GRS 15PF-8

8Ω

Woofer

Nominal diameter	15″ / 383 mm
Resonance	30 Hz
Q factor	1.43
Sensitivity	90.2 dB
Linear excursion	± 4 mm
Program power	300 W

GRS 15PF-8 Woofer

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 90.2dB
Frequency response 25 - 4000Hz

Thiele & Small parameters

Resonance frequency (free air) fS 30Hz
Mechanical quality factor QMS 5.75
Electrical quality factor QES 1.91
Total quality factor QTS 1.43

Large signal parameters

Maximum linear excursion (one way) xmax 4mm
Air volume displaced at xmax VD 330cm³
Power handling P 150W
Program power Pmax 300W

Voice Coil

Nominal impedance Z 8Ω
DC resistance RE 7.3Ω
Inductance (1kHz) LE 1.3mH
VC Diameter 38mm

Magnet

Force factor Bl 9.3N/A
Motor constant Bl/√RE 3.44N/√W
Diameter 140mm

Diaphragm

Effective diameter 324mm
Effective area SD 826cm²
Moving mass (including air load) MMS 119g
Moving mass MMD 103g
Material Poly-laminated paper

Suspensions

Stiffness KMS 4.35N/mm
Compliance CMS 230µm/N
Equivalent volume to the compliance VAS 224L
Mechanical resistance RMS 3.91N·s/m
Surround material Treated foam

Dimensions

Nominal diameter 15″
383mm
Overall diameter 383mm
Baffle cutout diameter 353mm
Overall depth 140mm
Flange thickness 12mm
Mounting depth 128mm
Volume occupied by the driver (estimated) 3.1L

GRS 15PF-8 SPL

GRS 15PF-8 Dimensions

Export this driver to a box design software:

Closed Box Simulator·

Similar speaker drivers:

Goldwood GW-215/4 Woofer

Goldwood GW-215/4 4 Ω
15″ Woofer
fS	29.6 Hz
SD	823 cm²
22 - 3000 Hz
QTS	1.86
xmax	3.5 mm
SPL1W	91.9 dB
Bl/√RE	2.67
Pmax	250 W

GRS RSRMO-8 Woofer

GRS RSRMO-8 8 Ω
15″ Woofer
fS	27.6 Hz
SD	778 cm²
22 - 1200 Hz
QTS	0.72
xmax	2.3 mm
SPL1W	89.9 dB
Bl/√RE	4.71
Pmax	250 W

SB Audience NERO-15OBN450D Subwoofer

SB Audience NERO-15OBN450D 8 Ω
15″ Subwoofer
fS	25 Hz
SD	866 cm²
25 - 3800 Hz
QTS	0.80
xmax	16 mm
SPL1W	89.2 dB
Bl/√RE	4.78
Pmax	900 W

GRS 12PR-8 Woofer

GRS 12PR-8 8 Ω
12″ Woofer
fS	30 Hz
SD	524 cm²
30 - 3000 Hz
QTS	1.06
xmax	3.5 mm
SPL1W	85.8 dB
Bl/√RE	3.43
Pmax	200 W