In this review, we will be comparing Dymension DM20 and Dymension DM10, two Passive Center Channel speakers by Definitive Technology Let's have a brief look at the main features
of Definitive Dymension DM20 and Definitive Dymension DM10 first before getting into our more
detailed comparison.
Dymension DM20 and Dymension DM10 are members of Definitive Technology's Dymension series of speakers. Below you can find the loudspeakers from this series.
Definitive Technology Dymension Series History
What size room are the Definitive Dymension DM20 and Definitive Dymension DM10 speakers good for?
The size of the room in which you are planning to use these loudspeakers is an important decision factor. Here we have compared their suitability to various sizes of environments considering their size and max power parameters:
In the following sections, we will get into more detail in order to better understand how the Definitive Dymension DM20 and Definitive Dymension DM10 compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.
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Drivers
Both Dymension DM20 and Dymension DM10 are 2-way speakers.
| Driver |
Definitive Dymension DM20 |
Definitive Dymension DM10 |
|
Driver Setup
|
2-way
|
2-way
|
|
Tweeter
|
1-inch
|
1-inch
|
|
Midrange
|
- |
- |
|
Woofer
|
4 x 4.5-inch
|
2 x 5.25-inch
|
Dymension DM20 features a 1" aluminum oxide Hard-Dome Tweeter and 4 x 4.5" Polypropelene Woofer . On the other hand, the Dymension DM10 features a 1" aluminum oxide Hard-Dome Tweeter and 2 x 5.25" Polypropelene Woofer .
Frequency Response
Dymension DM20 has a frequency range of 91-23 kHz whereas Dymension DM10 has a frequency range of 81-23 kHz. With a minimum frequency of 81Hz, the Dymension DM10 can go significantly deeper on the low side and provide stronger bass compared to the Dymension DM20's min frequency of 91Hz.
Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers in the Center Channel class in our database.
Low Frequency
Center Channel Speakers
High Frequency
Center Channel Speakers
Definitive Dymension DM20
Definitive Dymension DM10
None of these speakers achieves full range experience which is commonly agreed as 20Hz-20kHz. In order to achieve lower lows / deeper bass, we recommend you pair these with a subwoofer. Visit our Powered Subwoofers section to find out more about the available options.
Impedance and Sensitivity
Dymension DM20 and Dymension DM10 have the same Impedance of 4 ohms but where they differ is the sensitivity levels. Dymension DM20 sensitivity is rated at 89 dB and the Dymension DM10's is at 90 dB. This 1 dB difference makes the Definitive Dymension DM10 a more sensitive speaker compared to Definitive Dymension DM20, hence will play louder with the same amount of watts.
One thing to keep in mind that the lower impedance speakers, especially the ones that are rated at 4 ohms may put more pressure on the amplifier unit comared to higher impedance speakers especially at high volume levels, so make sure the amp you pair with the Dymension DM20 and the Dymension DM20 can provide this impedance level.
Sensitivity
Center Channel Speakers
Power Range
Power
range is the range of input power in watts RMS that a loudspeaker is designed to handle. While using an amplifier within this range ensures the nominal performance , inputting a power that is higher than the max wattage can result in a damaged speaker.
Dymension DM20 and Dymension DM10 has the same power range of 50-200 watts.
Keep in mind that a higher max power handling value doesn't necessarily make that a louder speaker
compared to a lower max handling speaker. Loudness or the sound level is also impacted by parameters
such as Impedance, sensitivity and system efficiencies.
Input Type and Bi-Amping / Bi-Wiring
Dymension DM20 features Binding post type posts and Dymension DM10 has a Binding post type posts. None of these speakers feature bi-amping/bi-wiring.
Definitive Dymension DM20's Binding post terminals
Definitive Dymension DM10's Binding post terminals
Physical Specs
Size of a speaker can sometimes become an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare Definitive Dymension DM20's and Definitive Dymension DM10's external dimensions. Definitive Dymension DM20 has external dimensions of 134 x 775 x 166 mm ( 5.3 x 30.5 x 6.5 in) whereas Definitive Dymension DM10 has external dimensions of 186 x 496 x 311 mm ( 7.3 x 19.5 x 12.2 in) .
Definitive Dymension DM20 is 52mm shorter and 145mm less deeper than Definitive Dymension DM10 but it is also 279mm wider.
Base Surface Area Comparison
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base surface area of the Definitive Dymension DM20 is approximately 1286.5cm2 / 199.4inch2 and base area of the Definitive Dymension DM10 is approximately 1542.6cm2 / 239.1inch2. The Dymension DM20 requires 17% less surface area than the Dymension DM10 which gives it a small advantage on placement in tight spaces.
Weight Comparison The weight of a loudspeaker can become an important factor if you need to move and reposition the unit often. Weight of a speaker can also "sometimes" be an indicator of the rigidity of the enclosure and the quality of the internal components used. The Definitive Dymension DM20 weighs 10.00kg / 22lbs and the Definitive Dymension DM10 weighs 13.20kg / 29lbs. This makes the Dymension DM10 32% heavier than the Dymension DM20.
Here is a comparison of how Dymension DM20 and Dymension DM10's weights compare with the average, max and min weights in Passive Center Channel class.
Weight
All Center Channel Speakers
Definitive Dymension DM20
Definitive Dymension DM10
 Number of Woofers |
4
vs
2
|
More woofers |
 Mounting Bracket |
Yes
vs
No
|
Allows mounting on walls |
 Height |
134mm
vs
186mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
1286cm2 (775x166mm)
vs
1542cm2 (496x311mm)
|
Takes less floor space |
 Sensitivity |
90 dB
vs
89 dB
|
Play louder with same amount of amplification power |
| Woofer Size |
5.25 inches
vs
4.5 inches
|
Larger woofer |
| Low Frequency Response |
81 Hz
vs
91 Hz
|
Generates deeper bass |
 Passive Radiator |
1 x 9-inch
vs
None
|
Increases the bass performance |
 Price per pair* |
699USD
vs
799USD
|
costs less (*prices may change depending on the seller, location and time) |
| General |
Definitive Technology Dymension DM20 |
Definitive Technology Dymension DM10 |
| Brand |
Definitive Technology |
Definitive Technology |
| Speaker Type |
Center channel speaker |
Center channel speaker |
| Power Range |
50-200 watts |
50-200 watts |
| Sensitivity |
89 dB |
90 dB |
| Impedance |
4 ohms |
4 ohms |
| Frequency Response |
91-23 kHz |
81-23 kHz |
Drivers |
|
|
| Woofer Quantity |
4 |
2 |
| Woofer Size |
4.5" |
5.25" |
| Woofer Composition |
Polypropelene |
Polypropelene |
| Woofer Surround Material |
Rubber |
Rubber |
| Tweeter Size |
1" |
1" |
| Tweeter Type |
Hard-Dome |
Hard-Dome |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
Physical Specs |
|
|
| Height |
134.0mm (5.3") |
186.0mm (7.3") |
| Width |
775.0mm (30.5") |
496.0mm (19.5") |
| Depth |
166.0mm (6.5") |
311.0mm (12.2") |
| Weight |
10.00kg (22lbs) |
13.20kg (29lbs) |
| Enclosure |
Acoustic Suspension |
Passive Radiator |
| Available Colors |
Black |
Black |
| Grille |
Yes |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
| Biamp Inputs |
No |
No |
Other |
|
|
| Parts Warranty |
5 Years |
5 Years |
| Labor Warranty |
5 Years |
5 Years |