Down4Sound TCX10D1

2x1Ω
2x2Ω

Subwoofer

Nominal diameter10″ / 275 mm
Resonance40 Hz
Q factor0.41
Sensitivity91 dB
Linear excursion± 33 mm
Program Power5400 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 91dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 40Hz
  • Mechanical quality factor QMS 3.59
  • Electrical quality factor QES 0.46
  • Total quality factor QTS 0.41

Large signal parameters

  • Maximum linear excursion (one way) xmax 33mm
  • Air volume displaced at xmax VD 3743cm³
  • Power handling P 2700W
  • Program power Pmax 5400W

Voice Coil

  • Nominal impedance Z 2 x 1Ω
  • DC resistance (in series) RE 1.8Ω
  • Inductance (1kHz, in series, estimated) LE 2.26mH
  • Winding material Aluminum
  • Former material Anodized Aluminum

Magnet

  • Force factor (in series) Bl 20.5N/A
  • Motor constant Bl/√RE 15.3N/√W
  • Diameter 240mm
  • Material Y35 Ferrite

Diaphragm

  • Effective diameter 380mm
  • Effective area SD 1134cm²
  • Moving mass MMS 431g
  • Moving mass (without air load) MMD 425g
  • Material Carbon Fiber

Suspensions

  • Stiffness KMS 27.2N/mm
  • Compliance CMS 36.8µm/N
  • Equivalent volume to the compliance VAS 6.89L
  • Mechanical resistance RMS 30.2N·s/m
  • Surround material High-roll, stitched
  • Spider material Triple

Dimensions

  • Nominal diameter 10
  • 275mm
  • Overall diameter 275mm
  • Baffle cutout diameter 261mm
  • Mounting depth 292mm
  • Volume occupied by the driver (estimated) 1.9L

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