Bedienungsanleitung JBL Ti6K




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  • Lautsprechersystem JBL Ti6K

  • Vorschau JBL Ti6K Handbuch:
    same length. If the cable to one speaker system is longer than the one to the other speaker due to the distance from the power amplifier, make sure not to wind the excess cable up in the form of a coil. Instead, try to arrange it in figures of eight, as this will minimize the inductance of the cable run and thus minimize cable losses at high frequencies. CAUTION: Never connect two amplifiers to the same loudspeaker without first removing the strapping bars. Operating two amplifier channels with the bars in place can seriously damage the amplifiers and void the warranty. Another option is to power each separate drive unit (and its associated network section) from its own power amplifier. Up to four identical stereo power amplifiers may be used, although specialized amplifiers for low, mid and high frequencies can offer clear advantages. Your JBL Ti-dealer can recommend amplifiers that best suit your needs. In any case, it is important to make sure that the gain of the individual amplifiers used is identical, or that input level controls are provided to maintain proper balance between the various sections of the speaker. Beware that some power amplifiers invert the polarity of the signal. Amplifier polarity marking is not always a true indicator. The polarity of the signal should be the same for all sections of the speaker. If the polarity is reversed to one section of the loudspeaker, a discontinuity in the freefield response will be apparent in the cross- over region. This can change the sound significantly, but will otherwise do no damage to either the speaker or the amplifier. AMPLIFIER POWER RECOMMENDATIONS The Ti speakers are capable of handling peak power far exceeding the continuous rating specified for the individual speakers. The continuous ratings are based on an eight hour test using broadband noise shaped to simulate the power distribution of music. The peak rating of approximately 4 times the continuous rating indicates the system's ability to handle transient peaks well above the average power levels. Amplifier power ratings are an INDICATION of how loud the system will play without distortion. Amplifier power is generally measured with steady state test signals and perhaps, in addition, dynamic measurements into resistive loads. Unfortunately none of these are firm indications of how loud the system will sound in a given listening room. For these reasons, an amplifier should only be chosen after careful listening. If it is possible to achieve the desired volume level without distortion, then the amplifier has sufficient power regardless of the rating. More important than the power rating i .....
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