User manual JBL TI-1K CENTER

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Manual abstract: user guide JBL TI-1K CENTER

Detailed instructions for use are in the User's Guide.

[. . . ] Should you want to speed up this process you can use inter-station FM noise as a signal during periods, where you would normally not be listening to the speaker. Alternatively a CD player on "Repeat" would be an appropriate signal source. IMPORTANT: When connecting or disconnecting loudspeakers from an amplifier, the amplifier must be turned off. Making connections while the amplifier is operating could seriously damage the loudspeaker system and void the warranty. [. . . ] Wrap the remaining bundles around the binding post and twist the center stands. The knob can now be tightened securely, and any excess wire that is not in contact with the binding post surfaces should be trimmed to avoid short circuits. A very convenient way of connection is the use of 4 mm banana connectors, which are then, in turn, connected to the binding posts. Bear in mind, however, that the number of contact points should be kept to a minimum, and at the same time each contact should be as tight as possible. For the same reason, we recommend the use of the highest quality spade connectors, expertly connected to the selected cables. Spade lugs will make the best possible connection between the speaker wire and the loudspeaker system, minimizing any contact resistance that might degrade the sound ever so slightly. Any connection in an audio system should not be considered "good forever". all connections should be inspected and cleaned or remade periodically. Frequency of maintenance depends on the materials involved in the connection, atmospheric conditions and other factors. It is essential that both loudspeakers in a stereo system have the same polarity with respect to the input signal (are in "phase"). JBL Ti-Series are designed to produce a positive pulse when a positive signal is applied to the red input terminal. If the driver cones of the two loudspeakers do not move in the same direction for a given voltage at the input terminals, there will be a lack of stereo definition and a loss of deep bass. We recommend experimenting with the polarity of the speakers, since recordings, program sources or power amplifiers can invert the polarity of the signal. the "correct" connection is the one that yields the best audible results. Be sure to reverse both left and right connections to keep the systems in polarity. Reduced and intermodulation of low and high frequencies in the cable are avoided. Specialized wires for low frequency and high frequency sections may yield excellent results in some systems. In either case, low frequency cable should be as short as possible, and the left and right cable for each section must be the same length. If the cable to one speaker system is longer that the one to the other speaker due to the distance from the 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 may seriously damage the amplifiers and void the warranty. [. . . ] 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. [. . . ]

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