The design of this driver is built around a Composite Sound Meta‑modal™ (TPCD) diaphragm, a material engineered to deliver an exceptional balance of low mass, high stiffness, and controlled damping. This combination enables remarkably clean, highly detailed sound reproduction with excellent transient precision.

The motor system features precisely machined copper components that reduce distortion and enhance linearity, while a titanium voice‑coil former improves force transfer and minimizes mechanical losses. Together, these elements contribute to a fast, transparent, and highly responsive acoustic performance.

A rigid injection‑molded metal basket maintains perfect alignment of the moving assembly, and the large ventilation openings above and below the spider effectively reduce airflow noise, reflections, and cavity resonances. These engineering choices result in outstanding clarity, low distortion, and a natural, lifelike sonic character suitable for high‑end Hi‑Fi and studio‑grade loudspeaker systems.

SEAS E0117‑08 (W19NX004) is an excellent choice for compact subwoofers, high‑performance two‑way designs, and any application that demands high dynamics, precision, and refined detail.

Nominal impedance [Zn]: 8 Ω
Recommended frequency range: 20…6000 Hz
Resonance frequency [fs]: 33 Hz
Sensitivity [2.83 V⁄1m]: 86 dB
Equivalent volume [Vas]: 33 l
Total Q factor [Qts]: 0.39