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  1. StereoNET Kii Three Review

    In my experience Stereophile (and other) awards usually represent the genuine views of their reviewers as to which products they think best, rather than just trying to keep advertisers happy as can happen with the reviews themselves – though of course getting a review and so a place in the award ballot usually does often depend on being an advertiser first. And of course reviewers like all of us have their prior preconceptions and personal biases so sometimes (often?) get it wrong – but IMHO not in this case!
  2. StereoNET Kii Three Review

    It has just won Stereophile magazine's Product of the Year Award - with the following citation: As Kal Rubinson wrote when he reviewed our 2017 Product of the Year in the September 2017 Stereophile, “almost everything about Kii Audio’s Three loudspeaker is a refreshing splash of cool water.” That’s especially true if one defines refreshing—and splash and cool—as meaning “different.” And my oh my, is this year’s winner ever different. The three-way, six-driver Kii Three is distinct from most other loudspeakers—and all previous Products of the Year, as far as I know—inasmuch as it is self-amplified and -preamplified, DSP-controlled, and German. And, at $13,900/pair (stands additional), the Kii Audio Three is far less expensive than other products that have sat atop our annual vote. Take that, conformity! I hope it is the beginning of DSP active speakers becoming mainstream.
  3. Yes thanks Laurie. I thoroughly enjoyed it - playing great music to great people. We usually had someone in our room (Redgum+Legend) & often standing room only. And the show organisation was superb which always makes things better/easier - many thanks to Marc Rushton and his crew.
  4. I brought my highly modified Linn Sondek with Ekos arm and Ortofon Quintet Black all the way from Nowra (about 900 km!) and not one person asked for vinyl to be played on it. We had a number of requests for CDs and digital files on thumb drives to be played - but not one vinyl. I also had 2 Tb of music ranging from AC-DC live to Bartok quartets but both tended to clear the room!
  5. Crossovers and Biamping

    In my experience the longer the bass/mid and treble signals are kept separate the better, with significant (though not equal) improvements at each step: active xovers > biamping > biwiring > single wiring Taken from something written a while ago at http://www.legendspeakers.com.au/Backup-old-site/information/wiring.PDF
  6. Agree. We bring the same ears (with all their imperfections in hearing) to a live event as we do to its reproduction – and so we interpret both (if played at similar SPLs) with these same imperfections. If you want the same emotional experience (which I do) then there should be as little difference between the live event and its reproduction. Technically this means as low distortion as possible – for a loudspeaker as flat frequency response etc etc as possible (yes I know there are complications caused by the listening room). If you want the reproduction to be coloured (eg sweeter with 3 tea-spoons of sugar added to everything etc to mix metaphors) then this is obviously not true.
  7. Yes it was difficult for us at Redgum+Legend at times - but quality beats quantity We would also like to thank Marc for his excellent report of an 'opposition' show - and hope too that Chester/NextMedia reciprocate with a similar report on his show in Melbourne later this year.
  8. Kantus, Kurres and Minis (all from our passive Xover Reference Range) - sounding very good with Redgum electronics (DAC, phono and integrated amps) that I haven't heard for a while. Plus some great music that Lindy has stored on her laptop - but we can also play CD/SCADs and vinyl) if you bring along your own!
  9. Redgum will in room 2122 with their amps driving Legend speakers.
  10. Panels vs Dynamic (cone) Speakers

    These are the measurements from Kantus - a 3-way speaker with dedicated 3"mid but no tweeter lens: at 0 and 90 degrees: at 30 and 60 degrees: Even without a tweeter lens the plots generally change more evenly with frequency and orientation mainly because the dedicated 3" tweeter beams less at the Xover to the tweeter (which is also higher at 3.3 kHz rather than 2.5 kHz as in the 2-way Kurres). (The image below is a mistake but I don't seem to be able to delete it!!)
  11. Panels vs Dynamic (cone) Speakers

    Also apologies more generally for not making much input previously to this thread - I have been in Yorkshire visiting in-laws for the past few weeks and am still readapting to Oz (both physically & business-wise)! My article that started this thread was written over 10 years ago and much water has passed under the bridge since then in my understanding etc. Written now I would probably placed less emphasis on the Haas effect and more on Toole & Olives work on the effects of reflections more generally in rooms. However I do think that panel users go to some trouble to utilise the Haas effect by having to place them well away from the back walls so those waves beamed backwards reach the ears in a time when they integrated best physoacoustically with the front waves - but are not just confused with them (at shorter overlap times); or perceived as echoes (at longer times). And even though panels might avoid first room reflections off side walls above certain frequencies I think by the 2nd or 3rd reflections even they will pretty much fill the room, just like cone/dome speakers. The only way to totally avoid room reflections is to use headphones! I still do believe what I said about panels keeping vibrating (decaying) long after the signal exciting them has stopped. On theoretical grounds even though the panels might be light – but so are drumheads. And this is shown up experimentally (listening and measurements) as in the recent Stereophile review of Quads http://www.stereo.net.au/forums/topic/125907-new-quads-esl-2912/#comment-1874186 Finally(!) I still think that panels are no faster than domes/cones in attack speed. As pointed out also by others it is acceleration of the diaphram that is important and this depends on force/mass so even though the panels have lowish mass they have smaller forces on them. And I doubt that panels have lower overall mass than many tweeters.
  12. Panels vs Dynamic (cone) Speakers

    Apologies to those who don’t like measurements but I find them useful to understand what I am hearing (on all sorts of music!) when designing a speaker. These are some I have just made on our Kurre 9: Firstly on axis and right angles (90 degrees): Then filling in the gaps at 30 and 60 degrees: I think it can be seen they fall off fairly slowly and monotonically with both angle and frequency. There is perhaps a slight discontinuity where the mid/bass driver’s beaming at increasing frequency does not quite match the wide dispersion of the incoming tweeter above Xover but it is minimised by use of the shallow tweeter lens/wave guide. (And of course the lumpiness at low frequencies is a room measurement effect). The use of a dedicated mid-range also helps dispersion - I will try to do some on the Kantu today.
  13. Panels vs Dynamic (cone) Speakers

    Published yesterday http://www.soundstageaustralia.com/index.php/reviews/17-legend-acoustics-big-red-active-loudspeakers
  14. New Quads ESL-2912

    They just did not float my boat - I like listening to a very wide range/variety of music! More detailed reasons at http://www.legendspeakers.com.au/Backup-old-site/Loudspeakers.PDF
  15. New Quads ESL-2912

    I don't think so. When I worked at Linn I was offered a pair reputed to be Peter Walker's personal ones but declined!