Peerless PMT-40N25AL02-04
4Ω
Miniature
Nominal diameter | 1.5″ / 40 mm |
Resonance | 241 Hz |
Q factor | 0.47 |
Sensitivity | 81.8 dB |
Linear excursion | ± 1.9 mm |
Program Power | 10 W |
Discontinued
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 81.8dB
- Frequency response 100 - 20000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 241Hz
- Mechanical quality factor QMS 2.39
- Electrical quality factor QES 0.58
- Total quality factor QTS 0.47
Large signal parameters
- Maximum linear excursion xmax 1.9mm
- Air volume displaced at xmax VD 1.6cm³
- Power handling P 5W
- Program power Pmax 10W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.5Ω
- Inductance (1kHz) LE 0.07mH
- VC Diameter 25.5mm
- Former material Kapton
Magnet
- Force factor Bl 2.96N/A
- Motor constant Bl/√RE 1.58N/√W
- Air gap height HAG 2mm
Diaphragm
- Effective diameter 33mm
- Effective area SD 8.5cm²
- Moving mass MMS 1g
- Moving mass (without air load) MMD 1g
Suspensions
- Stiffness KMS 2.18N/mm
- Compliance CMS 458µm/N
- Equivalent volume to the compliance VAS 0.05L
- Mechanical resistance RMS 0.63N·s/m
Dimensions
- Nominal diameter 1.5″
- 40mm
- Net weight 0.06kg
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