accuton S220-6-222
Woofer
8.5″ / 220 mm
Nominal diameter
25 Hz
Resonance
0.26
Q factor
89 dB
Sensitivity
± 5.25 mm
Linear excursion
300 W
Program Power
![accuton S220-6-222 Woofer](/accuton/S220-6-222/accuton_S220-6-222_(Photo_1).png)
![accuton S220-6-222 Woofer](/accuton/S220-6-222/accuton_S220-6-222_(Photo_2).png)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 88.8
- dB
- Resonance frequency (free air)
- fS
- 25.0
- Hz
- Mechanical quality factor
- QMS
- 3.83
- Electrical quality factor
- QES
- 0.27
- Total quality factor
- QTS
- 0.26
- Maximum linear excursion
- xmax
- 5.25
- mm
- Air volume displaced at xmax
- VD
- 118
- cm³
- Power handling
- P
- 150
- W
- Program power
- Pmax
- 300
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.5
- Ω
- Inductance (1kHz)
- LE
- 0.36
- mH
- VC Diameter
- 55
- mm
- Winding material
- Copper
- Former material
- Titanium
- Force factor
- Bl
- 10.95
- N/A
- Motor constant
- Bl/√RE
- 4.29
- N/√W
- Diameter
- 120
- mm
- Height
- 50
- mm
- Effective diameter
- 169
- mm
- Effective area
- SD
- 224
- cm²
- Moving mass
- MMS
- 32.2
- g
- Moving mass (without air load)
- MMD
- 29.6
- g
- Stiffness
- KMS
- 0.79
- N/mm
- Compliance
- CMS
- 1260
- µm/N
- Equivalent volume to the compliance
- VAS
- 89.7
- L
- Mechanical resistance
- RMS
- 1.32
- N·s/m
- Nominal diameter
- 8.5
- ″
- 220
- mm
- Overall diameter
- 220
- mm
- Baffle cutout diameter
- 191
- mm
- Overall depth
- 113
- mm
- Flange thickness
- 9
- mm
- Mounting depth
- 104
- mm
- Volume occupied by the driver (estimated)
- 1.1
- L
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![accuton S220-6-222 Impedance](/accuton/S220-6-222/accuton_S220-6-222_(Impedance).png)
![accuton S220-6-222 SPL](/accuton/S220-6-222/accuton_S220-6-222_(Frequency_response).png)
![accuton S220-6-222 Dimensions](/accuton/S220-6-222/accuton_S220-6-222_(Dimensions).png)
Export this driver to a simulation software:
![WinISD](/images/export/WinISD.png)
![Basta!](/images/export/Basta.png)
![Hornresp](/images/export/Hornresp.png)
![QSpeakers](/images/export/QSpeakers.png)
![SpeakerSim](/images/export/SpeakerSim.png)
![MfbLabs](/images/export/MfbLabs.png)
![Speakerbench](/images/export/Speakerbench.png)