Peerless SLS-85S25CP04-08
4Ω
8Ω
Woofer
3.5″ / 89 mm
Nominal diameter
74 Hz
Resonance
0.4
Q factor
83 dB
Sensitivity
± 4.5 mm
Linear excursion
50 W
Program Power
Discontinued
![Peerless SLS-85S25CP04-08 Woofer](/Peerless/SLS-85S25CP04-08/Peerless_SLS-85S25CP04-08_(Photo_1).jpg)
![Peerless SLS-85S25CP04-08 Woofer](/Peerless/SLS-85S25CP04-08/Peerless_SLS-85S25CP04-08_(Photo_2).jpg)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 83.0
- dB
- Resonance frequency (free air)
- fS
- 73.7
- Hz
- Mechanical quality factor
- QMS
- 4.95
- Electrical quality factor
- QES
- 0.44
- Total quality factor
- QTS
- 0.40
- Maximum linear excursion
- xmax
- 4.5
- mm
- Air volume displaced at xmax
- VD
- 14
- cm³
- Power handling
- P
- 25
- W
- Program power
- Pmax
- 50
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.4
- Ω
- Inductance (1kHz)
- LE
- 0.27
- mH
- VC Diameter
- 26
- mm
- Former material
- Kapton
- Force factor
- Bl
- 5.4
- N/A
- Motor constant
- Bl/√RE
- 2.13
- N/√W
- Air gap height
- HAG
- 6
- mm
- Effective diameter
- 63
- mm
- Effective area
- SD
- 31
- cm²
- Moving mass
- MMS
- 4.3
- g
- Moving mass (without air load)
- MMD
- 4.2
- g
- Stiffness
- KMS
- 0.92
- N/mm
- Compliance
- CMS
- 1087
- µm/N
- Equivalent volume to the compliance
- VAS
- 1.48
- L
- Mechanical resistance
- RMS
- 0.4
- N·s/m
- Nominal diameter
- 3.5
- ″
- 89
- mm
- Volume occupied by the driver (estimated)
- 0.35
- L
- Net weight
- 0.88
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Peerless SLS-85S25CP04-08 SPL & Impedance](/Peerless/SLS-85S25CP04-08/Peerless_SLS-85S25CP04-08_(Frequency_response_+_Impedance).png)
![Peerless SLS-85S25CP04-08 Dimensions](/Peerless/SLS-85S25CP04-08/Peerless_SLS-85S25CP04-08_(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)