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Triangle Borea BR09 Review
Triangle Borea BR09

Main Features

  • 1" dome Tweeter
  • 6" Cellulose paper Midrange
  • 3 x 6" fiberglass Woofer
  • 35 - 22k Hz Frequency Response
  • 92.5 dB Sensitivity
  • Impedance: 8ohms
  • Power Range: up to 170watts
  • Weight:47.96 lbs / 21.80 kg
  • Dimensions(HxWxD): 43.1"x8.1"x12.3" / 1095.0 x 206.0 x 314.0mm
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Triangle Borea BR09 Review

Triangle Borea BR09 is a 3-way Passive Bass Reflex Floor-standing speaker by Triangle. It features a 1" dome Tweeter, 1 x 6" Midrange and 3 x 6" fiberglass Woofer. The speaker has a frequency range of 35 - 22k Hz and a sensitivity of 92.5 dB. Triangle Borea BR09 has an MSRP of 1850$ per pair.

What size of room is the Triangle Borea BR09 speaker good for?

The size of the room in which you are planning to use the Triangle Borea BR09 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 RoomGood
Large RoomGood
Very Large RoomPoor

(* 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 Triangle's Borea Series?

Borea BR09 is a member of Triangle's Borea series of Passive speakers. Below you can see the main specs of these speakers.

Triangle Borea Series Speakers
Model Frequency SensitivityImpedance Woofer
Triangle Borea BR07
Compare
44-22k Hz 91 dB8Ω 1 x 6"
Triangle Borea BR09
35-22k Hz 92.5 dB8Ω 3 x 6"
Triangle Borea BR02
Compare
51-22k Hz 89 dB8Ω 1 x 5"
Triangle Borea BR03
Compare
46-22k Hz 90 dB8Ω 1 x 6"
Triangle Borea BR08
Compare
40-22k Hz 92 dB8Ω 2 x 6"


**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 Triangle Borea BR09 speaker?

Triangle Borea BR09 has a Frequency response range of 35 - 22k Hz at ±3dB and Power Range of up to 170 watts. At a minimum frequency of 35 Hz, Borea BR09 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 Triangle Borea BR09, check out the Powered Subwoofers under $2000. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how Borea BR09'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
Triangle Borea BR09
Min
Average
Max
High Frequency
Floor-standing Speakers
Triangle Borea BR09
Min
Average
Max

Among the speakers in our database with a max MSRP price of 2000$ (Pair), these are the 5 Passive Floor-standing speakers that have the deeper bass levels than the Triangle Borea BR09's 35Hz:

  • KLH Kendall with Low Frequency of 25 Hz (Compare w/ Borea BR09)
  • KLH Concord with Low Frequency of 28 Hz (Compare w/ Borea BR09)
  • GoldenEar Triton Seven with Low Frequency of 29 Hz (Compare w/ Borea BR09)
  • PSB Imagine X2T with Low Frequency of 30 Hz (Compare w/ Borea BR09)
  • SVS Prime Tower with Low Frequency of 30 Hz (Compare w/ Borea BR09)


What is the Crossover frequency of Triangle Borea BR09?

Borea BR09 is a 3-way speaker and its crossover frequency between the woofer and the midrange set to 310Hz and the Crossover frequency between the midrange and the tweeter is set to 3900Hz.

What are the Impedance and Sensitivity of the Triangle Borea BR09? Is it an easy-to-drive speaker?

Triangle Borea BR09's nominal impedance level is 8 ohms but can go down to as low as 3.3 ohms, and has a sensitivity of 92.5 dB.

Sensitivity
Floor-standing Speakers
Triangle Borea BR09
Min
Average
Max

8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Triangle Borea BR09 is not considered a difficult to drive speaker from nominal Impedance perspective.

Sensitivity

93dB of Triangle Borea BR09 is considered a high sensitivity compared to average stereo speaker which makes Borea BR09 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 Triangle Borea BR09 will be a good choice.

Minimum Impedance of Triangle Borea BR09

Even though the nominal impedance of the Borea BR09 is 8 ohms, the minimum impedance level of this speaker according to Triangle is 3.3 ohms Triangle Borea BR09 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 Triangle Borea BR09:

  • Integrated Amps under 1500 USD
  • Integrated Amps under 2000 USD
  • Integrated Amps under 3000 USD
  • All Integrated Amplifiers

Input Type

Borea BR09 features Binding post type connectors. Bi-amping and Bi-wiring are not possible.
Triangle Borea BR09 Back View
Triangle Borea BR09 Back View

Triangle Borea BR09 External Dimensions and Weight

Triangle Borea BR09 has external dimensions of (Height x Width x Depth) 43.1 x 8.1 x 12.3inch (1095.0 x 206.0 x 314.0mm ).

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 Triangle Borea BR09 is approximately 646.8cm2 / 100.3inch2.

To get a better perspective on the real life size of Triangle Borea BR09, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).

Triangle Borea BR09 Real Life Body Size Comparison
Triangle Borea BR09 Speaker Size Compared to a Compact Disc

Here we place the Triangle Borea BR09 virtually next to a standard width amplifier and turntable on a media center to get a better idea about the size.

Triangle Borea BR09 placed next to a Media Stand
Triangle Borea BR09 Floor-standing Speaker next to a Media Stand

Weight

The Triangle Borea BR09 weighs 21.80kg / 48lbs per piece. Here is a comparison of how Borea BR09's weight compares with the average, max and min weights in its class.

Weight
All Floor-standing Speakers
Triangle Borea BR09
Min
Average
Max
Weight
Floor-standing Speakers under $2000
Triangle Borea BR09
Min
Average
Max

Cabinet type and Materials

Triangle Borea BR09 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.

Speaker Feet

Triangle Borea BR09 comes with the parts below which you can use to secure your loudspeaker on the surface that you are putting on:
  • 2 x pedestals
  • 8 x screws
  • 8 x adhesive rubber plots
  • 8 x decoupling spikes
  • 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

    Triangle Borea BR09 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.

    Available colors

    Triangle Borea BR09 is available in Light Oak, Walnut, Black and White.

    Does the Triangle Borea BR09 come with a Grille?

    Borea BR09 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 Borea BR09 is magnetic type, it is very easy to put it on and off.

    Triangle Borea BR09  with Grille
    Triangle Borea BR09 with Grille

    What's in the Box of Triangle Borea BR09?

    Here are the items that are included inside the box of Borea BR09:
  • 2 x Borea speakers
  • 2 x protections grids
  • 2 x pedestals
  • 8 x screws
  • 8 x adhesive rubber plots
  • 8 x decoupling spikes
  • 1 x user manual
  • User's Manual

    For more information about how to setup, use and maintain the Triangle Borea BR09, use the direct link below to download the official manual document:
    Download User Manual for Triangle Borea BR09

    Official Brochure

    Here is a link to download the official brochure for the Triangle Borea BR09 speaker:
    Official Brochure for Triangle Borea BR09

    Official Product Page

    Official manufacturer's product page for the Triangle Borea BR09 speaker can be found below:
    Official Product Page for Triangle Borea BR09

    Warranty

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

    Triangle Borea BR09 Alternatives in Passive Floor-standing Speakers
    Model Type Sensitivity Impedance Frequency
    Triangle Borea BR07
    Compare
    3-way 91 dB 8 ohms 44 - 22k Hz
    Polk R700
    Compare
    3-way 88 dB 8 ohms 38-38k Hz
    Klipsch R-820F
    Compare
    2-way 97 dB 8 ohms 35-21k 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
    Klipsch RP-6000F
    Compare
    2-way 97 dB 8 ohms 34-25k Hz
    Wharfedale EVO4.4
    Compare
    3-way 89 dB 8 ohms 44-22k Hz
    Polk ES60
    Compare
    2-way 90 dB 8 ohms 32-40k Hz
    Polk R600
    Compare
    2-way 87.5 dB 8 ohms 43-38k Hz
    Polk R500
    Compare
    2-way 87 dB 8 ohms 49-38k Hz
    Frequently Asked Questions about Triangle Borea BR09
    What is the External Dimensions of Triangle Borea BR09
    What is the Speaker Sensitivity of Triangle Borea BR09
    is the Triangle Borea BR09 an easy to drive speaker?



    Triangle Borea BR09 Detailed Specifications

    General
    BrandTriangle
    Full Model NameTriangle Borea BR09
    Speaker Type3-way Floor-standing
    Power Rangeup to 170 watts
    Sensitivity92.5 dB
    Impedance8 ohms
    Frequency Response35 - 22k Hz
    DRIVERS
    Woofer Size6-inch
    Woofer Compositionfiberglass
    Tweeter Size1-inch
    Tweeter Typedome
    Midrange Size6-inch
    Crossover freq310Hz and 3900Hz
    Port Positionfront

    CONNECTIONS
    Connector TypeBinding post
    Biamp InputsNo
    Port Positionfront
    PHYSICAL SPECS
    Height1095.0mm ( 43.1-inch)
    Width206.0mm ( 8.1-inch)
    Depth314.0mm ( 12.3-inch)
    Height1095.0mm ( 43.1-inch)
    Weight21.80kg ( 47.96 lbs)
    EnclosureBass Reflex
    Available ColorsLight Oak, Walnut, Black, White
    Mounting BracketNo
    GrilleYes
    Moisture ResistanceNo
    OTHER
    Handheld RemoteNo
    Parts Warranty5 Years
    Labor Warranty5 Years
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