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Sonus Faber Lumina III Review
Sonus Faber Lumina III

Main Features

  • 1.15" high definition DAD Tweeter
  • 6" paper cone Midrange
  • 2 x 6" paper cone Woofer
  • 40-24k Hz Frequency Response
  • 89 dB Sensitivity
  • Impedance: 4ohms
  • Power Range: 50-250watts
  • Weight:35.10 lbs / 15.90 kg
  • Dimensions(HxWxD): 38.9"x9"x10.9" / 989.0 x 228.0 x 278.0mm
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Sonus Lumina III Review

Sonus Faber Lumina III is a 3-way Passive Bass Reflex Floor-standing speaker by Sonus Faber. It features a 1.15" high definition DAD Tweeter, 1 x 6" Midrange and 2 x 6" paper cone Woofer. The speaker has a frequency range of 40-24k Hz and a sensitivity of 89 dB. Sonus Lumina III has an MSRP of 2199$ per pair.

What size of room is the Sonus Lumina III speaker good for?

The size of the room in which you are planning to use the Sonus Lumina III 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-fieldBad
Small RoomPoor
Mid-size RoomAverage
Large RoomGood
Very Large RoomAverage

(* 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 Sonus Faber's Lumina Series?

Lumina III is a member of Sonus Faber's Lumina series of Passive speakers. Below you can see the main specs of these speakers.

Sonus Faber Lumina Series Speakers
Model Frequency SensitivityImpedance Woofer
Sonus Lumina V
Compare
38-24k Hz 90 dB4Ω 2 x 6.5"
Sonus Lumina II
Compare
55-24k Hz 86 dB4Ω 1 x 6"
Sonus Lumina III
40-24k Hz 89 dB4Ω 2 x 6"
Sonus Lumina Center I
Compare
65-24k Hz 87 dB4Ω 2 x 4.75"
Sonus Lumina I
Compare
65-24k Hz 88 dB4Ω 1 x 4.75"
Sonus Faber Lumina Series Speakers
Sonus Faber Lumina 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 Sonus Lumina III speaker?

Sonus Lumina III has a Frequency response range of 40-24k Hz at ±3dB and Power Range of 50-250 watts. At a minimum frequency of 40 Hz, Lumina III 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 Sonus Lumina III, check out the Powered Subwoofers under $3000. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how Lumina III'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
Sonus Lumina III
Min
Average
Max
High Frequency
Floor-standing Speakers
Sonus Lumina III
Min
Average
Max

Among the speakers in our database with a max MSRP price of 3000$ (Pair), these are the 5 Passive Floor-standing speakers that have the deeper bass levels than the Sonus Lumina III's 40Hz:

  • KLH Kendall with Low Frequency of 25 Hz (Compare w/ Lumina III)
  • GoldenEar Triton Five with Low Frequency of 26 Hz (Compare w/ Lumina III)
  • KLH Concord with Low Frequency of 28 Hz (Compare w/ Lumina III)
  • SVS Ultra Tower with Low Frequency of 28 Hz (Compare w/ Lumina III)
  • GoldenEar Triton Seven with Low Frequency of 29 Hz (Compare w/ Lumina III)


What is the Crossover frequency of Sonus Lumina III?

Lumina III is a 3-way speaker and its crossover frequency between the woofer and the midrange set to 350Hz and the Crossover frequency between the midrange and the tweeter is set to 3500Hz.

Sonus Lumina III Crossover
Sonus Lumina III Crossover is set to 350 and 3500 Hz

What are the Impedance and Sensitivity of the Sonus Lumina III? Is it an easy-to-drive speaker?

Sonus Lumina III's nominal impedance level is 4 ohms and has a sensitivity of 89 dB.

Sensitivity
Floor-standing Speakers
Sonus Lumina III
Min
Average
Max

Nominal Impedance of 4 Ohms means that the Sonus Faber Lumina III 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 Sonus Faber Lumina III with an AVR but use an Integrated Amplifier instead.

Sensitivity

89dB of Sonus Faber Lumina III 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 Sonus Lumina III:

  • Integrated Amps under 2000 USD
  • Integrated Amps under 3000 USD
  • Integrated Amps under 5000 USD
  • All Integrated Amplifiers

Input Type

Lumina III has Binding 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.

Sonus Lumina III External Dimensions and Weight

Sonus Lumina III has external dimensions of (Height x Width x Depth) 38.9 x 9 x 10.9inch (989.0 x 228.0 x 278.0mm ).

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 Sonus Lumina III is approximately 633.8cm2 / 98.2inch2.

To get a better perspective on the real life size of Sonus Lumina III, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).

Sonus Lumina III Real Life Body Size Comparison
Sonus Lumina III Speaker Size Compared to a Compact Disc

Here we place the Sonus Lumina III virtually next to a standard width amplifier and turntable on a media center to get a better idea about the size.

Sonus Lumina III placed next to a Media Stand
Sonus Lumina III Floor-standing Speaker next to a Media Stand

Weight

The Sonus Lumina III weighs 15.90kg / 35lbs per piece. Here is a comparison of how Lumina III's weight compares with the average, max and min weights in its class.

Weight
All Floor-standing Speakers
Sonus Lumina III
Min
Average
Max
Weight
Floor-standing Speakers under $3000
Sonus Lumina III
Min
Average
Max

How does the Sonus Lumina III compare to the Sonus Faber Lumina V?

One of the natural alternative to the Sonus Lumina III is the Lumina V which is located one step higher in Sonus Faber'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:

Sonus Lumina III vs Sonus Lumina V Size Comparison - Front View
Comparison image of Sonus Lumina III and Sonus Lumina V Size and External Dimensions

Check the Detailed Comparison of Sonus Lumina III vs Lumina V for more details.

Cabinet type and Materials

Sonus Lumina III has a Bass Reflex type cabinet and a real multilayer wood 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

Sonus Lumina III comes with the parts below which you can use to secure your loudspeaker on the surface that you are putting on:
  • 4 Spikes
  • 4 Under spikes
  • 4 Spikes locks
  • 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

    Sonus Lumina III is a bottom-firing port speaker

    Available colors

    Sonus Lumina III is available in Black, Wenge and Walnut.

    Does the Sonus Lumina III come with a Grille?

    Lumina III comes with magnetic 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. Since the included grille of the Lumina III is magnetic type, it is very easy to put it on and off.

    What's in the Box of Sonus Lumina III?

    Here are the items that are included inside the box of Lumina III:
  • Floorstanding loudspeaker
  • 1 Manual
  • 2 Jumpers
  • 2 Grilles
  • 2 Fabric dust guards
  • 4 Spikes
  • 4 Under spikes
  • 4 Spikes locks
  • User's Manual

    For more information about how to setup, use and maintain the Sonus Faber Lumina III, use the direct link below to download the official manual document:
    Download User Manual for Sonus Lumina III

    Official Brochure

    Here is a link to download the official brochure for the Sonus Faber Lumina III speaker:
    Official Brochure for Sonus Lumina III

    Official Product Page

    Official manufacturer's product page for the Sonus Faber Lumina III speaker can be found below:
    Official Product Page for Sonus Lumina III

    Related Videos

    Sonus Lumina III  Lifestyle
    Sonus Lumina III Lifestyle

    Sonus Faber Lumina III Alternatives in Passive Floor-standing Speakers
    Model Type Sensitivity Impedance Frequency
    Polk R700
    Compare
    3-way 88 dB 8 ohms 38-38k Hz
    Klipsch R-625FA
    Compare
    2-way 96 dB 8 ohms 38-21k Hz
    Klipsch RP-8000F II
    Compare
    2-way 98 dB 8 ohms 32-25k Hz
    Triangle Borea BR09
    Compare
    3-way 92.5 dB 8 ohms 35 - 22k Hz
    Wharfedale EVO4.4
    Compare
    3-way 89 dB 8 ohms 44-22k Hz
    B&W 704 S3
    Compare
    3-way 88 dB 8 ohms 46-28k Hz
    Polk R600
    Compare
    2-way 87.5 dB 8 ohms 43-38k Hz
    B&W 703 S2
    Compare
    3-way 89 dB 8 ohms 46-28k Hz
    DALI Opticon 8 II
    Compare
    3-way 88 dB 4 ohms 38-30k Hz
    Emotiva Airmotiv T3+
    Compare
    3-way 91 dB 4 ohms 29 Hz – 28 kHz
    Frequently Asked Questions about Sonus Faber Lumina III
    What is the External Dimensions of Sonus Faber Lumina III
    What is the Speaker Sensitivity of Sonus Faber Lumina III
    is the Sonus Faber Lumina III an easy to drive speaker?



    Sonus Lumina III Detailed Specifications

    General
    BrandSonus Faber
    Full Model NameSonus Faber Lumina III
    Speaker Type3-way Floor-standing
    Power Range50-250 watts
    Sensitivity89 dB
    Impedance4 ohms
    Frequency Response40-24k Hz
    DRIVERS
    Woofer Size6-inch
    Woofer Compositionpaper cone
    Tweeter Size1.15-inch
    Tweeter Typehigh definition DAD
    Midrange Size6-inch
    Crossover freq350 and 3500 Hz
    Port Positionbottom

    CONNECTIONS
    Connector TypeBinding post
    Biamp InputsYes
    Port Positionbottom
    PHYSICAL SPECS
    Height989.0mm ( 38.9-inch)
    Width228.0mm ( 9-inch)
    Depth278.0mm ( 10.9-inch)
    Height989.0mm ( 38.9-inch)
    Weight15.90kg ( 35.10 lbs)
    EnclosureBass Reflex
    Finishreal multilayer wood
    Available ColorsBlack, Wenge, Walnut
    GrilleYes
    Moisture ResistanceNo
    OTHER
    Handheld RemoteNo
    Parts Warranty
    Labor Warranty
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