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Frequency Response (Amplitude versa Frequency)

Between reasonably designed music systems (and setups), the frequency response is the most important characteristicum.The new version of TestHiFi now includes the (paid) option to display a frequency response. Measuring amplitude versa frequency shows if […]

David   Measurements
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Digitalization – how far can it go?

Just recently I came across a new album, composed and played by AI. Also I found quite an interesting theses on the digitalization influence to the music business. This blog cites abstracts of those. Music […]

Wilhelm   Allgemein
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Back to tubes

The chip amplifier For my loudspeaker work I often use a very simple chip-based amplifier to subjectively evaluate characteristics like spectral balance and relative phase between different drivers. Assisted by simulation and measurements, of course. […]

David   HiFi Adventures
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Hi-Res, yes but …

Digitalization used to be a harm to the quality of music reproduction. In the early days music digitalization, it was quite difficult to cut the analog information in small enough digital slices. That was on […]

Wilhelm   Allgemein
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Loudspeaker Legends – Yamaha NS10M and Modifications

The Yamaha NS10M can be seen on the meterbridge in many studios.While they were discontinued years ago, many are still in use.One reason may be that they sound quite forward, with good insighton recording or […]

David   Loudspeakers
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Different harmonic distortions at different places?

Why would you get different measurement results for harmonic distortion at different places? In several of our other blogs, we talked about harmonic distortion. https://testhifi.com/2019/03/15/the-sound-of-distortion/ David explained why they are. Also we talked about acoustical […]

Wilhelm   Allgemein
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Complex bass array – Plattenwerk.at

In my last TestHiFi blog I wrote about a band-limited low frequency (LF) system to fill a response gap. This time I would like to show a much more complex LF system. Some years ago […]

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You can hear the difference – listening example

Any system plays music it is just a question of how close it comes to the original. The question of hifi, high fidelity. The two audio files attached play the recording’s taken at the same […]

Wilhelm   Allgemein
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An unconventional loudspeaker solution for LEWITT Audio

An unconventional low frequency solution – LEWITT Audio The result
shows the advantage of this remarkable space: walking back along the symmetry axis towards the rear wall without any change of LF characteristics. Nice and even everywhere!
LF reproduction can be tricky, even in an amazing room like this. One more reason for custom design 🙂

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Position is key

Influences to the frequency response Sure, we all know about and talk about the frequency response. Measuring amplitude over frequency. Of course, this is far too profane for a proper audiophile to have a seriously […]

Wilhelm   Allgemein
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