AV NIRVANA

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The web’s finest destination for all things home theater and two-channel stereo! The site is the creation of several partners – a collection of like-minded enthusiasts and industry professionals that share an undeniable passion for gear, movies, and music – looking to help others create incredible theater and stereo systems. AV NIRVANA is built around a friendly forum environment that’s welcoming to newbies and hardcore audio and videophiles alike, and topped with exclusive professional reviews, event coverage, and industry news. In addition, it serves as Room EQ Wizard’s official help forum and the only place where enthusiasts can download beta versions of REW software. Source

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Scope Consumer
Language English
Country United States of America
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Help please

| AV NIRVANA
This is a near field measurement with umik-1 of my crystal audio thx 10in sub. There is no active crossover. How is possible? What have I done wrong? When I measure sub+speakers with a full freq sweep, I do not get that peak between 100-350Hz. My set up is 2.1, the sub is connected to the preout of a stereo preamp. The near field measurement was done with main speakers on mute (power amp switched off).
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Police Story 4: First Strike (Jackie Chan's Breakout Hits) - 4K Blu-ray Review

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By Michael Scott
| AV NIRVANA
You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser. #1 Police Story 4: First Strike (Jackie Chan's Breakout Hits) Movie: 4K Video: Video: Audio: Extras: Final Score: AV NIRVANA is member and reader-supported. When you purchase an item using our links, we might earn an affiliate commission.
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Feature Request: In Overlay Window "Spectrogram Show slice at Time in ms" add

| AV NIRVANA
#1 Hello I think now the Feature in spectrogram show slice at cursor is best to show the truth and detect bad speaker resonances or do room treatment. with this settings. I think when the overlay also allow the show slice at cursor feature, to compare diffrent measure easy help alot. the spectrogram graphic need not show in overlay. Only a slider to choose the slice time and the time need show. show modal frequency show room modes.
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2. “REW on migrated Windows 11 laptop: SPL offset flipping 30 dB, low SNR.

| AV NIRVANA
Hi , First REW session on a freshly migrated Windows 11 laptop and I'm chasing a low input level / low SNR problem that was present from the very first sweep Setup: Yamaha RX-A1060 (HDMI 8ch out) -> dual subs (AS225SC + PS10), REW 5.40 Beta 129, UMIK-1 with cal file on the standard (non-exclusive) input -- same selection I used for months on the old laptop with clean results (SNR typically 30-42 dB on LFE sweeps).
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Bass Hunters Analysis: Trinnov's Prism and Altitude CI Trailers

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By Todd Anderson, Todd Anderson
| AV NIRVANA
Bass Hunters: Trinnov Prism and Altitude CI Trailers Infrasonic Bass: Atmospheric Bass: LFE Bass: ​ In this episode of Bass Hunters, we analyze two brand-new demo trailers from Trinnov Audio: Altitude CI and Prism. Created by Trinnov's Benoit Munoz and offered as free downloads, these Dolby Atmos demo trailers are designed to showcase immersive audio while delivering impressive bass performance for home theater enthusiasts.
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Bass Hunters Analysis: Trinnov's Prism and Altitude CI Trailers

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By Todd Anderson
| AV NIRVANA
Bass Hunters: Trinnov's "Prism" and "Altitude CI" Trailers Infrasonic Bass: Atmospheric Bass: LFE Bass: ​ In this episode of Bass Hunters, we analyze two brand-new demo trailers from Trinnov Audio: Altitude CI and Prism. Created by Trinnov's Benoit Munoz and offered as free downloads, these Dolby Atmos demo trailers are designed to showcase immersive audio while delivering impressive bass performance for home theater enthusiasts.
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Breaking News From Essence for July 2026

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By Bob Rapoport
| AV NIRVANA
July's Essence Newsletter brings together a little summer reading for audiophiles who still believe better sound starts with better content, better signal paths, and systems worth keeping. I begin with my new Top 10 Blu-ray Concert Reviews on AVNIRVANA, highlighting some of the most enjoyable live concert releases I've covered over the past year, including Pink Floyd, Hall & Oates, Joe Bonamassa, The Rolling Stones, U2, Led Zeppelin, INXS, Jeff Lynne’s ELO, and YES.
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Focal Elevates an Icon with Its New Scala Utopia Evo M

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By Todd Anderson
| AV NIRVANA
(July 2, 2026) Meet the new Scala Utopia Evo M, the latest evolution of a loudspeaker lineage that stretches back to 2008. Succeeding the Scala Utopia Evo introduced in 2017, the Evo M incorporates several of Focal's latest driver technologies from both its professional studio monitors and flagship wireless loudspeakers, representing the most significant update the Scala platform has received in nearly a decade.
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Klipsch Launches Limited Edition "The Odyssey" Bluetooth Speaker

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By Todd Anderson
| AV NIRVANA
(July 1, 2026) Klipsch is taking its partnership with Christopher Nolan's upcoming film, The Odyssey, beyond theaters and into collectors' hands by introducing a limited-edition Bluetooth speaker inspired by Odysseus's legendary sword. Limited to just 2,500 units worldwide, the release transforms one of the company's existing portable speakers into a cinematic collectible that blends rugged styling with the proven performance of Klipsch's Music City Series.
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Dirac’s Most Advanced Room Acoustic Technology is Now Available on PC and Mac

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By Todd Anderson
| AV NIRVANA
(June 30, 2026) Dirac continues to broaden the reach of its room correction technologies, this time by bringing its most advanced acoustic optimization platform to one of the most common components in an audio enthusiast's system: a computer. The company has announced that Dirac Live Active Room Treatment (ART) is now available through Dirac Live Processor, the newly renamed evolution of its Dirac Live Room Correction Suite for PCs and Macs.
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AV NIRVANA Journalists

Anderson, Todd
Edwards, Mike
Scott, Michael