Audio System H 15 EVO

2x2Ω

Subwoofer

Nominal diameter15″ / 396 mm
Resonance34 Hz
Q factor0.62
Sensitivity89.5 dB
Linear excursion± 11 mm
Program Power3000 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 89.5dB
  • Frequency response 24 - 220Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 34Hz
  • Mechanical quality factor QMS 5.38
  • Electrical quality factor QES 0.70
  • Total quality factor QTS 0.62

Large signal parameters

  • Maximum linear excursion (one way) xmax 11mm
  • Air volume displaced at xmax VD 918cm³
  • Power handling P 2500W
  • Program power Pmax 3000W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 3.8Ω
  • Inductance (1kHz, in series, estimated) LE 3.73mH
  • VC Diameter 76.2mm
  • Former material Aluminium

Magnet

  • Force factor (in series) Bl 20.8N/A
  • Motor constant Bl/√RE 10.7N/√W
  • Diameter 226mm

Diaphragm

  • Effective diameter 326mm
  • Effective area SD 835cm²
  • Moving mass MMS 298g
  • Moving mass (without air load) MMD 280g
  • Material Paper

Suspensions

  • Stiffness KMS 16.9N/mm
  • Compliance CMS 59µm/N
  • Equivalent volume to the compliance VAS 51.8L
  • Mechanical resistance RMS 11.8N·s/m
  • Surround material Flexyfoam
  • Spider material Connex

Dimensions

  • Nominal diameter 15
  • 396mm
  • Overall diameter 396mm
  • Baffle cutout diameter 358mm
  • Overall depth 260mm
  • Flange thickness 21mm
  • Mounting depth 239mm
  • Volume occupied by the driver (estimated) 11L
  • Net weight 22.8kg
  • Frame material Aluminium

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