D.A.S. Audio 15P

Low frequency

Nominal diameter15″ / 381 mm
Resonance40 Hz
Q factor0.42
Sensitivity97 dB
Linear excursion± 6 mm
Program Power800 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
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 97dB
  • Frequency response 30 - 4000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 40Hz
  • Mechanical quality factor QMS 6.85
  • Electrical quality factor QES 0.45
  • Total quality factor QTS 0.42

Large signal parameters

  • Maximum linear excursion xmax 6mm
  • Maximum excursion before damage xlim 11mm
  • Air volume displaced at xmax VD 516cm³
  • Power handling P 400W
  • Program power Pmax 800W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.4Ω
  • Inductance (1kHz, estimated) LE 2.4mH
  • VC Diameter 77mm
  • Winding height HVC 15mm
  • Winding material Copper
  • Former material Glass Fibre Reinforced Polymer

Magnet

  • Force factor Bl 15.9N/A
  • Motor constant Bl/√RE 6.29N/√W
  • Air gap height HAG 7mm
  • Material Ferrite

Diaphragm

  • Effective diameter 331mm
  • Effective area SD 860cm²
  • Moving mass MMS 70g
  • Moving mass (without air load) MMD 52.8g

Suspensions

  • Stiffness KMS 4.51N/mm
  • Compliance CMS 222µm/N
  • Equivalent volume to the compliance VAS 233L
  • Mechanical resistance RMS 2.57N·s/m
  • Surround material Polycotton
  • Spider material Polycotton

Dimensions

  • Nominal diameter 15
  • 381mm
  • Baffle cutout diameter 359mm
  • Volume occupied by the driver (estimated) 4.3L
  • Frame material Injected Aluminum
D.A.S. Audio 15P Impedance
D.A.S. Audio 15P SPL
D.A.S. Audio 15P Distortion


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