Instrukcja obsługi Russound R R1250MC

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R-Series
R1250MC
6-Zone, 12-Channel
Power Amplifier
User’s Manual
RUSSOUND R1250MC P OWER A MPLIFIER

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IMPORTANT SAFEGUARDS of the type described in the operating instructions or as marked on the appli- ance. 12.Main Power Disconnect - The power switch is a single-pole switch. When the switch is in the “Off” position, the appliance is not completely disconnected from the main power. The main power plug is used as the disconnect device and shall remain readily operable. When installing the product, ensure that the plug is easily accessible. “WARNING” “ TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,

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R1250MC AMPLIFIER INTRODUCTION The Russound R1250MC is a 12-channel power amplifier The R1250MC is rated at 50 watts per channel into 8 and is ideal for use as the main amplifier in home theater ohms and 80 watts per channel into 4 ohms. With the Stereo/Bridge Mono switch in the Bridge mode position, and distributed audio systems. The 12 channels are both channels in the zone are combined fora higher pow- arranged in pairs to provide amplification for six stereo ered mono output. In bridged mode

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R1250MC AMPLIFIER 2 3 4 5 1 6 1 7 11 10 4 9 8 1 Bus Input/Output: The bus line input is an optional 7 Fuse Receptacle: Holds a replaceable fuse for AC input that can be used to connect a single source power input connection. Fuse rating for North to multiple zones. The bus line output is a passive America and Europe is T10AL 250V. passthrough of the bus input and can be used to AC Input: The AC voltage input for the North daisy chain the source to other amplifiers in the 8 American model is 120V

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R1250MC AMPLIFIER BRIDGED OPERATION When the amplifier is in Bridged mode operation, both Following the Bridge mode markings in red on the back the left and right channels are combined for a higher of the amplifier: Connect the negative lead (-) of the power mono output. speaker cable to the R+ terminal. Connect the positive lead (+) of the speaker cable to the L+ terminal. Set the For bridged amplifier operation, turn off the power to the Stereo/Bridge Mono switch to Bridge Mono, connect the am

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R1250MC AMPLIFIER POSSIBLE SYSTEM CONFIGURATION The R1250MC can be configured as the main amplifier for an audio distribution system or home theater system. When used with an audio distribution preamp, each zone can independently drive one of several different sources by using each zone’s individual line audio inputs, or a pair of zones can be bridged to create a higher powered zone. When the R1250MC is used as a home theater amplifier, three zones can be bridged to provide high power for the fr

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R1250MC AMPLIFIER SPECIFICATIONS Single Zone Maximum Output Power: 50W per channel, 2 channels at 8 ohms (0.1% THD+N; f=1 kHz) 80W per channel, 2 channels at 4 ohms 140W at 8 ohms, 2 channels bridged All Zones Continuous Output Power: 35W per channel, 12 channels at 8 ohms 50W per channel, 12 channels at 4 ohms 100W at 8 ohms, each zone bridged THD+N: <0.05% from 20Hz to 20kHz Signal-to-Noise Ratio: >100dB Frequency Response: 20Hz to 20KHz +/- 0.3dB Input Sensitivity: 70mV for 1W at 8 ohms 500mV

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R-Series R1250MC Power Amplifier User’s Manual 5 Forbes Rd. Newmarket, NH 03857, USA Tel 603.659.5170 • Fax 603.659.5388 e-mail: tech@russound.com 28-1168 04/22/05