Scan-Speak Ellipticor 21WE/8542T00
Mid Bass
8″ / 210 mm
Nominal diameter
36 Hz
Resonance
0.38
Q factor
90 dB
Sensitivity
± 7.7 mm
Linear excursion
100 W
Program Power
![Scan-Speak 21WE/8542T00 Mid Bass](/ScanSpeak/21WE-8542T00/ScanSpeak_21WE-8542T00_(Photo_1).jpg)
![Scan-Speak 21WE/8542T00 Mid Bass](/ScanSpeak/21WE-8542T00/ScanSpeak_21WE-8542T00_(Photo_2).jpg)
![Scan-Speak 21WE/8542T00 Mid Bass](/ScanSpeak/21WE-8542T00/ScanSpeak_21WE-8542T00_(Photo_3).jpg)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 89.5
- dB
- Frequency response
- 36 - 6000
- Hz
- Resonance frequency (free air)
- fS
- 36.0
- Hz
- Mechanical quality factor
- QMS
- 6.33
- Electrical quality factor
- QES
- 0.40
- Total quality factor
- QTS
- 0.38
- Maximum linear excursion
- xmax
- 7.7
- mm
- Maximum excursion before damage
- xlim
- 12.0
- mm
- Air volume displaced at xmax
- VD
- 179
- cm³
- Power handling
- P
- 50
- W
- Program power
- Pmax
- 100
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.3
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.66
- mH
- VC Diameter
- 45
- mm
- Winding height
- HVC
- 20.4
- mm
- Force factor
- Bl
- 10.0
- N/A
- Motor constant
- Bl/√RE
- 3.98
- N/√W
- Air gap height
- HAG
- 5
- mm
- Effective diameter
- 172
- mm
- Effective area
- SD
- 233
- cm²
- Moving mass
- MMS
- 28
- g
- Moving mass (without air load)
- MMD
- 25.4
- g
- Stiffness
- KMS
- 1.43
- N/mm
- Compliance
- CMS
- 700
- µm/N
- Equivalent volume to the compliance
- VAS
- 54
- L
- Mechanical resistance
- RMS
- 1.0
- N·s/m
- Nominal diameter
- 8
- ″
- 210
- mm
- Volume occupied by the driver
- 0.49
- L
- Net weight
- 1.8
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Scan-Speak 21WE/8542T00 SPL & Impedance](/ScanSpeak/21WE-8542T00/ScanSpeak_21WE-8542T00_(Frequency_response_+_Impedance).png)
![Scan-Speak 21WE/8542T00 Dimensions](/ScanSpeak/21WE-8542T00/ScanSpeak_21WE-8542T00_(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)