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The Tang Band W6‑2144 is a 16.51cm (6.5") full-range speaker designed to ensure extended and coherent restitution from single transducer. It delivers 89dB sensitivity (1W/1m) with Qts of 0.45, leveraging underhung motor architecture combined with ferrite magnet and aluminium phase plug to stabilize magnetic field and control dispersion in upper spectrum. This configuration effectively reduces second and third-order harmonic distortion, guaranteeing linear behaviour even at sustained level.
Intended for full-range enclosures and minimalist configurations seeking phase coherence, it combines bamboo fibre paper diaphragm with structured Santoprene elastomer suspension, enabling combination of lightness, rigidity and controlled damping. This approach extends to controlled transient response and mechanical stability across entire useful travel, facilitating integration in both bass-reflex and acoustic line loading while maintaining homogeneous restitution across exploited spectrum.

Technical characteristics
| Specifications | |
|---|---|
| Product type | Full-range speaker |
| Nominal diameter | Ø16.51cm (6.5") |
| Power | RMS : 35W Max : 70W |
| Impedance | 8Ω |
| Frequency response | 45Hz-20kHz |
| Sensitivity | 89dB |
| Voice coil diameter | 38.5mm |
| Thiele & Small Parameters | |
|---|---|
| Resonance frequency (fS) | 45Hz |
| DC resistance (RE) | 6.8Ω |
| Electrical quality factor (QES) | 0.62 |
| Mechanical quality factor (QMS) | 1.73 |
| Total quality factor (QTS) | 0.45 |
| Equivalent suspension air volume (VAS) | 34.6L |
| Maximum impedance (Zmax) | 28Ω |
| Voice coil inductance (LE) | 0.010mH |
| Force factor (B·l) | 5.45T·m |
| Moving mass (MMD) | 8.98g |
| Diaphragm area (SD) | 0.014m² |
| Maximum linear excursion (Xmax) | 3.0mm |
| Materials | |
|---|---|
| Diaphragm material | Bamboo fibre paper |
| Suspension material | Santoprene |
| Magnet material | Ferrite |
| General | |
|---|---|
| Dimensions | Ø176.5 x 97.5mm |
| Package | Sold individually |
| Speaker Power (W RMS) | 35.0 |
| Speaker Type | Full range |
| Impedance (Ω) | 8 |
| Loudspeaker diameter (mm) | 165.0 |
| Diaphragm type | Paper |
| Efficiency / Sensitivity (dB) | 89.0 |
| Max Linear Excursion (Xmax) (mm) | 3.0 |
| Lowest frequency (Hz) | 45 |
| Highest frequency (Hz) | 20000 |