Q Acoustics 3090c is a 2-way Passive Bass Reflex Center Channel speaker by Q Acoustics. 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 0.9" Soft-dome Tweeter and 2 x 4" Coated paper Woofer. The speaker has a frequency range of 68-30k Hz and a sensitivity of 92 dB. Q Acoustics 3090c has an MSRP of 399$.
Room Size Suitability
The size of the room where you plan to use the Q Acoustics 3090c 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 | Average |
| Small Room | Good |
| Mid-size Room | Average |
| Large Room | Poor |
| Very Large Room | Bad |
(* 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.)
Q Acoustics's 3000c Series of Loudspeakers
3090c is a member of Q Acoustics's 3000c series of Passive speakers. Below you can see the main specs of these speakers.
Q Acoustics 3000c Series Speakers
Q Acoustics 3000c Series Speakers
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Frequency Response of the Q Acoustics 3090c Speaker
Q Acoustics 3090c has a Frequency response range of 68-30k Hz at ±-6.0dB and Power Range of 25-120 watts.
Here we have a comparison of how 3090c'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
Crossover frequency of the Q Acoustics 3090c?
The Crossover frequency of the 3090c is set to 2900 Hz. This is the threshold frequency where the higher frequency signals over this level are sent to the tweeter and the lower-frequency signals are sent to the woofer by the crossover component.
Impedance and Sensitivity
Q Acoustics 3090c's nominal impedance level is
6 ohms but can go down to as low as
3.7 ohms, and has a sensitivity of
92 dB.
Sensitivity
Center Channel Speakers
Nominal Impedance of the 6 Ohms makes the Q Acoustics 3090c a relatively difficult to drive speaker compared to more frequently found 8 ohms speakers from nominal Impedance perspective.
Sensitivity
92dB of the Q Acoustics 3090c is considered a high sensitivity compared to average stereo speaker which makes 3090c an easy to drive from Sensitivity perspective. If you are planning to power your speaker with a Tube amp which are generally very low power, the Q Acoustics 3090c will be a good choice.
Minimum Impedance of the Q Acoustics 3090c
Even though the nominal impedance of the 3090c is 6 ohms, the minimum impedance level of this speaker according to Q Acoustics is 3.7 ohms Q Acoustics 3090c 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 Q Acoustics 3090c:
Input Type
3090c features Binding post type connectors. Bi-amping and Bi-wiring are not possible.
Q Acoustics 3090c External Dimensions and Weight
Q Acoustics 3090c has external dimensions of (Height x Width x Depth) 6.3 x 16.9 x 8.5 in (159 x 430 x 216 mm ).
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 Q Acoustics 3090c is approximately 928.8cm2 / 144.0inch2.
WeightThe Q Acoustics 3090c weighs 6.50kg / 14.3lbs per piece. Here is a comparison of how 3090c's weight compares with the average, max and min weights in its class.
Weight
All Center Channel Speakers
Weight
Center Channel Speakers under $500
Cabinet type and Materials
Q Acoustics 3090c has a
Bass Reflex type cabinet and a MDF 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.
Port Position
Q Acoustics 3090c is a rear-firing port speaker so you have to make sure you leave enough space between the back of the speaker and wall or bookshelf so that it has room to breathe. 3090c comes with
2 x Foam bung so if you don't have any choice but place the speakers too close to the walls or other surfaces, you can use these plugs in order to avoid boomy or too much bass.
Available colors
Q Acoustics 3090c is available in Walnut, Black, White and Oak.
Does the Q Acoustics 3090c come with a Grille?
3090c comes with magnetic grilles in Black color choices. 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. Since the included grille of the 3090c is magnetic type, it is very easy to put it on and off.
What's in the Box of Q Acoustics 3090c?
Here are the items that are included inside the box of 3090c:
1x 3090c loudspeaker 1x Owners manual 2x Foam bung
Recommended Accessories
Here is a list of accessories that we think you may need for the Q Acoustics 3090c.
Official Product Page
Official manufacturer's product page for the Q Acoustics 3090c speaker can be found below:
Official Product Page for Q Acoustics 3090c
Warranty
5 years of parts warranty and 4 Years of labor warranty is generally provided by the manufacturer.