accuton C168-6-990

Mid-range

Nominal diameter6.5″ / 168 mm
Resonance55 Hz
Q factor0.21
Sensitivity91.2 dB
Linear excursion± 3 mm
Program Power240 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 91.2dB
  • Frequency response 200 - 6000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 55Hz
  • Mechanical quality factor QMS 4.76
  • Electrical quality factor QES 0.22
  • Total quality factor QTS 0.21

Large signal parameters

  • Maximum linear excursion xmax 3mm
  • Air volume displaced at xmax VD 35cm³
  • Power handling P 120W
  • Program power Pmax 240W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.4Ω
  • Inductance (1kHz) LE 0.06mH
  • VC Diameter 114mm
  • Winding material Copper
  • Former material Titanium

Magnet

  • Force factor Bl 11.7N/A
  • Motor constant Bl/√RE 5.02N/√W
  • Diameter 146mm
  • Height 28mm

Diaphragm

  • Effective diameter 123mm
  • Effective area SD 118cm²
  • Moving mass MMS 16.1g
  • Moving mass (without air load) MMD 15.1g
  • Material Ceramic

Suspensions

  • Stiffness KMS 1.92N/mm
  • Compliance CMS 520µm/N
  • Equivalent volume to the compliance VAS 10.3L
  • Mechanical resistance RMS 1.17N·s/m

Dimensions

  • Nominal diameter 6.5
  • 168mm
  • Baffle cutout diameter 147mm
  • Overall depth 56mm
  • Flange thickness 6mm
  • Mounting depth 50mm
  • Volume occupied by the driver (estimated) 0.23L
accuton C168-6-990 Impedance
accuton C168-6-990 SPL
accuton C168-6-990 Distortion
accuton C168-6-990 Dimensions

Similar speaker drivers to accuton C168-6-990

B&C Speaker 5FCX44 Coaxial

B&C Speaker 5FCX44

8 Ω
5 Coaxial
fS61 Hz
SD95 cm²
60 - 18000 Hz
QTS0.25
xmax5 mm
SPL1W90.1 dB
Bl/√RE4.44
Pmax200 W
Scan-Speak 15W/4434G00 Mid Bass

Scan-Speak 15W/4434G00

4 Ω
6 Mid Bass
fS43 Hz
SD80 cm²
43 - 8000 Hz
QTS0.21
xmax4.3 mm
SPL1W88.3 dB
Bl/√RE3.41
Pmax120 W
Tang Band W6-1559S Woofer

Tang Band W6-1559S

8 Ω
6.5 Woofer
fS45 Hz
SD140 cm²
45 - 4000 Hz
QTS0.24
xmax5.5 mm
SPL1W88.9 dB
Bl/√RE5.34
Pmax100 W