Fidelity Audio is the degree of perfection of the reproduction of the original sound.
To me perfection does not have levels it is either perfect or imperfect, so why do we have terms like hi fidelity (Hi Fi) and Ultra Hi Fidelity. What next Super Duper Hi Fi?
There are many factors that affect the fidelity of audio reproduction.
Room reflections and resonances have a significant effect and can be improved or eliminated by some simple changes.
The resonances within the speakers are the second most significant problem, and this can be almost eliminated by correcting a basic design error that exists on most amplifiers. This change produces a huge damping factor on the speaker forcing the speaker to accurately follow the input signal reducing the overall distortion and phase error without any additional production cost.
I don’t have tone controls or graphic equalizers. The room has been optimized and the pair of speaker were designed, optimized, to take advantage of the new amplifier design.
I use this correction technique in my DIY amplifier and change an average audio IC into a high end 3.5 Watt amplifier.
Why only 3.5Watt output.
Even in a large home listening room (unless you have an auditorium full of people in your house.) 3.5 Watt is louder than required. It is not uncommon for people to purchase a 300 Watt amplifier, convinced by a sales person that this is the way to have the best sound system (Sales Bulls…), and it is then listened to at a power level of less than 2 Watt.
If you were to continually listen to it at the 300 Watt level in a normal listening room it would result in severe hearing damage.
Yet the difference between 3.5 and 300 Watt is less than 7 just audible steps or only 4 times as loud. — Sound Quality is NOT sound level —
I also have designed a professional audio system originally 3.5 Watt, the market place forced me to increase the output to 30 Watt to match the (Sales Bulls…). This is 3 just audible steps above the 3.5 Watt Amplifier or twice as loud.
The specifications tell part of the story, the specially designed speaker system and the room modifications are the final things that complete the package.
I enjoy listening to one with the volume turned down to below 2 Watt per channel, I shut my eyes and feel the presence as if I am at the venue live
I now use the term “Live Audio” by which I mean as close as I can get to being at the live performance, and that is a lot closer than any equipment I have listened to.
For design details https://www.inja.com.au/diy.php