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    Natural Sound

    https://www.fidelity-magazine.com/tonhalle-zurich-revisited/ This a before and after comment .. unfortunately not super detailed but I think goes to the heart of acoustics and natural sound. It's the preferred reverberation time for the listner. Tapio Lokki et all have established that peoples...
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    Brinkmann Balance vs. J. Sikora Reference- Battle of the $50K Belt Drives

    If they use 21,000 year old parts in their most advanced carts , what do they use in their entry level :)
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    Video delay device to sync with dsp audio

    I am using a 4 way speaker, 8chanel dac and 8 amps with crossover filters in an acourate convolution filter located in jriver on server. This system is intended to be a home cinema as well as music. The dsp adds a delay of 600ms ( theoretically) which results in a a sync problem with video...
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    Rhapsody.Audio Listening Rooms

    Shame they don't live in the north and south.. they could be bob up and down:)
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    My Pinkfaun 2.16 ultra experience

    Looking forward to your reports ! Phil
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    ChatGPT and the future of the music industry

    AJ what amazes me is any interaction we have with AI such as chat bots on corporate websites etc are beyond infantile , just blood pressure raising time wasters ...so clearly no money is being splashed into that area where it could be useful answering the simple questions. I share your...
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    ChatGPT and the future of the music industry

    Yet in the day to day world all you see is A with no I
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    Does DSP belong in State of the Art Systems?

    T Tim, I'm just starting a process of using acourate for crossover filters as a crossover ( aided by a friend) and as far as I can see getting it all as close as you possibly can prior to using acourate is the key .. I measured all drivers outside and up in the air to get halfway decent clean...
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    Recent Concerts You've Enjoyed

    S Super ! Seems they have figured out the non "shoebox " hall
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    Recent Concerts You've Enjoyed

    A Nagata designed hall.. presume the acoustics are great ? Phil
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    The Worlds Best Listening Room?

    Nice to have a theatre named after you:) It is a beauty .. interestingly the flat floor removes " seat dip" that you get with tiered seating and the walls between the boxes reduce early side wall reflections and the lovely high ceiling reduce ceiling reflections so it ticks a lot of boxes. I...
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    The Aurora's are coming.

    Very cool. The importer here will be getting a pair soonish. I think these are conceptually a very clever design .. quite a step forward. I am sure they will be amazing Phil
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    Ron’s New System

    Ron The increased sensitivity to fr between 3-6kh is a well documented symptom of ... eerrr.. ahem.. aging Not sure any speaker designers are going to create a range for the "older" listner :)
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    Visit to Marc C.'s (SpiritOfMusic's) House in England

    Confirming that improvements still work over time is a great move ... you may have previously corrected by limiting something that treats the symptom but is not the cause. Acoustics is a great example. If you remove early reflections you achieve greater clarity.. your transformer might have done...
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    Does DSP belong in State of the Art Systems?

    Pretty decent room ! I have 130hz dip and part of it is wall behind chair.. 750mm from wall .. I can open the door and reduce the depth of the dip. The rest is from a multitude of reflections which obviously sum to that dip. I can dsp it out.. almost.. at listening spot but it's not really...
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    Does DSP belong in State of the Art Systems?

    Is your chair approx 750 mm from rear wall ..
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    Does DSP belong in State of the Art Systems?

    Bjorn Are these measurements an average over a listening window are just a single spot .. that seems a lot fir a single panel Phil
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    Does DSP belong in State of the Art Systems?

    I watched the toole video.. he says digital or active crossovers are the future . I also wondered what his talk would have been like had he worked for acoustic treatment companies for 40 years rather than a speaker company. Not denying that he and olive have done great work but it's not the...
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    Does DSP belong in State of the Art Systems?

    In fact you could argue that putting a digital source through an analogue crossover is a backward step. The pinnacle of digital crossover design will always surpass the precision of the best analogue crossover. Consider linear phase, precise alignment (including adjustments for imperfect...
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    Visit to Rhapsody Audio Brooklyn

    You could have at least waited for Ron's response before swinging !
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    My Pinkfaun 2.16 ultra experience

    I was wondering if anyone has tried PF power chords. I found both Lan and usb to be really good Phil
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    Good mid-price audiophile switches

    Gene I have both and they work very well together but had not done extensive trials. I was at a friend's yesterday who also has both and we tried them separately and together and there was a clear improvement with both. Whether its worth the expenditure is subjective Cheers Phil
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    Ron’s New System

    Ron .. the woofers crossover at 250hz so are still directional ( down to say 170hz) so side wall reflections are reduced with woofers inboard and I am certain speaker distance to chair offset would be a problem as well. Woofer Position does not change room modes but it sounds like the impact...
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    My Pinkfaun 2.16 ultra experience

    Hi rdw I have used the ediscreation silent switch then added the firebox II .. improvement each time .. I like these as they have excellent internal power supplies and it reduces box count.. if you have not looked there is quite a long thread on these that is worth reading as folks have done...
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    2023 Albums of the Year

    Good Idea ! I miss the mag lists like folk roots etc best of Randomly John Moreland Live at third man records.. direct to disc Luke Howard Laulasmaa ..plu in the arvo part centre Epsen Eriksen Trio with Andy Sheperd. As Good as it gets .. great label Viktor Orri Arnason. Part : Spiegel Im...
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    Smearing

    Tangram I suspect the baffle displacement addition to sound generation is probably not a big deal at low frequencies but if vibration is transmitted to other drivers or their baffle that is an issue for sure .. after a few generations of the orion linkwitz designed a separate support for mid/...
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    Smearing

    I imagine smearing can happen anywhere in the chain but I would have thought it is most apparent in room acoustics as in a reflected sound arriving shortly after the direct sound causing a loss of clariry ... it also could be a reverbarent field that does not correlate in phase and or...
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    Ron’s New System

    The gaps between panel at wall in the reflection zone are very small and I would doubt if they would make much difference in this case Manufacturers usually test at a gap 50mm or so and increase from there ...you would expect them to have a higher absorbance and go a little lower in fr as gap...
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    What are the Covers You Like Better than the Original?

    A fun thread This is a cracker !
  30. P

    Ron’s New System

    Thanks Theoretically you should get a dip at 95hz .. assuming your back wall reflects that frequency It's also about 5ms later than direct sound so within the "smear zone" so could warrant treatment but I think side wall reflections are shorter and more impactful

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