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THD Podcast 51 - Loudspeaker Test Chambers Designed for Consistently Stable, Affordable Measurements
The Total Harmonic Discussion / the THD Podcast. A weekly discussion on audio and headphone technologies and the people who bring the technology to market. In episode 51, Geoff Hill of Hill Acoustics joins to introduce and explain the theory behind their Tetrahedral Loudspeaker Test Chambers.
Hill Acoustics was formed, to promote loudspeaker test chambers based upon the Tetrahedral Test Chamber principle expounded by their Chief Technical Officer - Geoff Hill. Loudspeaker measurements have long been a source of excessive variability with typical tolerances of +/- 3dB being the norm, whilst a tolerance of +/-0.1dB is typical for virtually all the rest of the equipment chain. Long frustrated by the state of loudspeaker measurements, Geoff set out to provide a better alternative. Launched in 2013, they built various sizes of chambers whilst refining the theory an design. And understanding that international standardization was a necessity they pursued this through the publication of the principles through: The Audio Engineering Society, ALMA, ISEAT and working with the International Electrotechnical Committee (IEC-TC100), on updates to IEC 60268-5, 60268-21 & 22, he worked with the AES SC-04-03 on the Loudspeaker Measurement Chambers, Information Document, AES73id-2019.
Geoff's book on loudspeaker design is available here:
amazon.com/Loudspeaker-Modelling-Design-Practical-Introduction/dp/0815361335
Please like, subscribe, share, and comment with your feedback! Enjoy the podcast!
www.db-ent.com
linkedin.com/in/dave-lindberg-ab0b096
@dlindberg11
www.hillacoustics.com
linkedin.com/in/geoffhilluk
amazon.com/Loudspeaker-Modelling-Design-Practical-Introduction/dp/0815361335
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