SEAS X1-08 EXOTIC F8

Full-range

Nominal diameter8″ / 220 mm
Resonance32 Hz
Q factor0.44
Sensitivity95.3 dB
Linear excursion± 2.1 mm
Program Power100 W
Ω°0102030405060101001 00010 000-180-120-60060120180Electrical ImpedanceElectrical Phase
mm05101520101001 00010 000Diaphragm ExcursionMaximum Linear Excursion
m/s0246810101001 00010 000Diaphragm Velocity
dB60708090100110120101001 00010 000SPL (1W, 1m, on axis)Maximum SPL
°-180-120-60060120180101001 00010 000Acoustical phase (1m, on axis)
ms051015202530101001 00010 000Group Delay (1m, on axis)
00.51-205101520Step response
-1-0.500.51-2010203040Response to a tone burst of Hz with cycles
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 95.3dB
  • Frequency response 30 - 20000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 32Hz
  • Mechanical quality factor QMS 4.20
  • Electrical quality factor QES 0.50
  • Total quality factor QTS 0.44

Large signal parameters

  • Maximum linear excursion xmax 2.1mm
  • Maximum excursion before damage xlim 7mm
  • Air volume displaced at xmax VD 47cm³
  • Power handling P 35W
  • Program power Pmax 100W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.7Ω
  • Inductance (1kHz) LE 0.07mH
  • VC Diameter 26mm
  • Winding height HVC 7.8mm

Magnet

  • Flux density B 0.8T
  • Force factor Bl 5.25N/A
  • Motor constant Bl/√RE 2.2N/√W
  • Air gap height HAG 12mm
  • Weight 0.8kg

Diaphragm

  • Effective diameter 168mm
  • Effective area SD 222cm²
  • Moving mass MMS 10g
  • Moving mass (without air load) MMD 7.5g

Suspensions

  • Stiffness KMS 0.4N/mm
  • Compliance CMS 2500µm/N
  • Equivalent volume to the compliance VAS 143L
  • Mechanical resistance RMS 0.57N·s/m

Dimensions

  • Nominal diameter 8
  • 220mm
  • Volume occupied by the driver (estimated) 1.1L
  • Net weight 2.6kg
SEAS X1-08 EXOTIC F8 SPL & Impedance
SEAS X1-08 EXOTIC F8 Dimensions

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