| 860 Stereo Amplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 6123 |
| M-60 MkIII | Atma-Sphere Music Systems Inc. USA | Tube | Monoblock | 4310 |
| Presence Deluxe | First Sound, Inc. USA | Tube | Stereo | 3148 |
| 1050 Mono Amplifier | Boulder Amplifiers, Inc. USA | Solid | Monoblock | 7746 |
| 850 Mono Amplifier | Boulder Amplifiers, Inc. USA | Solid | Monoblock | 8480 |