Polk Audio T30 is a 2-way Passive Bass Reflex Center Channel speaker by Polk Audio. It was released in 2016. Center channel speaker is an important component of a home theater system set-up as it delivers the listener significant part of the on-screen dialogue from your television. It features a 1" Soft-Dome Tweeter and 2 x 5.25" Dynamic Balance composite Woofer.
Two 5.25 inch Dynamic Balance mid-woofers either side of a 1 inch silk dome in a waveguide. Polk's own table gives a total response of 55 Hz and a -3dB limit of 40 Hz; the total figure is what is stored here, as for the rest of the T Series.
The speaker has a frequency range of 55-24k Hz and a sensitivity of 90 dB. Polk Audio T30 has an MSRP of 179$ but can often be found around 149$ per pair.
Room Size Suitability
The size of the room where you plan to use the Polk Audio T30 is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:
| Listening Environment* |
Suitability |
| Near-field | Poor |
| Small Room | Average |
| Mid-size Room | Good |
| Large Room | Average |
| Very Large Room | Poor |
(* 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.)
Polk Audio's T Series of Loudspeakers
T30 is a member of Polk Audio's T series of Passive speakers. Below you can see the main specs of these speakers.
Polk Audio T Series Speakers
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Frequency Response of the Polk Audio T30 Speaker
Polk Audio T30 has a Frequency response range of 55-24k Hz at ±3dB and Power Range of Up to 100 watts.
Here we have a comparison of how T30's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Center Channel Speakers
High Frequency
Center Channel Speakers
Impedance and Sensitivity
Polk Audio T30's nominal impedance level is
8 ohms but can go down to as low as
6 ohms, and has a sensitivity of
90 dB.
Sensitivity
Center Channel Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Polk Audio T30 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
90dB of the Polk Audio T30 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise.
Minimum Impedance of the Polk Audio T30
Even though the nominal impedance of the T30 is 8 ohms, the minimum impedance level of this speaker according to Polk Audio is 6 ohms Polk Audio T30 so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.
Check the amplifiers that are in a similar price range to the Polk Audio T30:
Input Type
T30 features 5-way post type connectors. Bi-amping and Bi-wiring are not possible.
Polk Audio T30 External Dimensions and Weight
Polk Audio T30 has external dimensions of (Height x Width x Depth) 6-1/2 x 19 x 8-1/2inch (165.0 x 483.0 x 216.0mm ).
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 Audio T30 is approximately 1043.3cm2 / 161.7inch2.
Weight
All Center Channel Speakers
Weight
Center Channel Speakers under $300
Cabinet type and Materials
Polk Audio T30 has a
Bass Reflex type cabinet. 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.
Port Position
Polk Audio T30 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.
Does the Polk Audio T30 come with a Grille?
T30 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.
Recommended Accessories
Here is a list of accessories that we think you may need for the Polk Audio T30.
Official Product Page
Official manufacturer's product page for the Polk Audio T30 speaker can be found below:
Official Product Page for Polk Audio T30
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.