Image Dynamics IDQS10D4

2x2Ω
2x4Ω

Shallow Subwoofer

Nominal diameter10″ / 254 mm
Resonance50 Hz
Q factor1.02
Sensitivity84.7 dB
Linear excursion± 7.5 mm
Program power350 W
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 84.7dB
  • Frequency response 50 - 500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 50Hz
  • Mechanical quality factor QMS 6.23
  • Electrical quality factor QES 1.22
  • Total quality factor QTS 1.02

Large signal parameters

  • Maximum linear excursion (one way) xmax 7.5mm
  • Air volume displaced at xmax VD 293cm³
  • Power handling P 200W
  • Program power Pmax 350W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 7.6Ω
  • Inductance (1kHz, in series) LE 1.36mH
  • VC Diameter 50.8mm
  • Winding height HVC 25mm
  • Winding material Copper
  • Former material Kapton

Magnet

  • Force factor (in series) Bl 17.6N/A
  • Motor constant Bl/√RE 6.37N/√W
  • Air gap height HAG 10mm
  • Weight 1.218kg

Diaphragm

  • Effective diameter 223mm
  • Effective area SD 391cm²
  • Moving mass (including air load) MMS 160g
  • Moving mass MMD 155g
  • Material Poly/Mica

Suspensions

  • Stiffness KMS 15.2N/mm
  • Compliance CMS 65.7µm/N
  • Equivalent volume to the compliance VAS 14.2L
  • Mechanical resistance RMS 8.05N·s/m
  • Surround material Santoprene
  • Spider material Nomex

Dimensions

  • Nominal diameter 10
  • 254mm
  • Baffle cutout diameter 243mm
  • Mounting depth 89mm
  • Volume occupied by the driver 0.05L
  • Net weight 1.216kg

Similar speaker drivers to Image Dynamics IDQS10D4

Image Dynamics IDQS10D2 Shallow Subwoofer

Image Dynamics IDQS10D2

2 x 2 Ω
10Shallow Subwoofer
fS50 Hz
SD391 cm²
50 - 500 Hz
QTS0.96
xmax7.5 mm
SPL1W85.2 dB
Bl/√RE6.43
Pmax350 W
VIBE Audio BD12D2SPL-V4 Subwoofer

VIBE Audio BD12D2SPL-V4

2 x 2 Ω
12Subwoofer
fS39.7 Hz
SD452 cm²
15 - 850 Hz
QTS0.69
xmax25 mm
SPL1W84.8 dB
Bl/√RE8.93
Pmax6000 W
Rockford Fosgate T1S2-10 Shallow Subwoofer

Rockford Fosgate T1S2-10

2 Ω
10Shallow Subwoofer
fS43.5 Hz
SD356 cm²
QTS1.04
xmax15 mm
SPL1W83.2 dB
Bl/√RE6.56
Pmax1000 W