Scan-Speak Revelator 22W/8851T00

Woofer

Nominal diameter8″ / 220 mm
Resonance21 Hz
Q factor0.25
Sensitivity88.1 dB
Linear excursion± 9 mm
Program Power200 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 88.1dB
  • Frequency response 21 - 3000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 21Hz
  • Mechanical quality factor QMS 5.10
  • Electrical quality factor QES 0.26
  • Total quality factor QTS 0.25

Large signal parameters

  • Maximum linear excursion xmax 9mm
  • Maximum excursion before damage xlim 14mm
  • Air volume displaced at xmax VD 198cm³
  • Power handling P 80W
  • Program power Pmax 200W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.2Ω
  • Inductance (1kHz, estimated) LE 1.35mH
  • VC Diameter 50mm
  • Winding height HVC 24mm

Magnet

  • Force factor Bl 9.9N/A
  • Motor constant Bl/√RE 3.98N/√W
  • Air gap height HAG 6mm
  • Material Ferrite

Diaphragm

  • Effective diameter 167mm
  • Effective area SD 220cm²
  • Moving mass MMS 31g
  • Moving mass (without air load) MMD 28.5g
  • Material Rigid Paper

Suspensions

  • Stiffness KMS 0.541N/mm
  • Compliance CMS 1850µm/N
  • Equivalent volume to the compliance VAS 126L
  • Mechanical resistance RMS 0.8N·s/m
  • Surround material SBR Rubber

Dimensions

  • Nominal diameter 8
  • 220mm
  • Volume occupied by the driver 1.04L
  • Net weight 3.6kg
  • Frame material Die cast Aluminium
Scan-Speak 22W/8851T00 SPL & Impedance
Scan-Speak 22W/8851T00 Dimensions

Similar woofers to Scan-Speak 22W/8851T00

Scan-Speak 28W/4878T01 Woofer

Scan-Speak 28W/4878T01

4 Ω
12 Woofer
fS23 Hz
SD363 cm²
23 - 1000 Hz
QTS0.26
xmax7 mm
SPL1W88.4 dB
Bl/√RE6.82
Pmax500 W
Scan-Speak 22W/4851T00 Woofer

Scan-Speak 22W/4851T00

4 Ω
8 Woofer
fS21 Hz
SD220 cm²
21 - 3000 Hz
QTS0.22
xmax9 mm
SPL1W88.3 dB
Bl/√RE4.26
Pmax200 W
Aurum Cantus AC-200MK2 Woofer

Aurum Cantus AC-200MK2

8 Ω
8 Woofer
fS25 Hz
SD220 cm²
25 - 3500 Hz
QTS0.23
xmax8 mm
SPL1W88.7 dB
Bl/√RE4.01
Pmax300 W