Wednesday, September 5, 2012

Dayton Audio MA1240a Multi-Zone 12 Channel Amplifier

Dayton Audio MA1240a Multi-Zone 12 Channel Amplifier

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Price: $480.86    Updated Price for Dayton Audio MA1240a Multi-Zone 12 Channel Amplifier now
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Product Feature

  • Stable Class AB design delivers superior audiophile sound quality and performance
  • Independent and bus inputs provides unparalleled flexibility
  • Bridgeable channel outputs provide additional power when needed
  • Temperature controlled cooling fans
  • ENERGY STAR and CE EuP directive compliant, consumes less than 1/2 a watt in standby

Product Description

The Dayton Audio MA1240a features a Class-AB output circuit that delivers superior audiophile sound quality and stable performance. Each of your installation's zones can benefit from the MA1240a's clean audio reproduction and exceptional functionality. The MA1240a can be stacked with other audio components and includes removable ears for mounting in standard audio racks (2RU). Two common or BUS inputs feed audio signals from standard line-level audio sources to any or all channels. Each of the twelve channels has its own dedicated input and independent level adjustment to provide further flexibility. By simply flipping a single switch, two channels can be bridged to increase the total power output for that zone. This is helpful when extra power is needed in certain areas. The MA1240a's manual, automatic on/off, or triggered 12V input turn-on modes facilitate easy integration into automated systems. For quick and easy troubleshooting of the system, each pair of channels or zones has a bi-color LED to indicate its operational status. Specifications: � Rated power output per channel: 40 watts into 8 ohms, 60 watts into 4 ohms (0.09% THD) � Bridged output: 80 watts into 8 ohms (0.30% THD) �� Signal to noise ratio: 95 dB A-weighted � Input impedance: 18K ohms � Input sensitivity: 380 mV � Frequency response: 5 Hz - 20 kHz � Channel crosstalk: 80 dB � � Dimensions: 16.7" W x 4" H x 14.25" D (tabletop configuration) � Power requirements: 115/230 VAC, 50/60 Hz � Stand-by power rating: 115V, 0.264W � Weight: 30 lbs.

Dayton Audio MA1240a Multi-Zone 12 Channel Amplifier Review

FYI, this is the same unit as the Audiosource AMP1200 for $160 less. Just branded differently, check the MFGs websites and manuals.

I installed this with 3 Apple Airport Express units, connected to 3 pre-wired zones in my house. Each Airport Express connected via RCA via line-in to a zone. Now I am able to play any iOS device in any zone (or all zones). So I can listen on the deck to music from my iPad, my wife can listen in the kitchen to different music from her macbook, and my daughter can listen to her iPod touch with her music in the family room. I can expand to 6 zones and source by extending the same setup with this amp. iTunes and iOS are great.

As for the Amp, I had a mid quality Denon Receiver powering two zones, and this more than exceeded the power of the Denon. The connecters on the back are very easy to use, the configuration of zones and bridging are clear and easy, great overall unit.

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