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The Tang Band W4‑1052SDF is a 10.16cm (4") full-range speaker designed to cover extended spectrum from single transducer, facilitating architectures without complex filtering. It leverages structured polypropylene diaphragm combined with wide temperature-range rubber suspension, enabling stabilization of resonance frequency (F0) despite thermal and mechanical variations. This configuration promotes regular response over time while maintaining predictable behaviour in varied operating environments.
Intended for compact home cinema systems, multimedia installations and embedded integrations, it exploits stamped steel chassis ensuring rigid structure while controlling footprint and integration cost. This approach extends to broad compatibility with different load volumes, enabling integration in both sealed and bass-reflex enclosures while preserving homogeneous restitution suited to versatile daily applications.

Technical characteristics
| Specifications | |
|---|---|
| Product type | Full-range speaker |
| Nominal diameter | Ø10.16cm (4") |
| Power | RMS : 20W Max : 40W |
| Impedance | 4Ω |
| Frequency response | 70Hz-17kHz |
| Sensitivity | 87dB |
| Voice coil diameter | 25.4mm |
| Thiele & Small Parameters | |
|---|---|
| Resonance frequency (fS) | 70Hz |
| DC resistance (RE) | 3.8Ω |
| Electrical quality factor (QES) | 0.46 |
| Mechanical quality factor (QMS) | 4.80 |
| Total quality factor (QTS) | 0.42 |
| Equivalent suspension air volume (VAS) | 5.21L |
| Maximum impedance (Zmax) | 45Ω |
| Voice coil inductance (LE) | 0.077mH |
| Force factor (B·l) | 4.10T·m |
| Moving mass (MMD) | 4.61g |
| Diaphragm area (SD) | 0.0057m² |
| Maximum linear excursion (Xmax) | 2.6mm |
| Materials | |
|---|---|
| Diaphragm material | Structured polypropylene |
| Suspension material | Rubber |
| Magnet material | Ferrite |
| General | |
|---|---|
| Dimensions | Ø116.0 x 64mm |
| Package | Sold individually |
| Speaker Power (W RMS) | 20.0 |
| Speaker Type | Full range |
| Impedance (Ω) | 4 |
| Loudspeaker diameter (mm) | 101.6 |
| Diaphragm type | Polypropylene |
| Efficiency / Sensitivity (dB) | 87.0 |
| Max Linear Excursion (Xmax) (mm) | 2.6 |
| Lowest frequency (Hz) | 70 |
| Highest frequency (Hz) | 17000 |