Visaton DL 18/2 T 8 Ohm, 6.5 Inch, Ceiling Speaker
Product photo · Enlarge image
Product photo
Rear view and connections
Dimension drawing
Response and impedance
Directivity pattern
Product photographs and manufacturer drawings. Images are not to scale.
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The DL 18/2 T uses a two-way coaxial driver behind a white, corrosion-resistant grille for music and speech in suspended ceilings. The speaker and mounting ring fit into a round opening, and the grille attaches with a bayonet connection. This 8 Ω version handles 50 W and is supplied without a 100 V transformer.
Typical applications
- Music and speech in shops and hotels
- Home and commercial ceiling installations
Full specifications
| Rated power | 50 W |
|---|---|
| Maximum power | 70 W |
| Nominal impedance | 8 Ω |
| Frequency response (−10 dB) | 50–20000 Hz |
| Mean sound pressure level | 90 dB (1 W/1 m) |
| Opening angle (-6 dB) | 64°/4000 Hz |
| Resonance frequency | 90 Hz |
| Magnetic induction | 0.95 T |
| Magnetic flux | 310 µWb |
| Height of front pole-plate | 4 mm |
| Voice coil diameter | 25 mm |
| Cut-out diameter | 200 mm |
| Net weight | 1.15 kg |
| DC resistance | 6.9 Ω |
| Mechanical Q factor Qms | 2.68 |
| Electrical Q factor Qes | 1.68 |
| Total Q factor Qts | 1.03 |
| Equivalent volume | 15 l |
| Effective piston area | 129 cm² |
| Moving mass | 7.9 g |
| Voice-coil inductance | 0.75 mH |
| Colour | White, RAL 9010 |
| Connections | Spring terminals |
| Protective system | IPX3 |
| Temperature range | −40 to 80 °C |
| Front diameter | 218 mm |
| Depth shown in drawing | 93 mm including fixing brackets |
Dimensions and drawings

Dimension drawing · Open original image
Installation and cabinet guidance
Prepare a 200 mm circular cut-out for the 218 mm face. Fit the speaker with its mounting ring using the snap-in fixings, then attach the grille with the bayonet connection. Allow for the 93 mm depth shown in the dimension drawing for the full fixing-bracket envelope, plus access for the connections and cable. Check the panel can support the complete fitting.
Connect to an amplifier suitable for the 8 Ω load, observing the terminal polarity. Use the spring-terminal connection. Support the cable so it does not pull on the connection.
FD 18 (50103) and FD 18 L (50123) are optional rear covers. They are not suitable for F30 fire-protection ceilings; a separate suitable ceiling-housing system is required where the installation calls for one.
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