Find Solutions for Different Speaker Designs in Voice Coil September 2021

In Voice Coil September 2021, Vance Dickason writes about DSP crossovers from Danville Signal, Joe Hayes (Vastigo) writes about the DaS AuReality patented 3D loudspeaker technology, and Mike Klasco finds speaker-related technologies that help support smart speaker design efforts. This edition's Test Bench characterizes three new 25mm high-frequency tweeters from BlieSMa, using silk, beryllium, and diamond domes: BlieSMa’s T25S-6, T25B-6, and T25D-6.

Celebrating 50 years of The Audio Amateur - the publishing company that started it all for us - and 20 years of audioXpress, we begin 2021 with a great - and expanded - edition. We discuss market and technology trends in Speakers and Transducers, a new MEMS transducer topology for wireless earbuds, and the latest innovations in haptic drivers and transducers. Perry Marshall details his unique dipoles speaker project, and renowned tube expert Menno van der Veen explains all the secrets of the latest Vanderveen Trans-SE10 amplifier. Now available in print and digital

During a special event promoted to announce a new generation of Amazon Alexa products, technologies and solutions, Amazon introduced an all-new line-up of Echo devices to expand its Alexa voice assistant ecosystem in the home and now also on-the-go. The all-new Echo Buds, using ANC technology licensed from Bose, join the Echo Auto as another option to take Alexa outside the home. The new Echo speakers also include the Echo Studio, engineered in collaboration with Dolby and supporting HRA and immersive audio reproduction.