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發表於 2020-2-19 10:40:30
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ZELLATON LOUDSPEAKER
Manuel Podszus' passion for music reproduction true to the original runs in his blood - early on he developed loudspeakers with the well-known hard foam membrane "Podszus-Zellaton" by Görlich. Since no suitable tweeter was available, he began to experiment with the technology of his grandfather Dr. Emil Podszus and to bake diaphragms. However, developing a tweeter with hard foam technology proved to be more challenging than expected. Decades would pass before all technical problems were solved. The membrane had to weigh significantly less than 0.2 grams, still work without partial vibration and of course be stable enough. Only pure iron was considered as the magnetic material in order to achieve a field strength of approx. 20,000 Gauss. Countless materials, shapes, geometries, sizes and coatings were tested and continuously optimized for centering and beading. At the same time the further development of the other sizes up to the 300 bass began; those also had to work as perfectly as possible down to the last detail. By varying the magnetic field strength, the spring stiffness of the centerings, the wire strength of the voice coils, the adhesives used, the bubble size in the diaphragms, etc., including some well-kept company secrets, we were able to achieve this and achieved numerous improvements. Several containers filled with disassembled loudspeakers testify to the unbelievable effort that has been made to this day. But in the end, it was all worth it – enjoy pure music with Zellaton.
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