Dayton Audio Ultimax UM10-22

2x2Ω

Subwoofer

Nominal diameter10″ / 274 mm
Resonance31.9 Hz
Q factor0.72
Sensitivity80.4 dB
Linear excursion± 19 mm
Program power1000 W
Discontinued
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 80.4dB
  • Frequency response 20 - 800Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 31.9Hz
  • Mechanical quality factor QMS 3.02
  • Electrical quality factor QES 0.94
  • Total quality factor QTS 0.72

Large signal parameters

  • Maximum linear excursion (one way) xmax 19mm
  • Air volume displaced at xmax VD 623cm³
  • Power handling P 500W
  • Program power Pmax 1000W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 3.7Ω
  • Inductance (1kHz, in series) LE 0.77mH
  • VC Diameter 63.5mm
  • Winding material Copper
  • Former material Aluminum

Magnet

  • Force factor (in series) Bl 12.3N/A
  • Motor constant Bl/√RE 6.39N/√W
  • Material Ferrite

Diaphragm

  • Effective diameter 204mm
  • Effective area SD 328cm²
  • Moving mass (including air load) MMS 192g
  • Moving mass MMD 187g
  • Material Nomex

Suspensions

  • Stiffness KMS 7.69N/mm
  • Compliance CMS 130µm/N
  • Equivalent volume to the compliance VAS 19.6L
  • Mechanical resistance RMS 12.7N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 10
  • 274mm
  • Overall diameter 274mm
  • Baffle cutout diameter 241mm
  • Overall depth 145mm
  • Volume occupied by the driver (estimated) 2.1L
  • Frame material Cast Aluminium
Dayton Audio UM10-22 Impedance
Dayton Audio UM10-22 SPL
Dayton Audio UM10-22 Dimensions

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