Kef Q400B Black Oak [15/32] English instructions
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Kef Q400B Black Oak [15/32] English instructions

Kef Q400B Black Oak [15/32] English instructions

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English instructions GB Controls and sockets Manual controls Q400b Subwoofer Rear Panel It is possible to manually adjust the set up of the Q400b instead of using the amplifier receiver I LFE Line in Smart Connect input 2 Phase control 3 Bass boost 4 Level control 5 Mains indicator light Power ON Power OFF A Crossover Frequency Control The crossover frequency control changes the upper cut off frequency of the subwoofer Its effective range is from 40Hz to 140Hz at a rate of 24dB per octave The frequency control should be adjusted to achieve the smoothest integration between the main satellite speakers and the subwoofer Clockwise rotation will increase the cut off frequency and anti clockwise rotation will decrease the cut off frequency Red Green 6 Crossover frequency control 7 ON OFF switch Vacation switch 8 AC power input 230V Euro 230V UK I 15V US 9 High Level Speaker Input Block Positioning Combined Output As the sub bass low frequency sound produced by the subwoofer is nondirectional it can be positioned almost anywhere in the room although it should not be placed too close to the listener For optimum performance try the subwoofer in different positions to find the best place for a boomfree sound I Ideal crossover flat response 2 Crossover point set too low causes dip in combined response 3 Crossover point set too high causes hump in combined response B Phase Control The phase control will normally be set at 0 but more output level can sometimes be achieved in the 180 position particularly when the subwoofer is far away from the satellite speakers Connection to AV amplifier receiver Connect to the amplifier LFE subwoofer output C Volume Control All inputs work simultaneously Set the subwoofer frequency on the amplifier the amplifier receiver manual I receiver to 80Hz refer to The volume control adjusts the output level of the subwoofer in relation to the satellite or AV speaker output level Clockwise rotation to increase the output level or anti clockwise to decrease the output level Set the crossover on the Q400b to 140Hz Bass Boost EQ Set the volume on the Q400b to the 7th dot Ensure that the satellites are set to the appropriate configuration in the amplifier receiver menu refer to the speaker manual The bass boost control is intended to adjust the response of the subwoofer to compensate for room conditions and user preferences Boost is switchable between 0 6 and 12dB at around 40Hz Adjust the subwoofer volume on the AV amplifier receiver to your desired level refer to the amplifier receiver manual Connection to stereo preamp receiver 6dB 40Hz 3 12dB 40Hz Connect to amplifier speaker or preamp or subwoofer output Set the crossover to 80Hz for large speakers or higher to match small speakers Start with the volume set at the 7th dot Adjust the volume to match output to your main speakers Trouble Shooting FAULT REMEDY Mains indicator light does not come on Check that the subwoofer is plugged into the mains supply and that any switches are on Check any fuses including the plug or circuit breakers on the mains supply which may affect the power to the subwoofer Ensure that all equipment is switched on Contact your dealer for further advice Mains indicator light is on but no sound comes from the subwoofer Check and adjust the level control 0N Check the output sockets on the source equipment are correctly switched and adjusted to provide sufficient level to drive the subwoofer Check that all connections between the subwoofer and the source equipment are correct and adjust as necessary If there is still no sound Contact your dealer for further advice Red light no sound Check volume levels of subwoofer and amplifier receiver Green light no sound I5

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