User manual RUSSOUND PRO

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Manual abstract: user guide RUSSOUND PRO

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

[. . . ] The PRO speaker selectors are equipped with a low-frequency protection circuit to reduce subsonic signals. The PRO units employ audiophile-grade impedance matching autoformers to maintain a safe operating load at the amplifier while distributing maximum power through the system. Autoformers are very efficient because of the small loss incurred as a result of heat dissipation. [. . . ] If external volume controls are used, connect speaker wire from the appropriate speaker connector on the PRO to the volume control input. Speaker connections can support multiple speaker pairs wired in parallel or series, provided their combined impedance is a minimum of 4 ohms. 3. Operation To ensure safe operation of the amplifier, an impedance level must first be selected using the rotary switch labeled SPEAKER PAIRS located on the rear of the unit. This switch should be set to the total number of speaker pairs being connected to the unit. Set the switch based on the following conditions: · If the amplifier and the speakers are both 4 ohms, set the rotary switch to the number of pairs of speakers connected to the PRO. · If the amplifier and the speakers are both 8 ohms, set the rotary switch to the number of pairs of speakers connected to the PRO. · If the amplifier is 8 ohms and the speakers are 4 ohms, set the rotary switch to TWICE the number of pairs of speakers connected to the PRO. · If the amplifier is 4 ohms and the speakers are 8 ohms, set the rotary switch to HALF the number of pairs of speakers connected to the PRO. After setting the proper impedance level, the speakers can be turned on and off in any combination. To switch between the A and B amplifiers, push the AMP A / AMP B button located on the front panel. 4. Setting System Volume It is important to properly adjust an impedance-matching system to avoid distortion or DC clipping (DC voltage will be produced from an amplifier that is overworked or that has an improper load). These can cause an amplifier/receiver to go into protection, and can cause autoformers on volume controls to heat up, damaging system components. To set up the system, the amplifier/receiver volume should be at its lowest setting, and the in-wall/selector volume control should be at the highest setting. Slowly adjust the amplifier/receiver volume to a level that is acceptable for the amplifier to produce without clipping. 2 Speakers IN Optional ALTx-2sc impedance-matching volume controls IN PRO-6 HP NEWMARKET, NH USA Modular Snap Connector Wiring Order WHITE -- L+ (left channel positive) GREEN -- L- (left channel negative) BLACK -- R- (right channel negative) RED -- R+ (right channel positive) PR-6 HP (back) Amplifier Connection Diagram for Russound PRO-HP Speaker Selectors (Not to scale) 3 5. Specifications Power: 100 watts per channel RMS continuous 200 watts per channel average 300 watts per channel peak Volume Control: 42 dB attenuation, 12 positions Impedance Matching: High-efficiency impedance-matching autoformers Low-Frequency Protection: Bi-polar capacitor circuit Wire Size: up to 14 gauge wire Dimensions: 17" W x 2. 875" H x 8. 25" D (43. 2 x 7. 3 x 21 cm) Weight: PRO-6 7. 52 lbs. Optional Accessories Volume Controls - ALTx Series, LPTx Series, and WALTx-2 for outdoor applications 7. [. . . ] Be sure to pack in a corrugated container with at least 3 inches of resilient material to protect the unit from damage in transit. Russound sells product only through authorized Dealers and Distributors to ensure that customers obtain proper support and service. Any Russound product purchased from an unauthorized dealer or other source, including retailers, mail order sellers and online sellers will not be honored or serviced under existing Russound warranty policy. [. . . ]

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