Test Bench: The Excel 29mm T29X001 Home Audio Tweeter from SEAS

The SEAS T29X001 tweeter, from the company's high-end Excel line of transducers, is a wide surround format type, like the original Vifa DX/XT tweeters, and combines the latest Composite Sound metamodal thin-ply carbon diaphragm (TPCD) technology with the seriously outstanding SEAS Excel radially charged Hexadym motor structure. This new tweeter makes the Norwegian manufacturer effectively the first company in the market to offer the latest metamodal TPCD diaphragm solution.

The February 2024 issue of Voice Coil is now available, and it includes a major resource for all speaker designers and manufacturers, which is our annual Loudspeaker Cone and Dome Manufacturers Directory. In Test Bench, you can find characterizations of the new SEAS Excel T29X001 home audio tweeter, the first transducer to incorporate Composite Sounds' TPCD metamodal technology. The second driver in Test Bench is Eighteen Sound's latest 8NTLS2000 8" high-power handling woofer, for professional audio applications.

This SEAS Excel Midwoofer is one the most highly inventive and innovative out-of-box Hexadym Motor designs from the Norwegian company. In this article, Vance Dickason details all that is unique in this midwoofer design and its historical motivations, helping to solve the problem of reflections off the motor system and frame of a woofer back into the cone. A fascinating exploration with complete measurements. This article was originally published in Voice Coil, July 2022.

The July 2022 issue of Voice Coil offers important resources for the industry with a focus on Adhesives, Coatings and Treatments. Mike Klasco writes about New Thin-Film Technologies for Coatings and Treatments. James Croft returns with a fresh review of a Mayht patent. And Vance Dickason characterizes the recent 38WE/8582T00 15” Ellipticor woofer from Scan-Speak, and explores the historical relevance of the SEAS W15CH001 5.25" Excel Midwoofer and its Hexadym Motor design.

SEAS just announced that it is launching the new E0101-04 Dark Diamond tweeter, in direct response to market interest. With its beautifully precision machined, black anodized aluminum faceplate, which is horn loaded for a smooth frequency response, maximum stability and smooth appearance, the Dark Diamond essentially follows the improvements implemented to the renowned White Diamond tweeter, which the company states, represent "the ultimate sound reproduction quality at high frequencies, flawless, clean, uncolored and natural."