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  1. M

    Apple Announces Personalized Spatial Audio

    You use the TrueDepth camera (dot projector and all the same used for FaceID) to map your pinna and then it will compute that somehow to tailor the response, coupled with how it already tailors the sound with Adaptive EQ (uses the microphones to hear how the music is playing in you ear). They...
  2. M

    Is this a MiniDSP EARS in MKBHD’s background?

    No headphone band rest and different base. If he’s getting into measurements, I hope he doesn’t use that (not accurate at all).
  3. M

    Guess the price

    SoundStage recently published measurements of a bookshelf speaker. In [good?] fun, post your guess for the retail price, then click on my subsequent comment to reveal the actual price...
  4. M

    Emotiva on transformers vs SMPS

    Nice to see they have an Audio Precision; now if only they followed Schiit & Topping in releasing the AP reports.
  5. M

    Emotiva B1+ quasi-Spin & measurements | Archimago

    https://archimago.blogspot.com/2021/02/measurements-emotiva-airmotiv-b1.html? I was gonna say it looked poor, until I noticed he only used a 30dB scale. Taking that into mind, this is really good for $230 (the original B1 was $300). Do not use the grilles though. Oh, and he also goes on to...
  6. M

    Varying vs constant phase?

    Saw this guy post on Reddit: This was for an exam and he said that the constant phase turned out to be the correct option. Any guesses why? I would have said Option 2, as the phase is lower in the bass, thus the EPDR would be closer to the raw impedance of the speaker, whereas a high phase...
  7. M

    B&W 705 Signature Measurements | Stereophile

    https://www.stereophile.com/content/bowers-wilkins-705-signature-loudspeaker-measurements At a $1000 premium over the $3K 705 S2, it features a higher end finish and an optimized crossover. Stereophile measured the original 705 in 2004, where the price was $1500 (inflation calculator puts...
  8. M

    RBH PM-8 Studio Monitor Review & Measurements | Audioholics

    https://www.audioholics.com/bookshelf-speaker-reviews/rbh-pm-8-monitor https://rbhsound.com/pm8.php $3200 in standard finish, $4000 with side accent panels (made of stone) Not sure why the RBH site shows a silver woofer and Audioholics a black woofer. I won’t post all the graphs, just the...
  9. M

    Purifi Audio SPK5 Measurements | SoundStage/NRC

    https://www.soundstagenetwork.com/index.php?option=com_content&view=article&id=2403:nrc-measurements-purifi-audio-spk5-loudspeakers&catid=77&Itemid=153 This is a speaker design that Purifi has the free plans for on their site: https://purifi-audio.com/tech/ I see that @sgoldwin sell these on...
  10. M

    Vimberg Amea Bookshelf Measurements | SoundStage/NRC

    https://www.soundstagenetwork.com/index.php?option=com_content&view=article&id=2401:nrc-measurements-vimberg-amea-loudspeakers&catid=77&Itemid=153 0-15-30° H 45-60-75°H At $14,000-$15,000 USD, I‘m a bit disappointed by the directivity mismatch around 2kHz. Without looking at the price, I...
  11. M

    Help defining wide/narrow directivity/disperison.

    So, if you guys don't know, I have a speaker selector Google Sheet that you can use and narrow down the list with multiple filters (both scores, price range, measured sensitivity, physical dimensions, enclosure type, etc.). I am wanting to add dispersion categorization, but then of course we...
  12. M

    Monitor Audio Gold 100 (2019 revision) measurements by SoundStage/NRC

    https://www.soundstagenetwork.com/index.php?option=com_content&view=article&id=2204:nrc-measurements-monitor-audio-gold-100-loudspeakers&catid=77&Itemid=153 M.A.’s speaker measurements are all over the board, some are good and some are not, I don’t even know how they vary so much unless there...
  13. M

    Stereophile has started calculating EPDR.

    https://www.stereophile.com/content/goldenear-brx-bookshelf-reference-x-loudspeaker-measurements And he is going back to previous reviews and adding this in. EPDR (Equivalent Peak Dissipation Resistance) takes the impedance and phase data and computes a new impedance that shows what equivalent...
  14. M

    A high end DAC that actually isn't garbage.

    Stereophile recently reviewed the "Weiss Engineering DAC502" DAC & headphone amp, I went straight to the price tag and saw $9850 and eagerly went to the measurements to see what a shit show it would be, but it actually is pretty good, not Mola Mola good, but good. Here is a comparison with the...
  15. M

    Speaker Sensitivity: Advertised vs Measured

    Speaker sensitivity is an important aspect that can sway potential buyers towards or away from a specific model or brand. Thus, it gives an incentive for manufacturers to fudge their numbers; this fudging can be accomplished via the frequency range, weighting, in-room estimates, etc. I decided...
  16. M

    Audioholics: What is Loudspeaker Directivity?

  17. M

    Mark Cerny (PS5’s Lead Architect) covering HRTF & 3D Audio

    It’s covering the whole system, but this section (40min mark) shows how serious Sony is taking audio in games. I’m surprised this is currently #1 on trending on YouTube, as it’s not like Apple doing a Keynote for a new product, it’s simply Mark talking about how they created the PS5. The...
  18. M

    NHT C3 measurements by SoundStage/NRC

    https://www.soundstagenetwork.com/index.php?option=com_content&view=article&id=2273:nrc-measurements-nht-c-3-carbon-fiber-loudspeakers&catid=77&Itemid=153 It’s the new carbon fiber edition (ugly IMO), but it’s just the finish so the performance should be identical. MSRP of the original is...
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