Celestion TSQ1535

8Ω

Low frequency

Nominal diameter15″ / 381 mm
Resonance50 Hz
Q factor0.40
Sensitivity95.7 dB
Linear excursion± 8 mm
Program power1800 W
Celestion TSQ1535 Low frequency
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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 95.7dB
  • Frequency response 45 - 3000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 50Hz
  • Mechanical quality factor QMS 4.92
  • Electrical quality factor QES 0.43
  • Total quality factor QTS 0.40

Large signal parameters

  • Maximum linear excursion (one way) xmax 8mm
  • Maximum excursion before damage xlim 22mm
  • Air volume displaced at xmax VD 684cm³
  • Power handling P 900W
  • Program power Pmax 1800W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.2Ω
  • Inductance (1kHz) LE 0.884mH
  • VC Diameter 90mm
  • Winding height HVC 21mm
  • Winding material Copper clad aluminium
  • Former material Glass fibre

Magnet

  • Force factor Bl 20.7N/A
  • Motor constant Bl/√RE 9.06N/√W
  • Air gap height HAG 10mm
  • Material Neodymium

Diaphragm

  • Effective diameter 330mm
  • Effective area SD 855cm²
  • Moving mass (including air load) MMS 112g
  • Moving mass MMD 94.3g
  • Material Glass loaded cellulose

Suspensions

  • Stiffness KMS 11N/mm
  • Compliance CMS 91µm/N
  • Equivalent volume to the compliance VAS 94L
  • Mechanical resistance RMS 7.15N·s/m
  • Surround material Triple roll, cloth sealed

Dimensions

  • Nominal diameter 15″
  • 381mm
  • Overall diameter 393mm
  • Baffle cutout diameter 354mm
  • Overall depth 175mm
  • Flange thickness 12mm
  • Mounting depth 163mm
  • Volume occupied by the driver (estimated) 3.4L
  • Net weight 5.7kg
  • Frame material Cast aluminium
SPL
Force factor
Stiffness
Celestion TSQ1535 SPL
Celestion TSQ1535 Force factor
Celestion TSQ1535 Stiffness
PDF fileDatasheet

Export this driver to a box design software:

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