Visaton W 165 A 2 Ohm, 6.5 Inch, Weatherproof Woofer
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The W 165 A is designed for high excursion in a shallow installation space. Visaton specifies a glass-fibre cone, metal basket and robust rubber surround, with materials and adhesives selected for operation in extreme heat and cold. It is rated at 60 W, has a 2 Ω nominal impedance, 84 dB mean sound pressure level and a −40 to 150 °C temperature range.
Typical applications
- Custom loudspeaker systems
- Replacement-driver projects
- Low-frequency or full-range duties described by the manufacturer
Full specifications
| Rated power | 60 W |
|---|---|
| Nominal impedance Z | 2 Ω |
| Frequency response | fu-5000 Hz |
| Mean sound pressure level | 84 dB (1 W/1 m) |
| Excursion limit | ±10.3 mm |
| Resonance frequency fs | 60 Hz |
| Magnetic induction | 1.06 T |
| Magnetic flux | 620 µWb |
| Height of front pole-plate | 6 mm |
| Voice coil diameter | 31 mm |
| Height of winding | 15.3 mm |
| Cutout diameter | 144 mm |
| Net weight | 1.26 kg |
| D.C. resistance Rdc | 2.2 Ω |
| Mechanical Q factor Qms | 4.38 |
| Electrical Q factor Qes | 0.74 |
| Total Q factor Qts | 0.63 |
| Equivalent volume Vas | 7.84 l |
| Effective piston area Sd | 136.2 cm² |
| Dynamically moved mass Mms | 21.7 mm |
| Force factor Bxl | 4.99 Tm |
| Inductance of the voice coil L | 0.56 mH |
| Connections | 4.8 x 0.8 mm (+)2.8 x 0.8 mm (−) |
| Mounting depth | 63.7 mm |
| Protective system (front only, in a sealed enclosure) | IP 64 |
| Temperature range | -40 ... 150°C |
Dimensions and drawings

Dimension drawing · Open original image
Installation and cabinet guidance
Use the manufacturer drawing to confirm cut-out, depth and fixing positions before machining the enclosure.
Connect an amplifier suitable for the stated nominal impedance and observe terminal polarity where marked.
The stated IP protection applies to the front only when the driver is built into a sealed enclosure; Visaton notes that bonding the driver and adding a front cover or grille may be necessary.
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