Art. No. 2148Saltwater resistant 8 cm (3.3") full-range speaker with moulded plastic cone, plastic basket and grille. Absolutely corrosion-resistant and waterproof due to encased magnet and silicon-coated leads. Clear-cut high-range output. Black colour.
Typical applications:
- Outdoor PA systems
- Loudspeaker for solariums and damp locations
- Boats, ships and open vehicles
Properties:
- seawater proof
- functionally at low temperature according to EN 60068-2-1 (-40°C; 96h)
- up to the standards of the Germanischer Lloyd (requirements for electrical equipment / low temperature)
- Plastic: ASA (UL 94: HB; UV-/weather-proof)
- ball-resistant |  |
Frequency and impedance response - click.
| | Technical Data: |
|---|
| Rated power | 15 Watt | | Maximum power | 25 Watt | | Nominal impedance | 4 Ohm | | Frequency response (-10 dB) | 100 - 20000 Hz | | Mean sound pressure level | 84 dB (1W/1m) | | Resonance frequency fs | 158 Hz | | Voice coil diameter | 20 mm | | Cutout diameter | 74 mm | | Net weight | 0,23 kg | | D.C. resistance Rdc | 4,1 Ohm | | Mechanical Q factor Qms | 2,62 | | Electrical Q factor Qes | 1,33 | | Total Q factor Qts | 0,88 | | Equivalent volume Vas | 0,4 l | | Effective piston area Sd | 30 cm2 | | Dynamically moved mass Mms | 2,9 g | | Force factor Bxl | 2,79 Tm | | Inductance of the voice coil L | 0,33 mH | | Protective system | IP 65 | | Heat resistance | 80°C | | Colour | schwarz / black |
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