In this review, we will be comparing specifications of R-51M and RTi A3, two Bookshelf cameras from Klipsch and Polk Audio.
Let's have a brief look at the main features of Klipsch R-51M and Polk RTi A3 before getting into our more detailed comparison.
Let's read on the following sections in order to better understand in detail how Klipsch R-51M and Polk RTi A3 compares and hopefully end up with enough arguments to decide which one is better for you.
Drivers
Both R-51M and RTi A3 are 2-way speakers. R-51M features a 1" Tractrix Horn Tweeter and 1 5.25" Copper-spun IMG Woofer with a Crossover frequency at 1660 Hz. On the other hand, RTi A3 features a 1" silk polymer composite Dome Tweeter and 1 6.5" Polymer composite Woofer with a Crossover frequency at 2800 Hz.
Frequency Response
R-51M has a frequency range of 62-21k Hz whereas RTi A3 has a frequency range of 50-26k Hz.
Low Frequency
Bookshelf Speakers
High Frequency
Bookshelf Speakers
Impedance and Sensitivity
R-51M and RTi A3 has the same Impedance of 8 ohms but where they differ is the sensitivity levels. R-51M sensitivity is rated at 93 dB and RTi A3's is at 89 dBd B.
Sensitivity
Bookshelf Speakers
Power Range
R-51M has a power range of 85 watts RMS whereas RTi A3 has a power range of 20-150 watts.
Input Type and Bi-Amping / Bi-Wiring
RTi A3 features Pair of Dual 5-way Binding Posts - Gold-Plated posts which makes bi-amping or bi-wiring possible. R-51M has a Single Gold Plated Binding Posts - 5-way which doesn't feature b-amping/bi-wiring.
Cabinet Type and Port Position
Physical Specs
In this section, We are going to compare Klipsch R-51M's and Polk RTi A3's external dimensions.
Below you can see the front view size comparison of Klipsch R-51M and Polk RTi A3.