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Polk Audio > 
Item#: 9SIA1J70ZW2187

Polk Audio RTI A1-Cherry High Performance Bookshelf Speaker Pair

  • 50Hz-27kHz
  • 8 Ohms 20-125W
  • 89dB
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Learn more about the Polk Audio RTI A1-Cherry


Polk Audio
RTI A1-Cherry


Bookshelf Speakers
Sold As
Driver Units
Midrange: 1 - 5.25" Diameter, Polymer Composite Dynamic Balance with rubber surround

Tweeter: 1 - 1" Diameter, Silk Polymer Composite Dome
Power Rating
20-125 w/channel
Frequency Response
Nominal Impedance
8 ohms
89 dB
Inputs: Dual 5-way binding posts




Dimensions & Weight
12" x 7.38" x 11.5" / 12.00 lbs.


Crossover: 1.9kHz, 12dB/octave high and low pass

Enclosure Type: Vented with PowerPort and Arc Port

Manufacturer Warranty

5 years limited
5 years limited

Quick Info


  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years

Customer Reviews of the Polk Audio RTI A1-Cherry

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  • Noah A.
  • 9/22/2009 7:15:42 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year

5 out of 5 eggs

This review is from: Polk Audio RTI A1-Cherry High Performance Bookshelf Speaker Pair

Pros: Beautiful finish. Incredible midrange. Built in wall mount. The dual power ports really help to extend the bass of the 5.25" driver as low as possible. For most types of music (all but the most bass-heavy) they will do great. Jazz and most classic rock sound incredible when you look at their size and price. Excellent for rear HT surrounds.

Cons: The 5.25" driver is not intended to shake the foundations of your house. As stated above, it does do an admirable job. But, if you're thinking of using these in stereo for music, you're going to want at least a small sub to compliment. The tweeter can be fairly bright, but that's because it's the same tweeter they use all the way through their tower lines. Just a notch back on the treble will calm them down enough.

Other Thoughts: When I first got these, I really wasn't expecting much for straight musical listening. But, with a warm, smooth midrange, it almost makes you forget about the lack of low pounding bass. Still, if you're looking for a bookshelf for a music system, I would look a little larger, to the A3's. I'd imagine the extra surface area afforded by the 6.5" driver would help it get down a bit lower.

3 out of 3 people found this review helpful. Did you? Yes No

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Home > 
Electronics > 
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Home Audio Speakers > 
Polk Audio > 
Item#: 9SIA1J70ZW2187
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