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- REFERENCE 208
- Installation Manual
KEF REFERENCE 208 Installation Manual
Summary of REFERENCE 208
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K7262_cover for combined manual 12/2/08 12:48 page 1.
Page 2: Warning
1 note: this equipment has been tested and found to comply with the limits for a class b digital device, pursuant to part 15 of the fcc rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can...
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2 3 please take heed of the following before using the kef reference series subwoofer. Note also that the word “appliance” shall refer to the kef reference series model 209/ model 208 subwoofer, or any part of it. 1. Read instructions - all the safety and operating instructions should be read before...
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5 4 correct wrong adjustment caution/warning electrical warning positive/red negative/black switch off appliance option read 1. Avoid temperature extremes. 2. Avoid damp. 3. Avoid direct sunlight. 4. Clean with the kef cloth provided. 5. Do not use spirit based cleaners. If you are at all uncertain ...
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7 introduction introduction and overview the kef reference series 209 subwoofer is a ‘state of the art’ subwoofer for use in the very best home theatre and stereo systems. Every component is critically designed to give optimum acoustic performance in a compact, elegant enclosure. The key components ...
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9 8 ace technology the laws of physics dictate that to get good bass extension out of a loudspeaker you need a large enclosure volume, and to get high output levels you need to move a lot of air. This is why the more expensive loudspeaker systems have large or multiple bass drivers and big enclosure...
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11 unpacking, handling and aftercare installation and operation 10 loudspeakers. The care pack also contains the unique product build certificate. This is a valuable document and guarantees the quality and craftsmanship of your subwoofer. The cabinet is finished in real wood veneer and should be tre...
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13 12 adjusting the feet and/or spikes under normal circumstances your subwoofer will be commissioned by your retailer or consultant, who will have been trained in their installation by kef. Kef strongly recommend that you do not attempt to level your loudspeakers single-handed. Recruit the assistan...
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14 15 rear panel information mains power socket and fuse holder. Please check that the voltage indicated is correct for your country’s mains supply voltage as this subwoofer comes in 110v or 240v versions that are not inter-changeable. Please return to your kef retailer if the setting is incorrect f...
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17 16 remote control and control functionality power. Puts the reference series 209 subwoofer into or out of standby. Auto/manual. Switches the reference series 209 subwoofer between automatic mode or manual mode. In automatic mode the subwoofer will go into standby automatically after approximately...
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18 19 connections, setup and fine tuning all connections should be made with the amplifier switched off. Ensure the integrity of all connections prior to switching the amplifier on. L r l r l r l r stereo line level connections stereo speaker level connections l r c sub ls rs l r c sub ls rs lfe lin...
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20 21 combined movie and music setup. The reference series 209 subwoofer can be used for both main speaker low frequency extension and the lfe channel reproduction for a surround sound system. Set the subwoofer up as described in section ‘music only setup’. With the subwoofer correctly set up for st...
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22 23 using the preset equalization options left and right eqs and lfe eqs are pre defined by kef’s acoustics engineers to allow easy selection of the most useful response adjustments. They can be independently selected enabling a different eq to be applied to the l+r inputs and the lfe line level i...
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24 25 specifications model 209 design : closed box, magnetically shielded drive unit array : 450mm (18in.) long-throw bass driver with radial magnet system allowing +/-30mm of linear excursion. Frequency response : (± 3db) 15hz - 250hz amplifier : 1000w class d with switched mode power supply and ds...
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27 introduction introduction and overview the subwoofer is the heart of any home theatre system, providing an exhilaration that brings the sound stage physically to life. That is why the same level of attention and care has been taken to develop the reference series model 208 subwoofer as the rest o...
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29 28 unpacking, handling and aftercare installation and operation also contains the unique product build certificate. This is a valuable document and guarantees the quality and craftsmanship of your subwoofer. The cabinet is finished in real wood veneer and should be treated with the same care with...
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31 30 adjusting the feet under normal circumstances your subwoofer will be commissioned by your retailer or consultant, who will have been trained in their installation by kef. Kef strongly recommend that you do not attempt to level your loudspeakers single-handed. Recruit the assistance of another ...
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33 32 rear panel information 110v or 240v voltage selection switch. Please check that the voltage indicated is set correctly for your country’s mains supply voltage as this subwoofer comes with a 110v to 115v or 220v to 240v voltage switch. On/off switch. Please turn off your subwoofer during long p...
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35 34 control functionality phase. Adjusts the phase of the subwoofer output relative to your main speakers from 0 to 180 degrees in 5 degree steps. Level. This decreases or increases the subwoofers volume relative to the main speakers. Slope. Switches the low pass filter slope between 12 (shallow) ...
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36 37 connections, setup and fine tuning all connections should be made with the amplifier switched off. Ensure the integrity of all connections prior to switching the amplifier on. L r l r l r l r stereo line level connections stereo speaker level connections l r c sub ls rs l r c sub ls rs lfe lin...
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38 39 movie only setup through the lfe input. This dedicated line level input is specifically for the lfe (low frequency effects) output from a surround sound a/v processor. Please note that single ended (phono) or balanced (xlr) connections are available, however, they must not be used simultaneous...
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41 40 grille a dedicated grille assembly is supplied with your subwoofer. The grille is held on via ‘pegs’ that locate into the front baffle grille-peg sockets. However, if you wish, you may remove the grille by gently pulling it forward toward you. If required, the grille may be removed during use....
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Kef was founded in 1961 by an electrical engineer named raymond cooke in a nissen hut on the premises of a metalworking operation called kent engineering & foundry (hence kef), on the banks of the river medway, near maidstone in kent. From the beginning kef was destined to become a company with a fl...
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By 1973 the company was developing the concept of computer assisted ‘total system’ design, at a time when the world’s very first 4-bit microprocessor was still in its infancy. Kef engineers, using a given set of parameters, could for the first time actually “see” what the response characteristics of...
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Kef’s acclaimed reference series under new ownership in 1992 kef audio found itself equipped with new ideas, new personalities and new products. But the same philosophies of solid engineering and innovation to provide the finest quality product available at its particular price-point remained firmly...
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The millennium ushered in a new era of groundbreaking audio innovation. Among the most important was the launch of a new reference series - the forerunner of today’s design - in 2002. This redefined the benchmark for high-end loudspeakers by incorporating signature kef technologies such as uni-q and...
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Www.Kef.Com gp acoustics (uk) ltd., eccleston road, tovil, maidstone, kent, me15 6qp u.K. Tel: + 44 (0)1622 672261 fax: + 44 (0)1622 750653 gp acoustics (us) inc., 10 timber lane, marlboro, new jersey 07746 u.S.A. Tel: +(1) 732 683 2356 fax: +(1) 732 683 2358 gp acoustics gmbh, heinrichstraße 51, d-...