GRS 12PR-8
8Ω
Woofer
| Nominal diameter | 12″ / 303 mm |
| Resonance | 30 Hz |
| Q factor | 1.06 |
| Sensitivity | 85.8 dB |
| Linear excursion | ± 3.5 mm |
| Program power | 200 W |
.jpg)
.jpg)
.jpg)
Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 85.8dB
- Frequency response 30 - 3000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 30Hz
- Mechanical quality factor QMS 3.18
- Electrical quality factor QES 1.58
- Total quality factor QTS 1.06
Large signal parameters
- Maximum linear excursion (one way) xmax 3.5mm
- Air volume displaced at xmax VD 183cm³
- Power handling P 100W
- Program power Pmax 200W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 7.2Ω
- Inductance (1kHz) LE 1.4mH
- VC Diameter 51mm
Magnet
- Force factor Bl 9.2N/A
- Motor constant Bl/√RE 3.43N/√W
- Diameter 120mm
- Height 20mm
- Material Ceramic ferrite
Diaphragm
- Effective diameter 258mm
- Effective area SD 524cm²
- Moving mass (including air load) MMS 100g
- Moving mass MMD 91.7g
- Material Polypropylene
Suspensions
- Stiffness KMS 3.45N/mm
- Compliance CMS 290µm/N
- Equivalent volume to the compliance VAS 113L
- Mechanical resistance RMS 5.93N·s/m
- Surround material Butyl rubber
Dimensions
- Nominal diameter 12″
- 303mm
- Overall diameter 303mm
- Baffle cutout diameter 277mm
- Overall depth 125mm
- Flange thickness 10mm
- Mounting depth 115mm
- Volume occupied by the driver (estimated) 1.9L
.webp)
.webp)
.webp)
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
Amplion.jpg.webp)
.jpg.webp)
.jpg.webp)
.jpg.webp)