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Definitive Technology Dymension DM80 Review
Definitive Technology Dymension DM80

Main Features

  • BiPolar Driver Array
  • 1" 2 x Hard-Dome Tweeter
  • 4 x 5.25" BDSS with Linear Response Waveguide Midrange
  • 12" Polypropelene Woofer
  • 2 x 12-inch Passive Radiators
  • 400-watts (Class D Amp) Built-in Subwoofer
  • 28-23 kHz Frequency Response
  • 90 dB Sensitivity
  • Impedance: 4ohms
  • Power Range: 50-300watts
  • Weight:83.10 lbs / 37.70 kg
  • Dimensions(HxWxD): 49.4"x11.3"x16" / 1255 x 287 x 407 mm
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Definitive Dymension DM80 Review
Definitive Dymension DM80 Definitive Dymension...
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Definitive Technology Dymension DM80 is a 3-way Passive Passive Radiator Floor-standing speaker with Bipolar Driver Array by Definitive Technology. It features a 1" 2 x Hard-Dome Tweeter, 4 x 5.25" Midrange and 1 x 12" Polypropelene Woofer. Dymension DM80 also employs 2 x 12-inch passive radiators. In addition, the speaker has a 400-watts (Class D Amp) built-in Sub-woofer. The speaker has a frequency range of 28-23 kHz and a sensitivity of 90 dB. Definitive Dymension DM80 has an MSRP of 4998$ per pair. Dymension DM80 also gives the user optional Dolby Atmos capability by equipping the unit with upward-firing Dolby Atmos drivers.

What size of room is the Definitive Dymension DM80 speaker good for?

The size of the room in which you are planning to use the Definitive Dymension DM80 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-fieldAre you nuts?
Small RoomPoor
Mid-size RoomAverage
Large RoomGood
Very Large RoomGood

(* 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.)

Definitive Dymension DM80 Speaker Structure
Definitive Dymension DM80 Speaker Structure

What are the speakers in Definitive Technology's Dymension Series?

Dymension DM80 is a member of Definitive Technology's Dymension series of Passive speakers. Below you can see the main specs of these speakers.

Definitive Technology Dymension Series Speakers
Model Frequency SensitivityImpedance Woofer
Definitive Dymension DM80
28-23k Hz 90 dB4Ω 1 x 12"
Definitive Dymension DM30
Compare
41-23k Hz 93 dB4Ω 1 x 8"
Definitive Dymension DM20
Compare
91-23k Hz 89 dB4Ω 4 x 4.5"
Definitive Dymension DM40
Compare
55-23k Hz 87 dB4Ω 4 x 4.5"
Definitive Dymension DM60
Compare
34-23k Hz 88 dB4Ω 1 x 8"
Definitive Dymension DM70
Compare
30-23k Hz 90 dB4Ω 1 x 10"
Definitive Dymension DM10
Compare
81-23k Hz 90 dB4Ω 2 x 5.25"
Definitive Technology Dymension Series Speakers
Definitive Technology Dymension 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 Definitive Dymension DM80 speaker?

Definitive Dymension DM80 has a Frequency response range of 28-23 kHz at ±3dB (23 Hz–30 kHz (-10dB)) and Power Range of 50-300 watts. At a minimum frequency of 28 Hz, Dymension DM80 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.

To focus on the subwoofers that are in a similar price range with Definitive Dymension DM80, check out the Powered Subwoofers under $5000. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how Dymension DM80'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
Definitive Dymension DM80
Min
Average
Max
High Frequency
Floor-standing Speakers
Definitive Dymension DM80
Min
Average
Max

Among the speakers in our database with a max MSRP price of 5000$ (Pair), these are the 3 Passive Floor-standing speakers that have the deeper bass levels than the Definitive Dymension DM80's 28Hz:

  • KLH Kendall with Low Frequency of 25 Hz (Compare w/ Dymension DM80)
  • GoldenEar Triton Five with Low Frequency of 26 Hz (Compare w/ Dymension DM80)
  • Monitor Audio Silver 500 7G with Low Frequency of 27 Hz (Compare w/ Dymension DM80)


What are the Impedance and Sensitivity of the Definitive Dymension DM80? Is it an easy-to-drive speaker?

Definitive Dymension DM80's nominal impedance level is 4 ohms and has a sensitivity of 90 dB.

Sensitivity
Floor-standing Speakers
Definitive Dymension DM80
Min
Average
Max

Nominal Impedance of 4 Ohms means that the Definitive Technology Dymension DM80 is a difficult to drive speaker from nominal Impedance perspective, make sure that you choose an amplifier than can provide 4 Ohms for this speaker.
Many AVRs (audio/video receiver) in the market may have difficulty when the speakers dip below the 4 Ohms levels (this may cause clipping or even physical damage), so we recommend to not pair the Definitive Technology Dymension DM80 with an AVR but use an Integrated Amplifier instead.

Sensitivity

90dB of Definitive Technology Dymension DM80 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 Definitive Dymension DM80:

  • Integrated Amps under 3000 USD
  • Integrated Amps under 5000 USD
  • Integrated Amps under 10000 USD
  • All Integrated Amplifiers

Input Type

Dymension DM80 features Binding post type connectors. Bi-amping and Bi-wiring are not possible.
Definitive Dymension DM80 Back View
Definitive Dymension DM80 Back View

Definitive Dymension DM80 Terminals
Definitive Dymension DM80's Binding post terminals

Definitive Dymension DM80 External Dimensions and Weight

Definitive Dymension DM80 has external dimensions of (Height x Width x Depth) 49.4 x 11.3 x 16.0 in (1255 x 287 x 407 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 Definitive Dymension DM80 is approximately 1168.1cm2 / 181.1inch2.

Weight

The Definitive Dymension DM80 weighs 37.70kg / 82.9lbs per piece. Here is a comparison of how Dymension DM80's weight compares with the average, max and min weights in its class.

Weight
All Floor-standing Speakers
Definitive Dymension DM80
Min
Average
Max
Weight
Floor-standing Speakers under $5000
Definitive Dymension DM80
Min
Average
Max
Definitive Dymension DM80  - Top View
Definitive Dymension DM80 - Top View

Cabinet type and Materials

Definitive Dymension DM80 has a Passive Radiator type cabinet.

Speaker Feet

Definitive Dymension DM80 comes with 4 Adjustable hard floor glides, 4 Adjustable carpet spikes 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.

Available colors

Definitive Dymension DM80 is available in Black.

Does the Definitive Dymension DM80 come with a Grille?

Dymension DM80 comes with fixed 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.

What's in the Box of Definitive Dymension DM80?

Here are the items that are included inside the box of Dymension DM80:
  • 4 Adjustable hard floor glides
  • 4 Adjustable carpet spikes
  • Recommended Accessories

    Here is a list of accessories that we think you may need for the Definitive Technology Dymension DM80.

    • Speaker Cable and Connectors
      • Speaker Cables with Banana Plugs: If you know the lenght of the cable you need, this is the easier option to connect your speakers with your amp.
      • Speaker Cables without Connectors: If you are not sure about the lenght or need longer than standard cables with plugs, choose this option.
      • Banana Connectors and Plugs: If you chose the cables without connectors option or already have some cable around, pick the banana plugs separately.
    • Vibration Isolators: IsoAcoustics isolatorsmore affordable options too.
    • Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.

    Official Product Page

    Official manufacturer's product page for the Definitive Technology Dymension DM80 speaker can be found below:
    Official Product Page for Definitive Dymension DM80

    Warranty

    5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.

    Definitive Dymension DM80  Lifestyle
    Definitive Dymension DM80 Lifestyle

    Definitive Technology Dymension DM80 Alternatives in Passive Floor-standing Speakers
    Model Type Sensitivity Impedance Frequency
    Polk R700
    Compare
    3-way 88 dB 8 ohms 38-38k Hz
    B&W 702 S3
    Compare
    3-way 90 dB 8 ohms 46-28k Hz
    B&W 704 S3
    Compare
    3-way 88 dB 8 ohms 46-28k Hz
    Wharfedale EVO4.4
    Compare
    3-way 89 dB 8 ohms 44-22k Hz
    B&W 703 S2
    Compare
    3-way 89 dB 8 ohms 46-28k Hz
    B&W 703 S3
    Compare
    3-way 90 dB 8 ohms 46-28k Hz
    DALI Opticon 8 II
    Compare
    3-way 88 dB 4 ohms 38-30k Hz
    Wharfedale Elysian 4
    Compare
    3-way 92 dB 4 ohms 30-22k Hz
    KEF R7
    Compare
    3-way 88 dB 8 ohms 48-28k Hz
    Klipsch RP-8060FA II
    Compare
    2-way 98 dB 8 ohms 35-25k Hz
    Frequently Asked Questions about Definitive Technology Dymension DM80
    What is the External Dimensions of Definitive Technology Dymension DM80
    What is the Speaker Sensitivity of Definitive Technology Dymension DM80
    is the Definitive Technology Dymension DM80 an easy to drive speaker?



    Definitive Dymension DM80 Detailed Specifications

    General
    BrandDefinitive Technology
    Full Model NameDefinitive Technology Dymension DM80
    Speaker Type3-way Floor-standing
    Power Range50-300 watts
    Sensitivity90 dB
    Impedance4 ohms
    Frequency Response28-23 kHz
    DRIVERS
    Woofer Size12-inch
    Woofer CompositionPolypropelene
    Woofer SurroundRubber
    Tweeter Size1-inch
    Tweeter Type2 x Hard-Dome
    Midrange Size5.25-inch

    CONNECTIONS
    Connector TypeBinding post
    Biamp InputsNo
    PHYSICAL SPECS
    Height1255.0mm ( 49.4-inch)
    Width287.0mm ( 11.3-inch)
    Depth407.0mm ( 16-inch)
    Height1255.0mm ( 49.4-inch)
    Weight37.70kg ( 83.10 lbs)
    EnclosurePassive Radiator
    Available ColorsBlack
    Mounting BracketNo
    GrilleYes
    Moisture ResistanceNo
    OTHER
    Handheld RemoteNo
    Parts Warranty5 Years
    Labor Warranty5 Years
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