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What a an interesting and talented group of people we have here in ASR! We range from young to retired, highly technical engineers and scientists, to creative, musician-types, so accomplished professionals. We are located in all corners of the world. We can be a valuable resource to each other...

Renewable energy sources such and wind and solar have now achieved "lowest levelized cost" status, producing electricity more cheaply than any fossil fuel option. Their full cost of production is also lower than that of current nuclear options once capital costs are considered (the "levelized"...

Here’s your chance to own something very rare and cool. Has anyone heard these? Seen measurements? https://www.invaluable.com/auction-lot/jbl-model-d44000-paragon-140-c-1e247ada25

If you're interested in an ASR meetup today, Saturday, April 23 at AXPONA, meet in front of Burmeister at 1:00 pm. https://www.jdevents.com/Uploads/AXPONA2022/AXPONA2022_SchaumburgMaps_Floor1&2.pdf We can compare notes, put faces to screen names, and maybe laugh about the most outrageous...

I do hope someone can send this in to @amirm for a review. Maybe @Frank Dernie can send in one? https://www.porsche-design.com/us/en/porsche-design-shop/shop/electronics/sound/speaker/p9160-911-soundbar-special-edition/

Since Axpona 2021 has been cancelled, is there any interest in an ASR Members-Only IRL event in Chicago this year? We could visit the home of someone who has an exceptional system they want to let us audition. Or perhaps get a private session at a local high-end dealer? If you know other...

Has measurements but we need better ones by @amirm https://www.avnirvana.com/threads/reference-grade-a-full-review-of-bowers-wilkins-pi7-in-ear-true-wireless-headphones.9054/

IMO an outstanding review, with REW prediction and testing of placement as well. Sure, could be expanded in some ways, but a good balance of measurements and subjective explanation of the perceived results linked to the measurements...

I’m not a Metallica fan, but this interesting interview explores the complexities of mounting one of the biggest live show setups. (And even includes a gratuitous mention of Paul McGowan.) Plus links to a couple good videos. https://www.psaudio.com/copper/article/metallica-an-inside-look/

Conti and Sennheiser have made a huge technical achievement if it works. Imagine what it could mean for home audio. IF it can work. Does it work? https://www.continental-automotive.com/en-gl/Passenger-Cars/Information-Management/Multimedia-Systems/Ac2ated-Sound Listen on a good system or with...

Pretty cool, brief video included. https://news.northwestern.edu/stories/2021/05/stunning-simulation-of-stars-being-born-is-most-realistic-ever/

Listed at $660 https://apos.audio/products/smsl-sa400-high-resolution-power-amplifier Inputs: XLR, RCA, Bluetooth THD+N: 0.003% SNR: 96dB Channel separation: 94dB Output power: 230 Watts x 2 (4Ω)/ 110 Watts x 2 (8Ω) Power consumption: 50W (normal volume) Size: 4.7 x 1.8 x 9.25” (120 x 48 x...

Does anyone know the technical specs of this? Apparently the cost is Euro 700 per disc. How much of the limitations of a vinyl disc does it overcome? https://www.psaudio.com/copper/article/copper-listens-to-copper-stockfisch-records-dmm-dubplate-vol-1/

Every issue of Stereophile from the 1960s to March, 2003, scanned in full: https://worldradiohistory.com/Archive-All-Audio/Stereophile/

Hoping this can become a master thread for those seeking to use the set of filters you develop using REW (Room EQ Wizard) in Audirvana, in my case, for MacOS. I suppose the AU NBand Equalizer is the best option among the effects. Are there any instructions available? As a fallback I can...

I have a multiroom setup with a chromecast device feeding the amplifier for each room. Running on MacOS. I tried setting the "Cast Desktop" option in Chrome but I get a "device not supported" message; casting from a tab or a file is no problem but that doesn't include REW's output (yet). Output...

Ok, time for a shameless plug and request: My dad, (now 88 years old and in hospice), invented the toy Lite-Brite. Today it was named as a Finalist for the National Toy Hall of Fame! There's a voting component of the selection of the final inductees. You can vote once every day through...

Interesting discussions of pro v home, measurements of electronics, speaker quality. Good stuff IMO. https://www.psaudio.com/article/pat-quilter-sound-reinforcement-and-amp-guru-part-two/

I need to buy three zones (so six channels, total) of clean power, at least 100 WPC into 8 ohms . The Monoprice Unity amp is 150 WPC into 8 ohms and is priced at $125 per channel. https://www.monoprice.com/product?p_id=31027 Does anybody know what modules it uses and/or legit specs? Are there...

I love live music, I bet you do too. Even though I would like my home system to replicate that experience, my system seems to be missing something. So here go some questions for you: Part 1: Is that "Live" sound a key reference against which an ambitious system should be judged? Part 2: How is...