Visaton DL 18/2 T ceiling speaker, 8 Ohm, 6.5 inch - Price Per Speaker
Product Code: Visaton DL 18/2 T 8 Ohm - 6.5 inch price each. - price for
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Ex Tax: £29.50
This is not a "cheapo" ceiling speaker, it is a properly designed and engineered unit capable of superb, HiFi quality sound. Suitable for home installations or high quality commercial.
If you are going to all the trouble of running cables through wall and ceiling cavities, hacking large holes in your plasterboard ceiling and connecting up to your HiFi system the last thing you want to do is waste all the effort by using "cheapo" ceiling speakers. These typically sound hard and brittle with poor sound dispersion (particularly when using a directional tweeter). The Visaton DL 18/2 T is capable of much better sound, with smooth high frequencies and solid bass. Dispersion is also excellent which is important if you want a balanced sound across the room and not just directly under the speakers.
Visaton are famous for their high quality drive units which are used in some of the most expensive loudspeaker systems in the world. Attention to the high quality of sound reproduction is therefore paramount in their ceiling speaker designs. Some cheap ceiling speakers can sound "ragged" and do not distribute the sound very well in even modest sized rooms. The DL 18/2 T overcomes this by the use of high quality components and careful design. The result is a smooth but detailed sound which you can listen to at high as well as background levels.
The DL 18/2 T is ideal for multi room installations in the home as well as commercial projects where reliability is as important as sound quality.
This speaker compares well with ceiling speakers twice its price and represents truly excellent value for money.
The Visaton DL 18/2. 8 Ohms is a 17cm/6.5ins ceiling speaker with white painted, corrosion free grille, suitable for the installation in suspended or plasterboard ceilings. Instsallation is in three easy stages. 1)First install the mounting ring into the 200 mm diameter cutout in the ceiling, and secure by releasing three spring clips, 2) Wire the speaker by means of the two spring loaded terminals, 3) Insert the wired speaker into the mounting ring. DL 18/2: HiFi ceiling speaker equipped with a 2-way coaxial driver. Please see "accessories" section for speaker switches to connect more than one pair of speakers to your hifi system.
Visaton do not need to use directional tweeters in their ceiling speaker designs because the sound dispersion is so good. Cheap speakers generally "beam" the high frequencies in a very small area. They attempt to overcome this by having a tweeter which points towards the listener. However, the adjustment is very small and in most instances makes no difference. Another moving part such as this can also result in unwanted vibration with cheap designs.
|Rated power||50 W|
|Maximum power||70 W|
|Nominal impedance Z||8 Ohm|
|Frequency response||50–20000 Hz|
|Mean sound pressure level||90 dB (1 W/1 m)|
|Opening angle (-6 dB)||64°/4000 Hz|
|Resonance frequency fs||90 Hz|
|Magnetic induction||0,95 T|
|Magnetic flux||310 µWb|
|Height of front pole-plate||4 mm|
|Voice coil diameter||25 mm|
|Cutout diameter||200 mm|
|Net weight||1,15 kg|
|D.C. 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 l|
|Effective piston area Sd||129 cm²|
|Dynamically moved mass Mms||7,9 g|
|Inductance of the voice coil L||0,75 mH|
|Protective system||IP X3|
|Temperature range||−40 ... 80 °C|