GRS 15PT-8

8Ω

Woofer

Nominal diameter15″ / 381 mm
Resonance28 Hz
Q factor0.41
Sensitivity92 dB
Linear excursion± 6.8 mm
Program power700 W
GRS 15PT-8 WooferGRS 15PT-8 WooferGRS 15PT-8 Woofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
Discard
Apply

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 92dB
  • Frequency response 30 - 6000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 28Hz
  • Mechanical quality factor QMS 11.70
  • Electrical quality factor QES 0.43
  • Total quality factor QTS 0.41

Large signal parameters

  • Maximum linear excursion (one way) xmax 6.8mm
  • Air volume displaced at xmax VD 564cm³
  • Power handling P 350W
  • Program power Pmax 700W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 7.4Ω
  • Inductance (1kHz) LE 2.1mH
  • VC Diameter 76.5mm
  • Winding height HVC 16mm
  • Former material Kapton

Magnet

  • Force factor Bl 20.2N/A
  • Motor constant Bl/√RE 7.43N/√W
  • Air gap height HAG 7mm
  • Diameter 190mm
  • Height 20mm

Diaphragm

  • Effective diameter 325mm
  • Effective area SD 830cm²
  • Moving mass (including air load) MMS 137g
  • Moving mass MMD 120g
  • Material Paper

Suspensions

  • Stiffness KMS 4.17N/mm
  • Compliance CMS 240µm/N
  • Equivalent volume to the compliance VAS 242L
  • Mechanical resistance RMS 2.06N·s/m

Dimensions

  • Nominal diameter 15″
  • 381mm
  • Overall diameter 384mm
  • Baffle cutout diameter 350mm
  • Overall depth 150mm
  • Flange thickness 8mm
  • Mounting depth 142mm
  • Volume occupied by the driver (estimated) 3.4L
Impedance
SPL
GRS 15PT-8 Impedance
GRS 15PT-8 SPL
GRS 15PT-8 Dimensions
PDF fileDatasheet

Export this driver to a box design software:

Closed Box Simulator·Speakerbench logoSpeakerbenchWinISD logoWinISDBasta! logoBasta!Hornresp logoHornrespQSpeakers logoQSpeakersSpeakerSim logoSpeakerSimMfbLabs logoMfbLabsAmplion logoAmplion

Similar speaker drivers:

B&C Speaker 18PS100 Subwoofer

B&C Speaker 18PS100

8 Ω
18″ Subwoofer
fS30 Hz
SD1210 cm²
30 - 1000 Hz
QTS0.39
xmax8 mm
SPL1W94 dB
Bl/√RE9.77
Pmax1400 W
STX W.38.1200.8.MC Subwoofer

STX W.38.1200.8.MC

8 Ω
15″ Subwoofer
fS28 Hz
SD855 cm²
30 - 1000 Hz
QTS0.32
xmax8 mm
SPL1W92.4 dB
Bl/√RE8.94
Pmax1200 W
Eminence DEFINIMAX 4018LF Subwoofer

Eminence DEFINIMAX 4018LF

8 Ω
18″ Subwoofer
fS30 Hz
SD1188 cm²
31 - 200 Hz
QTS0.34
xmax8.6 mm
SPL1W94.3 dB
Bl/√RE10.8
Pmax2400 W
BMS 18N830v² Subwoofer

BMS 18N830v²

8 Ω
18″ Subwoofer
fS31 Hz
SD1212 cm²
20 - 200 Hz
QTS0.37
xmax8 mm
SPL1W94.5 dB
Bl/√RE10.2
Pmax2200 W