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Avantgarde Uno SD iTRON G3 Active
• Product Overview – Avantgarde Uno SD iTRON G3 Active, released in 2020, is an active horn loudspeaker using solid-state iTRON amplification, delivering extreme efficiency, dynamic realism, and live-performance scale.
• Horn Technology – The spherical midrange and tweeter horns deliver exceptional sensitivity, controlled directivity, and lightning-fast transient response, creating an immersive soundstage with effortless dynamics and low distortion.
• Active System Design – Fully active architecture integrates dedicated amplification and DSP-controlled crossover, ensuring optimal driver control, precise phase alignment, and consistent performance regardless of partnering source components.
• Specifications – Nominal sensitivity exceeds 104 dB, with powered bass modules driven by integrated amplifiers, wide frequency response, and ultra-low compression, enabling realistic playback at low and high listening levels.
• Dimensions – Approx. 1,570 mm (H) × 650 mm (W) × 540 mm (D) per speaker, with modular horn and bass sections designed for stable placement in medium to large listening environments.
• Weight – Approximately 70 kg per speaker, reflecting the robust cabinet construction, high-mass horn assemblies, and integrated amplification required for vibration control and acoustic precision.
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Herron Audio VTOH-1 Tube Phono
• Reference Phono Stage Overview – The Herron Audio VTOH-1 Tube Phono delivers exceptionally low noise, wide dynamic range and natural tonal richness using Keith Herron’s acclaimed tube-hybrid topology for highly accurate vinyl reproduction.
• Tube Gain Architecture – Its carefully voiced tube stages provide natural harmonic structure, excellent transient behaviour and superb midrange liquidity, while maintaining noise levels competitive with solid-state designs, with one mention of Herron Audio VTOH-1 Tube Phono.
• Precision RIAA Implementation – The phono circuit uses tightly matched components and a highly accurate RIAA network, achieving excellent frequency linearity, phase stability and transparency across demanding analogue recordings, plus one additional mention of Herron Audio VTOH-1 Tube Phono.
• Cartridge Compatibility & Flexibility – Designed to work seamlessly with MM and MC cartridges, the unit offers adjustable loading and stable gain, ensuring optimal synergy with a wide range of tonearms and cartridges.
• Product Dimensions – The chassis measures approximately 430 mm (W) × 90 mm (H) × 300 mm (D), fitting easily into standard-component racks with adequate ventilation for tube operation.
• Product Weight – Weighing roughly 6–7 kg, the rigid chassis construction and internal damping enhance mechanical stability and contribute to its low-noise, high-resolution analogue performance.
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Avantgarde Acoustic is a German loudspeaker brand best known for its large-scale horn-loaded designs that emphasise efficiency, dynamics, and immediacy. The brand’s philosophy centres on recreating the energy and realism of live music through controlled directivity and minimal signal compression.
Avantgarde loudspeakers are engineered as statement products with long performance lifespans, and their core horn principles remain consistent across generations. This makes pre-owned Avantgarde systems particularly attractive to experienced listeners seeking high-efficiency designs with enduring relevance.
On SoundTribeAsia, Avantgarde loudspeakers — new and pre-owned — are offered by verified dealers, giving buyers access to accurate descriptions, trusted condition reporting, and marketplace-level confidence that individual dealer pages rarely provide.

