Visaton Speaker Driver - DL 18-2 T - 8 Ohm Hifi Ceiling Speaker
 Art. No. 50100


Visaton DL18/2T - 8 Ohm HiFi ceiling speaker
Characteristics and Sound Properties
 17 cm (6.5") HiFi-ceiling speaker with corrosion free grille, suitable for the installation in suspended ceilings of any material. Equipped with a 2-way coaxial driver. Quick snap-in mounting due to round ceiling cut-out through which the speaker with mounting ring can be installed. A push-terminal block allows a quick and easy connection. A quick-mounting bayonet connection provides an easy installation of the grille.
DL 18/2 T can be supplied painted in other RAL colours on request. Speaker cabinet systems for concrete ceilings are available. Fire protection housing systems are also available.
Typical applications:
- For fitting in hollow ceilings, for music and speech in shops, at home, hotels etc
Attributes:
- Moisturised cone
- UV-resistant
- Metal basket, non-corrodible
- 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)
Technical Specifications
| Rated power | 50 W | 
| Maximum power | 70 W | 
| Nominal impedance Z | 8 Ohm | 
| Frequency response | 50-20000 Hz | 
| Mean sound pressure level | 90 dB (1W/1m) | 
| Opening angle (-6 dB) | 64°/4000 Hz | 
| Resonance frequency fs | 90 Hz | 
| Magnetic induction | 0.95 T | 
| Magnetic flux | 310 uWb | 
| Height of front pole-plate | 4 mm | 
| Voice coil diameter | 25 mm | 
| Cutout diameter | 200 mm | 
| Net weight | 1.15 kg | 
| DC resistance Rdc | 6.9 Ohm | 
| Mechanical Q factor Qms | 2.68 | 
| Electrical Q factor Qes | 1.68 | 
| Total Q factor Qts | 1.03 | 
| Equivalent volume Vas | 15 litres | 
| Effective piston area Sd | 129 cm2 | 
| Dynamically moved mass Mms | 7.9 grams | 
| Inductance of the voice coil L | 0.9 mH | 
| Protective System | IPX3 | 
| 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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