HUG - here for all audio enthusiasts


"This Harbeth User Group (HUG) is the Manufacturer's own managed forum dedicated to natural sound, realisable by controlling the confounding variables between tthe microphone and the listeners' ears.

For example, the design of and interaction between the hifi amplifier and its speaker load can and potentially will alter the sound balance of what you hear. To reproduce the sounds captured by the recording microphones, as Harbeth speakers are designed to do, you would naturally select system components (sources, electronics, cables and so on) that do not color the sound before it reaches the speakers.

Identifying components for their system neutrality should, logically, start with the interpretation and analysis of their technical, objective performance, as any and every deviation from a measurably flat frequency response at any point along the serial chain from microphone to ear is very likely to cause the total system to have an audible sonic personality. That includes the contribution of the listening room itself.

HUG specialises in making complex technical matters simple to understand, aiding the identification of audio components likely to maintain a faithful relationship between the recorded sound and the sound you hear. With our heritage of natural sound, HUG cannot be really be expected to guide in the selection, approval, endorsement or even discussion of equipment that is intend to introduce a significantly personalised sound to the audio signal chain. For that you should do your own research and above all, make the effort to visit an Authorised Dealer and listen to your music at your loudness on your loudspeakers through the various electronics offered there. There is no on-line substitute for that time investment in a dealer's showroom.

If you desire to intentionally tune your system sound to your personal taste, please consider carefully how much you should rely upon the subjective opinions of strangers. Their hearing acuity and taste will be different to yours, as will be their motives and budget, their listening distance, listening loudness and listening room treatment, not necessarily leading to appropriate equipment selection and listening satisfaction for you.

Alternatively, if faithfully reproducing the sound intended by the composer, score, conductor and musicians over your speakers is your audio dream, then understanding something of the issues likely to fulfill that objective is what this forum has been helping with since 2006. Welcome!"

Jan. 2018
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Acoustics & measurement - training course, Oct. 09

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  • Acoustics & measurement - training course, Oct. 09

    To keep up with the latest thinking and to be assured that the measurement techniques I use are compatible with industry best-practice (and to meet others doing speaker design/measurements) I am attending a two day course in New York next month. Just one part of the course is this:

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    In our upcoming October seminar, the topic of Simulated Free Field Measurements is addressed. Alternative techniques, trade-offs and limitations, and methods for combining these techniques are demonstrated. Some additional details can be found in the attachment.

    Loudspeaker Performance: Measurements, Analysis & Diagnostics

    This two-day course focuses on loudspeaker testing. The fundamentals of acoustics and electro-acoustic measurements are presented, including instrumentation, data interpretation and information on how to perform appropriate tests. Advanced techniques for diagnosing problems in design and QC are shown. Practical demonstrations are provided throughout the course. This course is intended for technical persons who are responsible for the electro-acoustical performance of drivers and loudspeaker systems in R&D, Q.C/Q.A. or in production. The level and content are appropriate for both, novices and persons with test and measurement experience. This training will enable you to perform accurate loudspeaker measurements and provide you with the necessary tools to understand and correctly interpret the results.

    13-14 October 2009
    The classroom opens at 8:00 am. The class begins promptly at 8:30 am and runs until 5:00 pm with a one-hour break for lunch at 12:00 noon.

    226 West 52ndStreet (at Broadway)
    New York, NY 10019

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    I think that if nothing else, discussing the correlation between anechoic (free-field) measurements and in-room measurements, and contributing my own experiences over the years will be time well invested. That should put us in a strong position to discuss how to get the very best sound in your room.

    Alan A. Shaw
    Designer, owner
    Harbeth Audio UK