Why HDSS®?

SPEAKERS: The Achilles Heel in Sound Systems

Speakers are nearly always the most limiting factor in the reproduction of pure, natural, high fidelity sound. By their very nature, even the best speakers inherently distort sound quality. Because radiating cone-type speakers rely on the vibrations from sound waves to create sound in the first place, they are vulnerable to distortion from ambient sound waves.

 As the audio signal creates pressure on the front of the speaker to create a sound wave, the back of the speaker is lowering pressure. So sounds resonating from the back of the speaker will cancel or distort sound from the front, especially the lower frequencies. This changes the original frequencies, the timbre of the sound, and may even produce undesirable ringing or a boomy bass sound.

Audio engineers have been trying for the past 100 years or so to solve this problem. And audiophiles have been measuring and testing for every sound variable in attempt to identify the ideal speakers. But not until the HDSS® speaker system based on ETL(Embedded Transmission Line) technology arrived, has that been possible. 

So just how does the HDSS® system prevent the very speaker vibration needed to create sound from bouncing back and distorting the next wave of pure sound we want to hear?

  To understand the challenges of creating a speaker with PURE, NATURAL SOUND, it is helpful to understand the different elements of sound we hear when listening to music through a speaker, and how they are measured.

Secret to Choosing the Best Sound System

Think you know how to pick a speaker?  Whether you walk in and listen to speakers in a controlled environment and say “This is it!” or you pore over charts of Frequency Ranges (optimally 20Hz - 25kHz) and Amplitude Tolerance  (ideally +/- 3dB), and  Frequency Response Curves (preferably smooth, with low amplitude variations), you’d be missing the Big Picture. (Terms explained in more detail below.) In the first instance, your ears, influenced by the immediate environment and absence of a comparative system, can deceive you. In the second, frequency response measurement is an imperfect science; measurements can vary from lab to lab, and hand-drawn graphic illustrations may be totally fictionalized.  

That is not to say those are irrelevant factors. Not at all. You’ll want to rely on BOTH subjective listening and objective measurement to make a good decision. But if your goal is natural, clear, distortion-free sound, you don’t want to stop there! All of these factors need to be weighed against the most important -- but often ignored --dimension of all – The ULTIMATE SOUND DIMENSION.

“Listening to Steely Dan’s “My Rival” , we were struck by these speakers’ ability to deliver silence between the notes in the song’s arrangement...”

Maximum PC Magazine
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