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    Does a lot of damping material have any negative effects in a closed box?

    Hello, from my experience a lot of midrange and bass enclosures sound much better with a lot of damping material in it. I often use very dense material for the walls and stuff a lot of usual material in the box so that it is very compressed with the exception directly behind the driver. The...
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    Amphion Krypton 3X

    Hello, the Amphion Krypton 3 were updated to Krypton 3X. Cardioid midrange and deeper waveguide they change the tweeter, $12,000 per piece an interesting speaker. https://amphion.fi/news/amphion-krypton3x-the-updated-3-way-flagship-loudspeaker/ https://amphion.fi/products/krypton3x/
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    Stereo loudspeaker: elevation differentiation of instrumental images?

    Hello, is someone aware of this paper: "3D imaging in two-channel stereo sound: Portrayal of elevation" https://www.sciencedirect.com/science/article/abs/pii/S0003682X20309166#preview-section-references "... it was proven through psychoacoustic testing that elevation differentiation of...
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    EASE GLL file database

    Hello, EDIT: EASE is a software for acoustic simulation. It has a file format where speaker measurement are included .GLL files and these are used a lot in the PA audio world. https://www.afmg.eu/en/ease-enhanced-acoustic-simulator-engineers There is a free striped down version of EASE, EASE...
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    Small column speaker with cardioid radiation from bass to the mids - Kling & Freitag PIA M - PA speakers lead the way

    Hello, controlled directivity from 150Hz to 20kHz with a slim column speaker, cardioid from the mids to the bass, adjustable high frequency dispersion and lots of headroom. If that sounds interesting to you have a look at the Kling & Freitag PIA M. Homepage...
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    Speaker companies write more white papers

    Hello, I think a lot of companies would profit, if they release a white paper with every new speaker or series. The reviewers and enthusiasts like us will refer to this information and we are the ones who give most of the recommendations, what is worth considering to buy. The more marketing...
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    Heco Aurora 1000 (audioholics review)

    Hello, the HECO Aurora 1000 was reviewed by audioholics with good measurements: review. The price performance seems to be good. Bigger 3 way speaker with two 8" woofers and about 1100€ per pair. HECO Aurora 1000 page Best Thomas
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    Swissonic A305

    Hello, thomann just released a new small studio monitor Swissonic A305 5" woofer 100$ Might be an interesting price performance candidate. Best Thomas
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    New PMC speakers with 2" mid-dome

    Hello, there are some new pmc speaker. The bigger speakers use a new 2" mid-dome. If they are worth the higher price, I don't know. Best Thomas
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    KS-Audio CPD 14 and CPD 18 - I am impressed

    Hello, the KS-Audio / KS-Digital speaker are very interesting especially the CPD 14 and CPD 18. They are perfect for longer listening distances and high spl and provide studio monitor quality. You get 2 x 10"+ 4 x 5"+ 1 3/4" with the CPD 14 or 4 x 10"+ 8 x 5"+ 1 x 3/4" with the CPD 18 and power...
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    The perfect speaker is room dependent - wide vs. narrow directivity and more

    Hello, I want to discuss here the differences of wide and narrow directivity of very good speakers in context with room acoustics and more. One perfect speaker for all rooms. I don't think so. On conclusion of the research at of @Floyd Toole and others are that a good speaker sounds good in...
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