| PHOTO | MODEL NAME | MANUFACTURER | TYPE | CHANNELS | VIEWS |
 | LL1 Signature | LAMM INDUSTRIES INC. USA | Tube | Stereo | 11965 |
 | Model LL2.1 | LAMM INDUSTRIES INC. USA | Tube | Stereo | 10923 |
 | VTSP-3 | Herron Audio USA | Tube | Stereo | 9265 |
 | 865 Integrated Amplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 12131 |
 | 2008 Phono Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 7572 |
 | 2010 Isolated Balanced Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 9445 |
 | 1012 DAC Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 8300 |
 | 1010 Stereo Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 8461 |
 | 810 Stereo Preamplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 7263 |
 | 2060 Class A Stereo Amplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 12501 |
 | 2050 Class A Mono Amplifier | Boulder Amplifiers, Inc. USA | Solid | Monoblock | 7237 |
 | 1060 Stereo Amplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 8770 |
 | 860 Stereo Amplifier | Boulder Amplifiers, Inc. USA | Solid | Stereo | 7448 |
 | M-60 MkIII | Atma-Sphere Music Systems Inc. USA | Tube | Monoblock | 5246 |
 | Presence Deluxe | First Sound, Inc. USA | Tube | Stereo | 3971 |
 | 1050 Mono Amplifier | Boulder Amplifiers, Inc. USA | Solid | Monoblock | 9268 |
 | 850 Mono Amplifier | Boulder Amplifiers, Inc. USA | Solid | Monoblock | 10375 |