Test Bench: The 27TFC/T 1" Soft Dome Tweeter from the SEAS Prestige Titan Line

The 27TFC/T is a new 1" (25mm) tweeter featuring a one-piece centenary profile dome and wide surround fabricated from SEAS pre-coated lightweight Sonolex material, both integrated into an injection molded faceplate. The voice coil consists of a non-magnetically conducting titanium former wound with round copper wire. Driving the removable dome assembly is a ferrite magnet with a damped vented pole piece that is coupled to an injection molded rear cavity. This article was originally published in Voice Coil, May 2025.

Voice Coil May 2025 is now available and in this issue, Vance Dickason explores the popular miniDSP Flex HTx processor, while Mike Klasco dives into the world of microspeakers. For this issue's Test Bench, Vance Dickason characterizes his first driver from the new Italian brand RS Speakers, a new TW 104.28 N/Ag 1.1” tweeter, and next measures the 27TFC/T 1” Soft Dome Tweeter from the SEAS Prestige Titan Line.

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."