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Why could a bad speaker be measured as good at the listening position?

Well, as usual, easily asked and rather difficult to answer. What is a bad speaker and what would we measure at the listening position? These two questions are also relevant for providing an answer to […]

Wilhelm   Allgemein
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LS Measurements at various distances

I would like to continue from last time, discussing measured data at various distances. Including some nearfield effects. Loudspeaker, room and placement remain the same, the time response has been shown last time. For some […]

David   Allgemein
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Do measurements correlate with listening experience at all?

Trust only my listening experience Since we have started to regularly foster discussions on Facebook, it is impressive to see how many comments people make on the inappropriateness of measurements. Discussions on measurement usually go […]

Wilhelm   Allgemein
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Loudspeaker Measurements – Part 1

Part 1 – loudspeaker time domain and 1 m data I would like to show some real nearfield and farfield measurements to underline my last blog about basic loudspeaker „frequency response“ measurements. As always, be […]

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Why is an audio system not “just correct”?

Mankind made it to the moon, but a just correct audio system seems to be impossible. What do I mean by an audio system? For this discussion, an audio system is everything between the air […]

Wilhelm   Allgemein
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Measuring Loudspeakers – intro

For me as a loudspeaker designer and acoustician measuring loudspeakers is mostly about the far field pressure response (magnitude and phase). With such measurements we can determine frequency domain characteristics like the on-axis and off-axis […]

David   Measurements
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Should speakers be time and phase coherent?

This blog adds to the wide topic of how we localizes sound and what a HiFi system should be capable of. The earlier blog “ghost fundamental and engaging sound” talked about this and this blog […]

Wilhelm   Allgemein
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Midrange Room Influence

The room influences midrange frequencies with a mix of modal and interference based effects. Allow me to declare the midrange frequency (MF) range to reach from 100 Hz to about 2 kHz. This is the […]

David   Room Acoustics
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„ghost fundamental“ and „engaging sound”

Music makes you sleepy on some seats in a concert hall. The same music on other seats in the same concert hall totally engages you. On the latter seat it makes you totally feel the […]

Wilhelm   Allgemein
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The Sound of Distortion

Some personal thoughts about Distortion During the last years there seems to be a refreshed trend to relate sound characteristics of amplifiers to their distortion characteristics. I have no expertise about amplifiers and distortion, since […]

David   Allgemein
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