Post by Owen Y on Jul 17, 2018 17:01:15 GMT 12
Co-inventor of the Linkwitz-Riley crossover filter, respected innovator in the field of loudspeaker theory & a popular loudspeaker designer for DIYers. Interviewed by Michael Fremer (when he was in hospice care). Speaking at Burning Amp Festival in Nov 2017:
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Post by Owen Y on Jul 18, 2018 10:17:48 GMT 12
Stereophile's Herb Reichert heard Linkwitz's unique dipole loudspeakers at RMAF 2014: www.stereophile.com/content/rmaf-2014-reichert-sunday " The sound was so good that I am now about to go against my whole belief system and state: In the 4th and 5th Atrium floors that I covered, the best sound I heard was the in room with the lowest price system! The Linkwitz Lab's LXmini loudspeakers (a $472 kit from Madisound) produced the most musically enjoyable, naturally balanced, properly toned, correctly detailed, music I experienced in any room on my beat. How good was the sound? Well, to start, it didn't sound like a wood box filled with dynamic drivers at all. It sounded like a high quality electrostatic loudspeaker driven by its perfect matching amplifier. In this case the "perfect amp" was an Emotiva XPA 200 ($399). This combo accomplished so many of the things I admire (but rarely experience). Music was lively and joyfully articulated—with nary a belch, fart or squeak. So many systems have all these good audiophile traits but play music in a woeful joyless manner—the LXmini + Emotiva system did the audiophile stuff but it also did joy and abandon! Quick, solid, rich, and transparent are the adjectives that come to mind. Tone color was very close to spot on. I heard all sorts of real music. "! (Pictured above is Linkwitz's larger, much more expensive ($3000) open baffled, quad-amplified LX521 kit loudspeakers.)
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Post by Owen Y on Jul 18, 2018 10:27:35 GMT 12
The Linkwitz LXminis: 
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Post by Owen Y on Sept 13, 2018 12:24:49 GMT 12
Sadly, Stereophile reports that Siegfried Linkwitz has died. Whilst he was co-inventor of the Linkwitz-Riley crossover, I personally was attracted to his ideas promoting DIY dipole loudspeakers. " What is important to the eye is not necessarily important to the ear. Why should it be? Nature makes sure each does its job and does its job perfectly. You get cues from the eye, but some things that look gross in the frequency response, the ear says, "I don't care". " 
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