Visaton Fr6.5-8 6.5" Full-Range Driver With Tweeter Cone 8 Ohm
The FR6.5-8's combination of wide frequency response, high efficiency, and water-resistant construction makes it an excellent choice for ceiling-mounted speakers, public address applications, and electronic musical instruments.
Technical Data- Rated power: 40 W
- Maximum power: 60 W
- Nominal impedance Z: 8 Ohm
- Frequency response: 70–20000 Hz
- Mean sound pressure level: 87 dB (1 W/1 m)
- Opening angle (-6 dB): 41°/4000 Hz
- Excursion limit: ±3 mm
- Resonance frequency fs: 75 Hz
- Magnetic induction: 0.75 T
- Magnetic flux: 190 µWb
- Height of front pole-plate: 4 mm
- Voice coil diameter: 20 mm
- Height of winding: 4 mm
- Cutout diameter: 143 mm
- Net weight: 0.47 kg
- D.C. resistance Rdc: 6.8 Ohm
- Mechanical Q factor Qms: 4.94
- Electrical Q factor Qes: 3.26
- Total Q factor Qts: 1.96
- Equivalent volume Vas: 16 l
- Effective piston area Sd: 129 cm²
- Dynamically moved mass Mms: 5.9 g
- Force factor Bxl: 2.5 T m
- Inductance of the voice coil L: 0.8 mH
- Connections: 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)
- Temperature range: –25 - 70 °C