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In the Forum: Audio Discussions
In the Thread: It’s mad, mad, mad... electricity.
Post Subject: Match the system to be true to the sourcePosted by drdna on: 8/17/2019
 Amir wrote:
... because i can easily hear difference of 2m AC cable and 4m AC cable ... 
 Yes, it's true. This reminds me of when I was testing different parts in an amplifier, and I was getting help from my father (this was about thirty years ago when he was still alive). At one point he declared: "Ok, that really improved the sound. There is a lot more bass. What did you do?" 

I had just happened to use a different AC cord when I plugged the amplifier back in, and I told him so. At that point, my father (who worked as an aerospace engineer for 40 years) declared it to be impossible, got up, and left the room.

So, I am of the opinion that most anyone can hear the differences. We just don't understand the physics of why it makes a difference. Just make sure you do it in a double blinded fashion, and be ready to accept that sometimes the less expensive fancy option will be better!
 Paul S wrote:
... we make innumerable compromises and arrive at the "best" version of the sound we want for the minimum amount of time per day/week/month/year we will accept from our "solution" ... 
Paul offers a astute view. How do we decide what the system should sound like? The problem is that different source material each represents a different recording technique, each of which requires different "correction" in reproduction to sound true to the original event.

Since we have many different recordings in our collections, there is a tendency to always change the system to change the "corrections" to match different source material. Because my wife is a professional musician, we have numerous recordings of her, many of which I did "live" at the events, so we tune the system to be as accurate as possible to what she actually sounds like. She is there to sing and play in the same room for comparison and is actively involved in deciding what changes in the system sound closer to reality. It's not perfect for all the other records in my collection, but it is a happy medium that has some semblance of objectivity.

Adrian

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