I bought the last great Onk for 700 Canadian beaver tails from Agent Orange at Visions in 2012 complete with XT32 and almost as much power as the ADA-1000-2. So nya nya nya nya nya!
Unlike the 1000-2, my Onk is full of technology described in dozens of patents including advanced vibration dampening as described in the patent below. These patents make it sound similarly good to any Bryston gear and this is a fact even though I've never heard Bryston (hee hee flame on). To vex off evil spirits, after my Totem Dreamcatchers ignited from the full onslaught of my ADA-1500-3, I removed the factory-installed purple dots above the tweeters acting as talismen and glued them on my Onk. Vince Bruzzece would be proud! His dinky, charred woofers are now entertaining the squirrels in my backyard:
https://patents.google.com/patent/US7773373Of note is the following excerpt:
"The function of the vibration-damping structure of the AV amplifier will now be described. With a configuration as described above, when the power of the AV amplifier is turned ON, a voltage is applied to the main transformer 52 and the sub-transformers 53 and a current flows therethrough. As a current flows through the main transformer 52 and the sub-transformers 53, these components vibrate slightly. Moreover, the exhaust fans 54 are rotated by a driving circuit (not shown) to also vibrate slightly. As the main transformer 52, the sub-transformers 53 and the exhaust fans 54 vibrate slightly, these vibrations are transmitted to the component accommodating chassis 45 on which these components are mounted.
Since the component accommodating chassis 45 is fastened to the sub-chassis 25 so as to be partially in contact with the sub-chassis 25 via a plurality of fastening members, the vibrations of the component accommodating chassis 45 are attenuated while being transmitted to the sub-chassis 25. Similarly, since the sub-chassis 25 is fastened to the main chassis 11 so as to be partially in contact with the main chassis 11 via a plurality of fastening members, the vibrations of the sub-chassis 25 are further attenuated while being transmitted to the main chassis 11."
There's more interesting reading below the above excerpt that describes the nasty effects of these vibrations on the audio signal.
Norimasa Kitagawa and the rest of his Onk crew wouldn't make this up. These guys do nothing, I mean absolutely nothing in their lives but eat and breathe this stuff all day and all night.
P.S. I remember reading that Onkyo had a heck of a time with vibration modelling. They'd introduce stiffening in one area only to discover that reflections from the stiffener resulted in more complex vibrations that created more problems. This is one reason a well-designed EI transformer is preferred over a toroidal transformer for power supplies. The EI transformer is less likely to vibrate particularly with a DC component on the powerline.
P.P.S. Agent Orange is the nickname I gave the sales guy because he had Orange hair and spittled as he scuttled his stammerings.
