Thumbnail Filmstrip of FR 8 WP Black - 4 Ohm Images
Visaton Speaker Driver - FR 8 WP - 4 Ohm Black Saltwater Resistant - Full Range
Art. No. 2148
Visaton FR8WP - 4 Ohm Black Saltwater Resistant - Full Range
Characteristics and Sound Properties
Saltwater 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.
Typical applications:-
- Outdoor PA systems
- Loudspeaker for solariums and damp locations
- Boats, ships and open vehicles
Attributes:-
- Seawater proof
- Functionally at low temperature according to EN 60068-2-1 (-40 °C; 96 h)
- Up to the standards of the Germanischer Lloyd (requirements for electrical equipment/low temperature)
- Plastic: ASA (UL 94:HB; UV-/weather-proof)
- Ball-resistant
Technical Specifications
Rated power | 15 W |
Maximum power | 25 W |
Nominal impedance Z | 4 Ohm |
Frequency response |
100–20000 Hz |
Mean sound pressure level | 84 dB (1W/1m) |
Opening angle (-6 dB) | 114°/4000 Hz |
Excursion limit | ± 3 mm |
Resonance frequency fs | 158 Hz |
Magnetic induction | 1 T |
Magnetic flux | 190 µWb |
Height of front pole-plate | 3 mm |
Voice coil diameter | 20 mm |
Height of winding | 4 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 litres |
Effective piston area Sd | 30 cm2 |
Dynamcally moved mass Mms | 2.9 grams |
Force factor Bxl | 2.8 Tm |
Inductance of the voice coil L | 0.3 mH |
Protective system | IP 65 *) |
Connections | 5.2 x 0.5 mm (+) 2.8 x 0.5 mm (−) |
Colour | Black |
Temperature range | -40 ... 80 °C |
Driver Dimensions
Loudspeaker Driver Dimensions and Measurements - all dimensions in mm (approx.)
Frequency and Impedance Response
Loudspeaker Frequency and Impedance Response Graph
Directivity Pattern
Loudspeaker Directivity Pattern (on and off axis response)
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