DS18 SRW12.4
4Ω
2x4ΩShallow Subwoofer
| Nominal diameter | 12″ / 316 mm |
| Resonance | 53 Hz |
| Q factor | 0.89 |
| Sensitivity | 88.3 dB |
| Program Power | 440 W |
.webp)
.webp)
.webp)
Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 88.3dB
- Frequency response 25 - 250Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 53Hz
- Mechanical quality factor QMS 4.23
- Electrical quality factor QES 1.13
- Total quality factor QTS 0.89
Large signal parameters
- Power handling P 220W
- Program power Pmax 440W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.6Ω
- Inductance (1kHz) LE 1.09mH
- VC Diameter 50.8mm
- Winding material SV
- Former material Aluminum
Magnet
- Force factor Bl 11.9N/A
- Motor constant Bl/√RE 6.28N/√W
- Diameter 140mm
- Weight 1.276kg
- Material Ferrite
Diaphragm
- Effective diameter 260mm
- Effective area SD 531cm²
- Moving mass MMS 133g
- Moving mass (without air load) MMD 124g
- Material Paper
Suspensions
- Stiffness KMS 14.9N/mm
- Compliance CMS 67µm/N
- Equivalent volume to the compliance VAS 26.6L
- Mechanical resistance RMS 10.5N·s/m
- Surround material Rubber
Dimensions
- Nominal diameter 12″
- 316mm
- Overall diameter 316mm
- Baffle cutout diameter 279mm
- Overall depth 105mm
- Flange thickness 15mm
- Mounting depth 90mm
- Volume occupied by the driver 2.12L
- Frame material Steel
.jpg)
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
Amplion.webp.webp)
.webp.webp)
.webp.webp)