Polk Audio RTi A5 is a 2-way Passive Bass Reflex Floor-standing speaker by Polk Audio. It features a 1" Tweeter and 2 x 6.5" Polymer composite Woofer. The speaker has a frequency range of 40-26k Hz and a sensitivity of 90 dB.
What size of room is the Polk RTi A5 speaker good for?
The size of the room in which you are planning to use the Polk RTi A5 is an important decision factor. Here we have evaluated its suitability to various sizes of environments considering its size and max power parameters:
| Listening Environment* |
Suitability |
| Near-field | Bad |
| Small Room | Poor |
| Mid-size Room | Average |
| Large Room | Good |
| Very Large Room | Average |
(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2.
Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)
What are the speakers in Polk Audio's RTi Series?
RTi A5 is a member of Polk Audio's RTi series of Passive speakers. Below you can see the main specs of these speakers.
Polk Audio RTi Series Speakers
**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.
What is the Frequency Response of the Polk RTi A5 speaker?
Polk RTi A5 has a Frequency response range of 40-26k Hz at ±3dB and Power Range of 20-250 watts. At a minimum frequency of 40 Hz, RTi A5 will provide a deep bass that will probably satisfy majority of listeners, especially for music. Movie lovers and music listeners who like to experience a full range response will still benefit from the use of a subwooofer though.
Visit our Powered Subwoofers section to find out more about the available subwoofer options.
Here we have a comparison of how RTi A5's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Floor-standing Speakers
High Frequency
Floor-standing Speakers
What are the Impedance and Sensitivity of the Polk RTi A5? Is it an easy-to-drive speaker?
Polk RTi A5's nominal impedance level is
8 ohms and has a sensitivity of
90 dB.
Sensitivity
Floor-standing Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Polk Audio RTi A5 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
90dB of Polk Audio RTi A5 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise.
Check the amplifiers that are in a similar price range to the Polk RTi A5:
Input Type
RTi A5 has 5-way post type connectors and lets bi-amping/bi-wiring. Bi-wiring can provide improvements in the overall transparency of your loudspeakers by running separate speaker wires to the low & high frequency drivers from a single amplifier. Bi-amping allows the use of separate amplifiers for the high & low frequency drivers of your loudspeaker which may result in greater dynamic range & lower distortion.
Polk RTi A5 External Dimensions and Weight
Polk RTi A5 has external dimensions of (Height x Width x Depth) 39-5/8 x 10-9/16 x 15-7/8inch (1007.0 x 269.0 x 404.0mm ).
Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base area of Polk RTi A5 is approximately 1086.8cm2 / 168.5inch2.
To get a better perspective on the real life size of Polk RTi A5, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).
Polk RTi A5 Speaker Size Compared to a Compact Disc
Here we place the Polk RTi A5 virtually next to a standard width amplifier and turntable on a media center to get a better idea about the size.
Polk RTi A5 Floor-standing Speaker next to a Media Stand
WeightThe Polk RTi A5 weighs 18.18kg / 40lbs per piece. Here is a comparison of how RTi A5's weight compares with the average, max and min weights in its class.
Weight
All Floor-standing Speakers
How does the Polk RTi A5 compare to the Polk Audio RTi A9?
One of the natural alternative to the Polk RTi A5 is the RTi A9 which is located one step higher in Polk Audio's Passive Floor-standing selection.
Here is a scaled size comparison of these two speakers to give you an idea how their external dimensions compare:
Comparison image of Polk RTi A5 and Polk RTi A9 Size and External Dimensions
Check the Detailed Comparison of Polk RTi A5 vs RTi A9 for more details.
Cabinet type and Materials
Polk RTi A5 has a
Bass Reflex type cabinet and a Real wood veneer finish. Bass Reflex type loudspeakers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.
Speaker Feet
Polk RTi A5 comes with
Screw-on spike feet which you can use to secure your loudspeaker on the surface that you are putting on. It is always recommended to use some kind of feet under all types of speakers. Besides limiting the movement of the speakers, it also compensates for non-flat surfaces and limits the contact surface area of the speaker. Rubber based feet also help isolating the vibrations within certain frequency ranges.
Port Position
Polk RTi A5 is a front-firing port speaker , which gives you more flexibility compared to rear firing speakers when you need to place it close against a wall or other surfaces.
Available colors
Polk RTi A5 is available in Cherry.
Does the Polk RTi A5 come with a Grille?
RTi A5 comes with grilles. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible.
Polk RTi A5 with Grille
What's in the Box of Polk RTi A5?
Here are the items that are included inside the box of RTi A5:
Cherry floor-standing speakerDetachable black cloth grille4 Screw-on spike feetOwners ManualOnline registration sheetPolk Audio product brochure
Recommended Accessories
Here is a list of accessories that we think you may need for the Polk Audio RTi A5.
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.