Stack Audio AUVA 70 speaker isolators

I have reviewed several speaker isolators over the years and they all improved the sound quality. Although using quite different constructions, they all also worked according the spring and damper principle. Recently Stack Audio offered their AUVA 70 for review that work very differently. Contents of this video 00:00 - Introduction 00:25 - Start of program 01:37 - How to use 03:20 - The outside 04:52 - The inside 05:54 - In use 08:08 - How tested #1 09:06 - Sound quality #1 09:47 - How tested #2 10:21 - Sound quality #2 12:00 - The wrap Manufacturer: https://stackaudio.co.uk Relevant link: Roots Turntable Isolation Box: https://www.rootsvinylguide.com/ebay_... Relevant videos: Townshend Seismic Podium:    • Townshend Seismic Podium for loudspeakers   Audio Physic VCF II Magnetic Plus:    • Loudspeaker isolators   IsoAcoustics Gaia II decoupling loudspeaker feet:    • IsoAcoustics Gaia II decoupling loudspeake...   About my reference setups, January 2023:    • About my reference setups January 2023   If you like my work, support it through: My Patreon page:   / thehbchannel   Paypal: https://www.paypal.me/theHBchannel My book:   • File Based Audio aka Streaming Audio V2   My links: My channel:   / @thehansbeekhuyzenchannel   My site: http://www.theHBproject.com/en My Facebook page:   / hansbeekhuyzen   My Twitter:   / hansbeekhuyzen