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产品介绍
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The Sonamp 1250MKII provides superior performance and versatility in a multi-channel amplifier. It can be configured as 12-channels at 50 watts/channel, or a combination of channels at 50 and 100 watts. Four dip switches per channel provide configurable input signal routing (left, right, aux and direct), adding to the 1250MKII's flexibility. From residential distributed audio applications to home theater, the Sonamp 1250MKII can handle it all.
Specifications
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Features：
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Nut mounted audiophile RCA connectors to handle enhanced audio cables, gold-plated five-way binding post speaker connectors, discrete volume control for each channel, buffered outputs (left, right and aux busses) allows expansion to 24/36/48 channels, configurable input signal routing, switched 12VDC ouptput controls external devices such as screens, relay boxes, and mechanical lifts, external control input (5-24 volts AC/DC opto-isolated), auto-on mode switch
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Power Output All Channels Driven：
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50 watts per channel x12 @ 8 ohms; 75 watts per channel x12 @ 4 ohms; 100 watts per channel x6 @ 8 ohms (bridged)
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Dynamic Headroom：
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+1.9dB x12 @ 8 ohms; +1.8dB x12 @ 4 ohms; ±3.5 dB x6 @8 ohms (bridged)
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Total Harmonic Distortion：
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<0.03% (20Hz-20kHz @ 8 ohms. 50 watts); <0.06% (20Hz-20kHz @ 4 ohms; 75 watts); <0.01% (1kHz @ 8 ohms; 50 watts); <0.01% (1kHz @ 4 ohms; 75 watts)
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I.M. Distortion (SMPTE 4:1)：
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<0.01% (50 watts @ 8 ohms)
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Signal to Noise Ratio：
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100dB below rated output ("A" weighted)
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Input Sensitivity：
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700 millivolts for 50 watts RMS @ 8 ohms
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Input Impedance：
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20k ohms
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Power Consumption：
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1800 watts maximum @ 4 ohms (full power)
10 watts standby
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Fuse：
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10A (T10AH ~ 250V)
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Heat Output：
2868 BTU/HR (full power)
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Available Options：
Rackmount version
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Dimensions WxHxD：
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16 3/4" x 9 1/2" x 16 1/2" (425mm x 241mm x 420mm)
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RMF Dimensions WxHxD：
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19" x 8 3/4" x 16 1/2" (483mm x 222mm x 420mm)
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Rack Space Requirement：
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5U
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Shipping Weight：
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55lbs (25kg)
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关于SONANCE
In 1982, Sonance co-founders Scott Struthers and Geoff Spencer asked their client to point to the precise spot on the kitchen wall where she’d like her speakers placed. And with a single swing of a hammer, shock waves went through the audio and architectural industries that reverberate to this day. At that moment, what the founders of Sonance had created was literally a breakthrough.
The relationship between architecture and audio would be forever altered.
Sonance did something that no one in the audio industry had done before: move the loudspeakers off the floor, off the shelf, and into the wall. Suddenly the placement of speakers was limitless, with both the walls and ceiling of any room in the home now part of the blank canvas open to the architect and designer. With Sonance, speakers could be less obtrusive, but no less acoustically precise. With Sonance, speakers could make sound an element of design, like light, form, and color.
That creative freedom, that power to see architecture and audio blending in new ways, is what Sonance has always offered the design community and its clients. At the same time, Sonance has continued to innovate, leading the industry to solutions that designers, custom installers and design-sensitive audiophiles recognize as truly breakthrough.
CEDIA Lifetime Achievement Award
Credited with inventing the in-wall speaker and for recognition of his achievements and his contributions to the custom install industry, CEDIA awarded Scott Struthers the 2002 Lifetime Achievement Award.