This 30cm Subwoofer has a robust thermal management system, implemented with an Aluminium Bobbin, Closed Yoke Design, and Advanced Airflow Control.
The X-Motif Cap (Injection Moulded Polypropylene) controls resonance frequency and cut away unnecessary high frequency sound to deliver powerful, solid bass.
Key Features
| 300mm Polypropylene Cone (PP Cone) |
| 400 Rated/RMS Input Power |
| High-ridged Two-piece Diaphragm for solid bass |
| X-motif cap Technology for resonance control |
| Single, multi-layered, voice coil. |
| Aluminium bobbin for better thermal conductivity |
| Airflow control for optimal heat radiation |
| Stress controlled spider |
| Push-terminals for easy connection |
| Sealed/Ported installation capability |
Speaker Features
| Speaker Size |
300mm |
| Oversized Dimension |
Yes |
| Speaker Cone Design |
Diamond-Array pattern |
| Magnet Type |
Ferrite |
| Voice-coil |
single, multi-layer voice coil |
| Terminals |
Push Type |
| Spider |
Stress controlled spider |
| Bottom-Yoke |
Fully closed bottom yoke |
| Heat dissipation technology |
Airflow control |
| Installation Capability |
Sealed / Ported |
Speaker/woofer Specifications
| Peak Input Power |
2000W |
| Rated Input Power |
400W |
| Woofer Cone material |
Polypropylene (PP) Cone |
| Centre Cap Type |
x-motif cap |
| Speaker Basket |
Steel |
| Speaker Surround |
Foam |
| Spider Type |
Stress controlled Spider |
| Sensitivity |
85dB/W/m |
| Frequency Response |
29Hz ~ 300Hz |
| Speaker Impedance |
4Ω |
| Dimensions (W x H x D) |
326 x 326 x 155.4mm |
| Mounting Depth |
137mm |
| Mounting Hole Diameter Ø |
280mm |
| Speaker Weight |
4200gr |
Subwoofer Parameters
| Nominal impedance (Z) |
4Ω |
| DC resistance (Re) |
3.7Ω |
| Resonant frequency (FSO) |
24.4Hz |
| Mechanical Q factor (QMS) |
6.79 |
| Electrical Q factor (QES) |
0.52 |
| Total Q factor (QTS) |
0.483 |
| Voice coil inductance (LBM) |
2.04mH |
| Voice coil diameter (d) |
50mm |
| Force factor (BL) |
12.9T/m |
| Peak excursion Xmax |
5.9mm |
| Moving mass (MMS) |
152gr. |
| Volume acoustic compliance (VAS) |
104liter |
| Piston Area (SD) |
0.0512m² |
| Displacement |
1.2cc |
| Sealed box volume |
35.4liter |
| Sealed Box Dimensions |
457 x 362 x 299mm ( 18mm thick MDF)(WxHxD) |
| Vented box volume |
42.5liter |
| Vented Box Dimensions |
590 x 362 x 394mm ( 18mm thick MDF)(WxHxD) |
| Port dimensions (labyrinth) (W x H x L) |
35 x 324 x 736mm |
