User manual MACKIE FUSSION3000

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[. . . ] FUSSION 3000 ACTIVE FULL RANGE SOUND REINFORCEMENT SPEAKER SYSTEM USER'S MANUAL CAUTION AVIS 7. Heat -- This Mackie product should be situated away from heat sources such as radiators, or other devices which produce heat. WARNING: The heatsink may reach high temperatures during standard use. To ensure proper operation, allow a minimum of 6 inches of clearance from the heatsink surface and adequate ventilation. [. . . ] The FUSSION 3000 has a built-in controller that operates below 85 Hz. Balanced XLR Connectors FILL OUT This is a male XLR-type connector that produces a line-level signal you can connect to a side or front fill powered speaker or speaker amplifier. Note: The FILL OUT has a low-pass filter that operates from 85Hz to 20kHz, regardless of the FULL RANGE/HIGH PASS switch setting. The LOOP OUT connector allows you to connect more than one FUSSION 3000 to the output of your mixing console. Simply plug the signal source output into the first MAIN IN jack, and patch that speaker's LOOP OUT jack to the next MAIN IN jack, and so on, daisy-chaining multiple speakers. A general rule is to maintain a load impedance 10 times or more than the source impedance to prevent excessive loading on the source. For example, if your mixer has an output impedance of 120 ohms, then you can daisy chain up to sixteen FUSSION 3000s. This is a load of 1250 ohms (FUSSION 3000 input impedance=20k ohms; 16 of these in parallel=1250 ohms). The LOOP OUT jack is wired straight from the MAIN IN connector -- there is no electronic circuitry between -- so the signal coming out of the LOOP OUT jack is exactly the same as the signal going in. OUTPUT LEVEL This controls the output signal level at the FILL OUT. Use it to adjust the relative volume for the side or front fill speaker. PHASE This switch reverses the phase of the signal at the FILL OUT connector. Depending on the placement of the fill speaker, you may get better overall response with the PHASE switch set to 180º. 6 PLACEMENT The FUSSION 3000 active loudspeakers are designed to sit on the floor or to be suspended by the rigging points. If you do, turn the upper cabinet upside down so the high-frequency driver is closest to the high-frequency driver in the lower cabinet. You can create a horizontal array by placing the cabinets side-by-side. However, you should have a good understanding of the relationship between the splay angle (the angle between the facing sides of the cabinets), the on-axis power, and frequency cancellation effects between cabinets. When two cabinets are placed side-byside, the actual splay angle is 30º (determined by a 15º angle on each cabinet side). As the splay angle increases toward the angle of horizontal coverage (80º for the FUSSION 3000), the on-axis power decreases, but the frequency response becomes smoother as the comb-filtering effects (caused by the interaction in the area of double-coverage) decrease. If you are setting them up outdoors, make sure they are under cover if you expect rain. · · · · Room Acoustics The FUSSION 3000 loudspeakers are designed to sound as neutral as possible; that is, to reproduce the input signal as accurately as possible. Room acoustics play a crucial role in the overall performance of a sound system. However, the wide high-frequency dispersion of the FUSSION 3000 helps to minimize the problems that typically arise. Top 800 800 Dispersion up to 18kHz Here are some other placement tips: · Avoid placing loudspeakers in the corners of a room. This increases the low-frequency output and can cause the sound to be muddy and indistinct. This, too, increases the low frequency output, though not as much as corner placement. However, if you do need to reinforce the low frequencies, this is a good way to do it. A hollow stage can resonate at certain frequencies, causing peaks and dips in the frequency response of the room. [. . . ] The distance between the outlets and the common ground should be as short as possible. 9 REPAIR Service for the FUSSION 3000 is available only from one of our authorized domestic service stations or at the factory service center, located in Whitinsville, Massachusetts. Service outside the United States can be obtained through local dealers or distributors. If your FUSSION 3000 needs service, please follow these instructions: 1. Call Tech Support at 1-800-258-6883, 7am to 5pm PST, to explain the problem in detail. [. . . ]

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