SB Acoustics SB21SDCN-C000-4 Dome Tweeter

The SB21SDCN-C000-4 Dome Tweeter from SB Acoustics delivers exceptionally clear and detailed high-frequency reproduction, making it an ideal choice for audiophiles and DIY speaker builders alike. Engineered for precision, this 19mm dome tweeter is perfectly suited for integration into two-way or multi-way speaker systems, where it brings life to vocals, cymbals, and intricate instrumental details with remarkable transparency. Whether you are upgrading an existing design or constructing a bespoke loudspeaker from scratch, this unit offers the performance and reliability expected from a brand renowned for its acoustic expertise.

At the heart of the SB21SDCN-C000-4 lies a carefully engineered dome diaphragm, designed to ensure smooth, extended treble response with minimal distortion. With a sensitivity of 90 dB (SPL 1m/2.83V) and a nominal impedance of 4 ohms, it pairs efficiently with a wide range of amplifiers and crossover networks. The tweeter exhibits a resonance frequency (Fs) of 85 Hz, while its total Q factor (Qts) of 1.22—comprising a mechanical Q (Qms) of 2.44 and an electromagnetic Q (Qes) of 2.45—indicates a well-damped, controlled behaviour that integrates seamlessly into acoustic designs. This combination of technical features ensures accurate, fatigue-free listening across a broad soundstage, making the SB21SDCN-C000-4 a superb choice for discerning audio enthusiasts seeking high-fidelity performance.