Frequency response left versus right, sum and stereo
Frequency response This is quiet an established measure, of course. However, even frequency response is not fully accepted. We wrote several blogs related to flat response or peaks and drops in frequency response and we […]
Tube sound again
For objectivists the characteristics of tube amplification is mostly due to additional components of sound. Many tube lovers call it a higher purity of sound.Others again enjoy „easier listening“ in terms of warmer and maybeslightly […]
Signal path through a tunnel or what actually limits good sound?
Trying to determine criteria for good sound and looking for support to determine it better. Since decades professionals and audiophiles measure sound parameters and yet it is not possible to fully predict the sound quality […]
Search for headphones which help me learning to identify specifics of time and phase coherent sound
Why my search for headphones? At TestHiFi, we put ourselves onto a challenge, to drastically simplify audio measurements. That should enable any mobile phone users for reasonable audio measurements. It should be so simple, that […]
The Sound of Tubes ?
At TestHiFi we discuss and develop ways to measure aspects of music reproduction. Sometimes, working on my own loudspeaker projects, such aspects draw attention. About such an event I want to write this time. When […]
How much quality of a microphone do you need for simple measurements
Simple measurements can tell you something How much quality of a microphone do you need for simple measurements? As David explained in his last blog simple distortion measurements. It is of course possible to extract relevant insights […]
Simple Distortion Measurements
Do simple distortion measurements make any sense? Even if taken from loudspeaker output? With simple, non-laboratory grade test instruments and environment: can we read anything interesting out of distortion measurements? I made some, using REW […]
Flaws in audio at listening position – phase coherence or polarity variation
Theory explanation I found the explanation of Jeff Towne: Its a phase youre going through quite understandable, therefore I refer excerpts including a listening example of it here. It’s a perplexing problem: the mystery of […]
Some new HiFi adventures
A Re-Visit Back to a friend and customer’s place I had a strange experience which I would like to share. And still don’t quite understand … The System is complex and very high quality : […]
Flaws in audio at listening position – stereo channel time coherence
Theory explanation Stereo, a method of sound reproduction We described stereo effects to some extend already in the criteria stereo capability and Frequency response channel correlation. Stereo is a method of sound reproduction that […]