Polk Audio RTi A7 vs MartinLogan Motion® 20

 
Polk Audio RTi A7
In Stock 
$499.99
  • bass-reflex (ported) design
  • frequency response 35-26,000 Hz
  • Dynamic Balance® drivers
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MartinLogan Motion® 20
In Stock 
 
$799.99
  • Folded Motion™ tweeter for high output levels and low distortion
  • two 5-1/2" aluminum cone woofers
  • frequency response: 46-25,000 Hz
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Product Features

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Condition New StockNew Stock
General Polk Audio RTi A7MartinLogan Motion® 20
Enclosure
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Bass ReflexBass Reflex
Finish
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Real wood VeneerWood veneer
Color
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BlackBlack cherrywood
Tweeter
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DomeFolded Motion Transducer
Tweeter Size (inches)
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11 x 1.4
Midrange Size (inches)
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6.55.5
Woofer Size (inches)
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75/5
Woofer Composition
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Polymer compositeAluminum
Woofer Surround
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Butyl RubberRubber
Built-in Powered Sub
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NoNo
Video-Shielded
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YesNo
Connector Type
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5-way postBinding post
Bi-amp Inputs
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YesYes
Parts Warranty
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5 Years5 Yrs w/ Registration
Labor Warranty
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5 Years5 Yrs w/ Registration
Specifications Polk Audio RTi A7MartinLogan Motion® 20
Power Range
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20-30020-200
Frequency Response
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35-26k Hz46-25k Hz
Sensitivity
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89 dB90 dB
Impedance (Ohms)
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84
Amplifier Power
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Height (inches)
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41-5/835-5/8
Width (inches)
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10-11/166-13/16
Depth (inches)
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18-1/411-3/4
Weight
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55 lbs37 lbs
  Owner's Manual
 Hands-on ResearchHands-on Research
 
Polk Audio RTi A7
In Stock 
$499.99
Add to Cart
MartinLogan Motion® 20
In Stock 
$799.99
Add to Cart