Audio System R 12 EVO
2x4Ω
Subwoofer
| Nominal diameter | 12″ / 317 mm |
| Resonance | 34.9 Hz |
| Q factor | 0.53 |
| Sensitivity | 86.1 dB |
| Linear excursion | ± 13 mm |
| Program Power | 1000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.1dB
- Frequency response 30 - 100Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 34.9Hz
- Mechanical quality factor QMS 6.09
- Electrical quality factor QES 0.58
- Total quality factor QTS 0.53
Large signal parameters
- Maximum linear excursion (one way) xmax 13mm
- Air volume displaced at xmax VD 663cm³
- Power handling P 600W
- Program power Pmax 1000W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.7Ω
- Inductance (1kHz, in series, estimated) LE 5.74mH
- VC Diameter 76.5mm
- Former material Aluminum
Magnet
- Force factor (in series) Bl 25N/A
- Motor constant Bl/√RE 9.67N/√W
- Diameter 170mm
Diaphragm
- Effective diameter 255mm
- Effective area SD 510cm²
- Moving mass MMS 242g
- Moving mass (without air load) MMD 234g
- Material KPC Paper
Suspensions
- Stiffness KMS 11.9N/mm
- Compliance CMS 84µm/N
- Equivalent volume to the compliance VAS 19.9L
- Mechanical resistance RMS 8.71N·s/m
- Surround material Elasthan
- Spider material PPTA Connex
Dimensions
- Nominal diameter 12″
- 317mm
- Overall diameter 317mm
- Baffle cutout diameter 280mm
- Overall depth 164mm
- Flange thickness 16mm
- Mounting depth 148mm
- Volume occupied by the driver (estimated) 3.7L
- Net weight 8.8kg
- Frame material Steel
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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