Peerless PLS-65F25AL04-04
4Ω
Full-range
Nominal diameter | 2.5″ / 64 mm |
Resonance | 120 Hz |
Q factor | 0.78 |
Sensitivity | 81.4 dB |
Linear excursion | ± 2.7 mm |
Program Power | 50 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 81.4dB
- Frequency response 100 - 10000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 120Hz
- Mechanical quality factor QMS 5.06
- Electrical quality factor QES 0.92
- Total quality factor QTS 0.78
Large signal parameters
- Maximum linear excursion xmax 2.7mm
- Air volume displaced at xmax VD 5.6cm³
- Power handling P 25W
- Program power Pmax 50W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.5Ω
- Inductance (1kHz) LE 0.053mH
- VC Diameter 25.7mm
Magnet
- Force factor Bl 2.47N/A
- Motor constant Bl/√RE 1.32N/√W
- Air gap height HAG 3mm
- Material Ferrite
Diaphragm
- Effective diameter 52mm
- Effective area SD 21.2cm²
- Moving mass MMS 2.23g
- Moving mass (without air load) MMD 2.2g
- Material Aluminum
Suspensions
- Stiffness KMS 1.19N/mm
- Compliance CMS 840µm/N
- Equivalent volume to the compliance VAS 0.537L
- Mechanical resistance RMS 0.33N·s/m
- Surround material Rubber
Dimensions
- Nominal diameter 2.5″
- 64mm
- Volume occupied by the driver (estimated) 0.12L
- Net weight 0.328kg
- Frame material Pressed Steel
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