| Nominal diameter | 12″ / 320 mm |
| Resonance | 33 Hz |
| Q factor | 0.70 |
| Sensitivity | 83.8 dB |
| Program Power | 1600 W |
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 83.8dB
- Frequency response 20 - 600Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 33Hz
- Mechanical quality factor QMS 4.83
- Electrical quality factor QES 0.82
- Total quality factor QTS 0.70
Large signal parameters
- Power handling P 800W
- Program power Pmax 1600W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 3.0Ω
- Inductance (1kHz, in series) LE 2.94mH
- VC Diameter 63.5mm
- Winding material Copper
- Former material Aluminum
Magnet
- Force factor (in series) Bl 14N/A
- Motor constant Bl/√RE 8.08N/√W
- Diameter 160mm
- Weight 1.758kg
- Material Ferrite
Diaphragm
- Effective diameter 251mm
- Effective area SD 495cm²
- Moving mass MMS 262g
- Moving mass (without air load) MMD 253g
- Material Paper
Suspensions
- Stiffness KMS 9.42N/mm
- Compliance CMS 106µm/N
- Equivalent volume to the compliance VAS 38L
- Mechanical resistance RMS 11.2N·s/m
- Surround material Stitched Rubber
Dimensions
- Nominal diameter 12″
- 320mm
- Overall diameter 320mm
- Baffle cutout diameter 274mm
- Overall depth 129mm
- Flange thickness 19mm
- Mounting depth 110mm
- Volume occupied by the driver 0.93L
- Frame material Aluminium
Similar subwoofers to DS18 IXS12.2D
PowerBass 3XL-1210D2 x 1 Ω |
|---|
| 12″ Subwoofer |
| fS | 30.3 Hz |
| SD | 531 cm² |
| 25 - 450 Hz |
| QTS | 0.40 |
| xmax | 24 mm |
| SPL1W | 84.4 dB |
| Bl/√RE | 9.08 |
| Pmax | 2000 W |
Pride M9.12 S11 Ω |
|---|
| 12″ Subwoofer |
| fS | 32.8 Hz |
| SD | 465 cm² |
|
| QTS | 0.61 |
| xmax | 17 mm |
| SPL1W | 83.5 dB |
| Bl/√RE | 8.38 |
| Pmax | 1800 W |
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