User manual BOSTON ACOUSTICS VR3

[. . . ] Its powerful neodymium magnet produces 10 times more magnetic energy than a conventional magnet of the same size, but its compact dimensions allow the tweeter and midrange to be mounted very close together for seamless, perfectly integrated sound with wide, uniform dispersion. A high output 1-inch (25mm) anodized aluminum VR tweeter, with our exclusive patented Amplitude Modification Device (AMD) produces extended, sparkling high frequencies. The cabinets have extensive internal bracing and are constructed of Medium Density Fiberboard (MDF), chosen for its favorable acoustic characteristics. [. . . ] When making all connections, be sure to connect + to + (red) and ­ to ­ (black). 1. Unscrew both sets of terminals and remove the jumper straps. Connect the wires from the amplifier's speaker terminals to each individual set of terminals on the back of the speaker as shown. VR2 or VR3 Remove jumper straps Remove jumper straps 4 amplifier or receiver Bi-amplification (VR2 and VR3 only) Bi-amplification requires using separate amplifiers dedicated to high and low frequencies. Using more than one amplifier can enhance the dynamic performance of your system. "Splitting the load" between two amplifiers lets each amplifier work less hard, increasing the available current to the drive units. When making all connections, be sure to connect + to + (red) and ­ to ­ (black). Unscrew the terminal collars of both sets of terminals and remove the jumper straps. Connect the wires from the bottom set of terminals to the amplifier driving the woofers. Connect the wires from the top set of terminals to the amplifier driving the midrange/tweeter. right VR2 or VR3 left VR2 or VR3 Remove jumper straps low-frequency amplifier high-frequency amplifier CAUTION: Do not use an external active crossover with your VR speakers. The external crossover and the VR's internal crossover can interact and distort the phase and frequency response of the system. 5 How to Place Your Speakers The VR speakers were designed to deliver exceptional bass extension and tonal balance, regardless of where they are placed. However, for optimal results, it is advisable to position the rear of the speaker to be at least 3 inches (76mm) away from the wall or curtains that are behind it. The speakers should also be at least 2 feet (0. 6m) from the corners of the room. Putting the speakers too close to a corner can produce an unnatural bass reinforcement that detracts from their balanced, uncolored sound. For optimal bass performance when a speaker must be placed in or near a corner, position it so that the distance to the side wall is different than the distance to the rear wall. [. . . ] Bolting the speaker to the stand reduces unwanted vibration and reduces the possibility of the speaker accidentally falling off the stand. Caring for Your Speakers The cabinet of your VR Speaker system is finished in furniture-grade vinyl veneer. This finish should be treated like any other piece of fine furniture. To clean, simply wipe lightly with a slightly damp cloth. [. . . ]