| Nominal diameter | 12″ / 320 mm |
| Resonance | 35 Hz |
| Q factor | 0.71 |
| Sensitivity | 85.8 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 85.8dB
- Frequency response 20 - 600Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 35Hz
- Mechanical quality factor QMS 4.03
- Electrical quality factor QES 0.86
- Total quality factor QTS 0.71
Large signal parameters
- Power handling P 800W
- Program power Pmax 1600W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 7.5Ω
- Inductance (1kHz, in series) LE 7.07mH
- VC Diameter 63.5mm
- Winding material Copper
- Former material Aluminum
Magnet
- Force factor (in series) Bl 18.8N/A
- Motor constant Bl/√RE 6.85N/√W
- Diameter 156mm
- Weight 0.176kg
- Material Ferrite
Diaphragm
- Effective diameter 253mm
- Effective area SD 503cm²
- Moving mass MMS 184g
- Moving mass (without air load) MMD 176g
- Material Paper
Suspensions
- Stiffness KMS 9.62N/mm
- Compliance CMS 104µm/N
- Equivalent volume to the compliance VAS 37.3L
- Mechanical resistance RMS 10N·s/m
- Surround material Stitched Rubber
Dimensions
- Nominal diameter 12″
- 320mm
- Overall diameter 320mm
- Baffle cutout diameter 274mm
- Overall depth 120mm
- Flange thickness 10mm
- Mounting depth 110mm
- Volume occupied by the driver 0.93L
- Frame material Aluminium
Similar subwoofers to DS18 IXS12.4D
Skar Audio VS-12 D22 x 2 Ω |
|---|
| 12″ Shallow Subwoofer |
| fS | 36 Hz |
| SD | 531 cm² |
|
| QTS | 0.75 |
| xmax | 9.1 mm |
| SPL1W | 85.1 dB |
| Bl/√RE | 7.53 |
| Pmax | 1000 W |
Skar Audio VS-12 D42 x 4 Ω |
|---|
| 12″ Shallow Subwoofer |
| fS | 37 Hz |
| SD | 531 cm² |
|
| QTS | 0.79 |
| xmax | 9.1 mm |
| SPL1W | 85.4 dB |
| Bl/√RE | 6.94 |
| Pmax | 1000 W |
DS18 IXS12.4S4 Ω |
|---|
| 12″ Shallow Subwoofer |
| fS | 35 Hz |
| SD | 502 cm² |
| 20 - 600 Hz |
| QTS | 0.69 |
| |
| SPL1W | 86.2 dB |
| Bl/√RE | 7.05 |
| Pmax | 1600 W |