Klipsch Reference R-51M vs. Triangle Borea BR03

Klipsch Reference R-51M Bookshelf Speakers Triangle Borea BR03 Bookshelf Speakers
$350 $630
Dimensions (H × W × D)
13.00” × 7.00” × 8.56”
330mm × 178mm × 217mm
14.96” × 8.11” × 12.36”
380mm × 206mm × 314mm
Power Type
Passive Passive
Frequency Response
62-21,000 Hz 46-22,000 Hz
ASR Score
n/a 4.2
ASR Score w/Subwoofer
n/a 6.5

Key Takeaways

TLDR Summary: In the world of compact audiophile speakers, the Klipsch Reference R-51M and Triangle Borea BR03 are notable contenders. The R-51M leans on its highly efficient, horn-loaded tweeter for a lively, dynamic sound, while the BR03 offers a French flair with a balanced, clear presentation, owing to its silk dome tweeter and natural cellulose mid-woofer. Klipsch delivers punchy, room-filling audio with a rock'n'roll spirit, whereas Triangle aims for nuanced refinement and a wide soundstage. Listener preference between American vigor and European sophistication will determine the victor in this acoustic duel.

Speaker Comparison

When it comes to bookshelf speakers, the market offers a plethora of options that can leave even the most seasoned audiophile slightly befuddled. Among the myriad of choices, two standout models are the Klipsch Reference R-51M and the Triangle Borea BR03. Both speakers offer distinct sound signatures and build qualities that cater to different listening preferences and room acoustics. This comparison will take a closer look at what sets these two apart, and which speaker might be the right fit for your ears and your home.

Design and Build Quality

The Klipsch Reference R-51M boasts a bold, classic look that is instantly recognizable to fans of the brand. Its copper-colored woofers set against a black wood grain vinyl finish give it an aggressive and stylish edge. The R-51M feels solid and well-constructed, characteristic of Klipsch's commitment to durable design. In contrast, the Triangle Borea BR03 presents a more European flair with its sleek lines and natural wood finishes. The build quality is exceptional, with the cabinetry work reflecting Triangle's attention to detail and craftsmanship. The BR03's sophisticated aesthetic may appeal to those who prefer their audio gear to blend seamlessly with modern home décor.

Klipsch Reference R-51M Bookshelf Speakers
Klipsch Reference R-51M arrow (at Amazon.com)

Sound Characteristics

Klipsch is known for its horn-loaded tweeter designed to deliver a lively and dynamic sound, and the R-51M is no exception. The signature Klipsch sound is energetic and bright, often favored by those who love to feel the kick of a snare drum or the sparkle of cymbals. Midrange is clear and vocals are well-defined, making these speakers a great choice for rock and pop genres. On the other hand, the Triangle Borea BR03 leans towards a more balanced and natural sound signature. The silk dome tweeter offers smooth and extended high frequencies, while the midrange is warm and inviting, lending itself beautifully to acoustic and vocal-centric music. The BR03 might suit listeners who crave a more laid-back, audiophile-grade listening experience.

Performance and Listening Experience

When pushed to their limits, the Klipsch R-51M remains composed and refuses to distort, thanks in part to their tractrix horn technology. This allows for high efficiency and low distortion at even room-filling volumes. Bass response, while tight and punchy, might leave some craving for more depth, which could be remedied with a dedicated subwoofer in larger rooms. In contrast, the Triangle Borea BR03 impresses with a surprisingly robust low end for its size. These speakers have the ability to produce a full and rich bass that belies their bookshelf status. At high volume, they maintain a balanced sound, with each frequency range staying in harmony, making them ideal for genres that demand nuance and detail.

Triangle Borea BR03 Bookshelf Speakers
Triangle Borea BR03 arrow (at Amazon.com)

Regarding compatibility, the Klipsch R-51M's high sensitivity makes them an easy match for a wide range of amplifiers and receivers, needing less power to reach higher volumes. This can be particularly appealing for those working with less powerful amplification or preferring a more conservative power setup. The Triangle Borea BR03, while not as sensitive as the Klipsch, still performs admirably with most mid-range amps, offering a forgiving impedance that doesn't demand high power to shine. This makes both sets of speakers versatile in different system configurations.

Final Verdict

Choosing between the Klipsch Reference R-51M and the Triangle Borea BR03 bookshelf speakers ultimately boils down to personal preference and the specific sonic qualities one is seeking. The Klipsch provides an assertive and dynamic presentation that can bring excitement to any track, making it suitable for those who prefer their music loud and full of energy. The Triangle, with its refined and balanced soundstage, caters to the purist looking for an immersive and authentic audio reproduction. Both speakers are commendable in their own right, and either would make a valuable addition to a home audio setup.

For those undecided, it's always recommended to listen to both speakers with a variety of music genres, if possible, before making a final decision. The nuances in sound are best appreciated in person, and what reads well on paper might not align with individual taste. Whether you lean towards the bold assertiveness of Klipsch or the articulate nuances of Triangle, both speakers stand as testaments to the quality and diversity available in the world of bookshelf speakers.

Check Current Prices:

Klipsch Reference R-51M Bookshelf Speakers
Klipsch Reference R-51M Bookshelf Speakers
Triangle Borea BR03 Bookshelf Speakers
Triangle Borea BR03 Bookshelf Speakers

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Disclaimer: the speaker data listed on this website are correct to the best of our knowledge, but we do not guarantee the accuracy of the data. Please double-check any measurements with the manufacturer before making a final purchasing decision.