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Avantgarde Acoustic Duo Floorstanding Loudspeakers Stunning one owner set of Avantgarde Duo with SUB225 bass section.Local collection only as we don't have original packaging to ship these.All Tivoli Hi-Fi Trade in items carry a 3 month warranty and are inspected and tested prior to sale.Glorious sounding speakers ideal for low powered powered tube amps. Specifications:Frequency Response: 22Hz to 20kHzPower Handling: 100WRecommended Amplifier: 10W (minimum)Crossover Frequency: 170, 2000HzImpedance: 8ΩSensitivity: 101dBMidbass: 1 x hornTweeter: 1 x hornDimensions: 670 x 680 x 1700mmWeight: 40kg
Compared with a typical used pair of floorstanders, this is priced at the ambitious end: A$28,000 sits well above the A$22,389 median and even past the A$30,981 75th percentile for recent comparable AUD listings. That doesn’t make it wrong for a rare statement speaker, but it does mean you should be buying on condition and completeness rather than assuming market value.
Avantgarde’s Duo is prized for huge dynamics, effortless scale, and very high sensitivity, so when it’s set up well it can sound spectacular with modest amplification. The value case here depends on whether the subwoofer section is fully healthy, whether the matching parts and original accessories are included, and whether the finish has been well preserved; at A$28,000, provenance and setup details matter a lot.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Avantgarde Acoustic was founded in 1991 by Holger Fromme and Matthias Ruff in the Odenwald region of Germany, near Darmstadt. The company's roots trace back to the mid-1980s when the two founders joined forces with a singular vision: to build the world's best loudspeakers. Fromme's passion for the brand stems from his youth, inspired by the overwhelming sonic power of open-air rock concerts featuring artists like Pink Floyd and Genesis—a dream he sought to recreate in the home listening environment. Today, Avantgarde Acoustic remains a handcrafted, German-manufactured operation, shipping its products to over 60 countries worldwide.
The brand specializes exclusively in horn loudspeakers and amplifiers, rejecting conventional speaker designs in favor of horn technology. Avantgarde's loudspeakers are engineered to deliver exceptionally low distortion through proprietary horn principles and original driver designs, complemented by the company's iTRON technology for precise diaphragm control. Their product range includes models such as the TRIO Classico and TRIO G3, representing decades of refinement in both acoustic performance and industrial design.
Avantgarde Acoustic occupies the ultra-premium, niche boutique segment of high-end audio. The brand commands significant respect among discerning audiophiles for its uncompromising engineering philosophy and handcrafted quality, though its distinctive horn aesthetic has historically met with mixed reception in mainstream American markets. Positioned as a luxury manufacturer for music enthusiasts willing to invest substantially in sonic excellence, Avantgarde represents a specialized, design-forward approach to speaker manufacturing that prioritizes acoustic purity and longevity over mass-market appeal.
See all Avantgarde Acoustic listings on RADAR.
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