- May 29, 2007
- Reaction score
- Suburb of Toronto, Canada.
I can’t speak for other switchers but the one I use (see attached schematic) is nothing more than an assembly of passive components ... namely attenuators, jacks, binding posts, wire and switches/relays which, if they are functioning properly, will have no effect on the integrity of the signal. This can be confirmed by taking some simple measurements. Objectively, it'll be performing as would a straight piece of short wire.I understand the intent of the switch box. But it has a bunch of connectors, wires, switches etc; can you categorically state that they contribute NOTHING to the sound? That is what I am questioning.
Also note. I only use the switch AFTER I have measured for levels of distortion. If I am testing devices which both have inaudible levels of measured distortion then I expect the ABX results to show that the person doing the test will be unable to consistently note differences. This would be in agreement with the measurements which indicates that neither device has audible levels of distortion so ….. there is nothing for the person doing the test to hear.
I find there is no point in testing devices were 1, or both, of the devices has measured levels of audible distortion since I would expect that someone might be able to tell the difference . This would be in agreement with the measurements which indicates that 1 or both devices has audible levels of distortion so ….. there might be some difference that a person testing could hear.
For me personally, I use tools to listen to my audio gear. My ears being one such tool. But, knowing that our ears aren’t all that accurate when it comes to determining the things that are responsible for what we humans hear, I have decided to use additional tools - namely electronic instruments - which are capable of measuring to levels far below what a human being can discern. IOW, I use electronic instruments to listen to the things that the human ear is incapable of hearing.In these discussions we tend to lose sight of the fact that this is all about the pleasure of music, not about things looking great on an oscilloscope, so if it SOUNDS better, it IS better, and hang the engineering analysis and psychoacoustic analysis....right Dave?
For me, this offers the most consistent, complete and accurate way to test, and ultimately judge, audio gear.
36.2 KB Views: 39