/topics/supravox/ Recent content in Supravox on Decades of Musings on HiFi Hugo en Mon, 12 Oct 2026 00:00:00 +0000 /designs/transparence-loudspeaker/ Mon, 12 Oct 2026 00:00:00 +0000 /designs/transparence-loudspeaker/ <p>The Transparence is an open-baffle (dipole) loudspeaker. Each speaker is a single 215 mm <a href="https://supravox.fr/en/products/215-signature-bi-cone-35w-94-5db-8-ohms">Supravox 215 Signature Bi-Cône</a> full-range driver mounted on a clear acrylic baffle, with no crossover. It began in 2003 as a DIY project and was then built commercially: ten pairs were made.</p> <p><figure class="fig"><a href="transparence-dimensions.jpg"><img src="transparence-dimensions.jpg" alt="Photograph: a clear acrylic baffle on an aluminium stand, with the driver behind it. Arrows mark the width and height of the panel and the position of the driver centre." loading="lazy"></a><figcaption>Panel size and the calculated position of the driver centre (377 mm from the outer edge, 659 mm above the bottom edge), drawn onto a photograph from the AnandTech review (photo: AnandTech; see below). The arrows are indicative, not measured from the photograph: perspective applies, and the panel stands in front of the stand and driver. </figcaption></figure> </p>