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.
Room Size Suitability
The size of the room where you plan to use the Triangle Borea BR09 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 | Bad |
| Small Room | Poor |
| Mid-size Room | Good |
| Large Room | Good |
| Very Large Room | Poor |
(* 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.)
Triangle's Borea Series of Loudspeakers
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
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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. With a minimum frequency of 35 Hz, Borea BR09 delivers deep bass that will likely satisfy most listeners, especially those who enjoy music. However, movie enthusiasts and music fans who prefer a full range of sound may still benefit from adding a subwoofer.
To focus on the subwoofers that are in a similar price range with Triangle Borea BR09, check out the Powered Subwoofers under $2000. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how Borea BR09's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Floor-standing Speakers
High Frequency
Floor-standing Speakers
Among the speakers in our database with a max MSRP price of 2000$ (Pair), these are the 5 Passive Floor-standing speakers that have the deeper bass levels than the Triangle Borea BR09's 35Hz:
Crossover frequency of the 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.
Impedance and Sensitivity
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
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 the 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 the 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:
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 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 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 Floor-standing Speaker next to a Media Stand
WeightThe 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
Weight
Floor-standing Speakers under $2000
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
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
Recommended Accessories
Here is a list of accessories that we think you may need for the Triangle Borea BR09.
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.