Piega usa Coax Gen2 511 LTD Speakers [Pair]
The Coax Gen2 511 LTD pairs ribbon-speed clarity with deep, controlled bass, delivering a neutral, full-range window into recordings. Pursuit of The Perfect System highlights its seamless, airy resolution and precisely organized imaging, while HiFi Turtle found its realistic drums and unfatiguing sparkle especially convincing. A slim, impeccably engineered floorstander for revealing systems.
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Deliciously Crispy
Sound Quality
93/100
Build Quality
94/100
Value for Money
87/100
Pros
Highly neutral, transparent presentation reveals recordings without obvious coloration or exaggeration.
Seamless, fast ribbon midrange and treble deliver airy detail, clear vocals, and sparkle without fatigue.
Slim cabinet achieves impressively extended, tight, fast bass with meaningful output to around 30Hz.
Impeccable aluminum build and focused, spacious imaging reward careful placement.
Cons
Its extreme transparency makes amplifier, source, and setup quality especially consequential.
Bass gains scale and dynamic authority with more amplifier power; modest amplification may not show its full potential.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 93/100
Reviewers describe a highly transparent, neutral and precise full-range presentation that remains engaging over long sessions. Its standout strengths are deep, controlled bass, exceptionally resolved and seamless mid/treble performance, and a sharply focused soundstage.
Bass
94/100
Pursuit of The Perfect System measured no meaningful bass roll-off until roughly 30Hz, calling that performance particularly impressive for the slim cabinet. Both reviewers praise the bass as tight, fast, realistic and punchy, with an emphasis on correctness and control rather than exaggerated impact.
Mid
94/100
The midrange is described as clean, fast and exceptionally high in resolution, allowing vocals to hang convincingly in open space. HiFi Turtle also heard a notably neutral, true-to-source character, without added coloration or missing information.
Treble
95/100
Reviewers found the treble exceptionally well integrated with the midrange, with Pursuit of The Perfect System calling the transition seamless and spot-on. HiFi Turtle heard convincing air and cymbal shimmer with sparkle but no fatigue or apparent shortfall in extension.
Soundstage Imaging
93/100
Pursuit of The Perfect System reports an organized, spacious and precisely laid-out stage. The speakers were also said to snap readily into focus once correctly positioned, producing stable, clearly defined images.
Dynamics
89/100
The available comments suggest satisfying punch and realistic drum reproduction, especially in the low end. Pursuit of The Perfect System notes that the Coax 511 comes alive with more amplifier power, so partnering it with a capable amplifier appears important for realizing its full scale and energy.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
94/100
Pursuit of The Perfect System calls the Coax 511's build quality impeccable. The substantial aluminum enclosure, coaxial ribbon driver, dual 160mm woofers and dual passive radiators also indicate a carefully engineered, premium loudspeaker.
Value for Money
87/100
At approximately £11,100 per pair in the reviewed configuration, the Coax 511 is plainly a serious investment rather than an affordable proposition. Still, Pursuit of The Perfect System considers it an investment in many hours of musical enjoyment and thrills, supporting its appeal against other premium floorstanders.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
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Specifications
- FINISHES
- White, Black, Aluminum
- RECOMMENDED AMPLIFIER OUTPUT
- 20 - 250 Watt
- SENSITIVITY
- 90 db/W/m
- IMPEDANCE
- 4 ohms
- FREQUENCY RANGE
- 32 Hz - 50 kHz
- DIMENSIONS
- H 45.28" x W 8.66" x D 9.84"
- WEIGHT
- 70.5 lbs.
- TECHNOLOGY
- 2 × 160 mm UHQD woofer\n2 × 160 mm UHQD passive radiators\n1 x C11 Coaxial ribbon
Manufacturer's Description — Piega usa
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Authorized dealers for Piega usa Coax Gen2 511 LTD Speakers [Pair]
- Alma Music & Audio — online and in-store — San Diego, California, United States (website)
- Alpha High End — online and in-store — Brasschaat, Vlaams Gewest, Belgium (website)
- Audio Gallery — online and in-store — Las Rozas de Madrid, Comunidad de Madrid, Spain (website)
- Audio Perfect — in-store — Oostkamp, Vlaanderen, Belgium (website)
- Audio Vision San Francisco — online and in-store — San Francisco, California, United States (website)
- Audiofrenzy BV — in-store — Maastricht, Limburg, Netherlands (website)
- audioharmonia — in-store — Bouliac, Nouvelle-Aquitaine, France (website)
- AudioPerformance — online and in-store — Stenkullen, Västra Götalands län, Sweden (website)
- AUDIOPHILE HIFI — online and in-store — Tours, Centre-Val de Loire, France (website)
- AUDIOteam — in-store — Nice, Provence-Alpes-Côte d'Azur, Switzerland (website)
and 17 more verified dealers