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Soulnote M3 Mono Amplifier
• Overview – The Soulnote M3 Mono Amplifier, released in 2019, is a solid state pure Class A monoblock design engineered with zero global feedback topology to deliver ultra-fast transient response and uncompromised musical transparency.
• Circuit Architecture – Built around Soulnote’s non-parallel push-pull output stage and discrete driver design, the amplifier emphasizes instantaneous current delivery, wide bandwidth, and exceptionally low phase distortion.
• Sonic Character – The Soulnote M3 Mono Amplifier is celebrated for explosive dynamics, deep tonal saturation, and expansive soundstage layering, making it ideal for high-resolution loudspeakers requiring precision and authority.
• Specifications – Pure Class A solid state topology, approximately 200W into 8Ω and 400W into 4Ω, wide frequency response beyond 20Hz–100kHz, extremely low distortion, and high current capability for difficult loads.
• Dimensions – Each chassis measures approximately 454 mm wide × 189 mm high × 430 mm deep, requiring generous ventilation to support continuous Class A thermal operation.
• Weight – Each monoblock weighs roughly 32 kg, reflecting oversized transformers, heavy aluminum construction, and substantial heat sinking for stable, long-term performance.
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Isotek Sigma Power Conditioner
• Overview – The Isotek Sigma Power Conditioner, released in 2015, is a solid-state mains conditioning component engineered to dramatically reduce electrical noise while maintaining unrestricted current delivery for high-performance audio systems.
• Power Architecture – Built around IsoTek’s advanced delta-filtering topology, the Isotek Sigma Power Conditioner isolates connected components, eliminating differential and common-mode noise while preventing cross-contamination between digital sources and high-current amplifiers.
• Sonic Performance – By lowering the system noise floor, the Isotek Sigma Power Conditioner improves bass articulation, dynamic contrast, image stability, and low-level resolution, especially noticeable in revealing reference-grade analogue and digital systems.
• Specifications – Rated for high-current audio use, featuring multiple individually filtered outlets, star-earthed grounding, internal copper bus bars, RFI/EMI suppression, and surge protection without dynamic compression or current limiting.
• Dimensions – Measures approximately 445 mm (W) × 150 mm (H) × 350 mm (D), designed for standard hi-fi racks while allowing sufficient ventilation and cable clearance for complex multi-component installations.
• Weight – Weighs roughly 15 kg, reflecting substantial internal filtering networks, shielding, and mechanical damping that contribute to stable, resonance-free operation and long-term electrical reliability.
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Isotek Evo3 Power Conditioner
• Product Overview – The Isotek Evo3 Power Conditioner (2016) is a solid-state mains conditioning solution designed to reduce electrical noise, improve current delivery, and enhance overall system clarity in high-resolution hi-fi setups.
• Filtering Topology – Employing IsoTek’s multi-stage delta filter network, the Isotek Evo3 Power Conditioner effectively removes both common-mode and differential-mode noise while preventing cross-contamination between connected audio components.
• Sonic Improvements – Users typically experience lower noise floor, improved micro-detail, tighter bass control, and greater soundstage depth, especially when used with sensitive digital sources and analogue front-end components.
• Specifications – Features high-current audio outlets, internal copper bus bars, star-earthed grounding, RFI/EMI suppression, and surge protection, all engineered to avoid current compression and preserve amplifier dynamics.
• Dimensions – Measures approximately 445 mm wide × 90 mm high × 305 mm deep, sized to integrate easily into standard hi-fi racks or equipment shelves without compromising ventilation or cable management.
• Weight – Weighs roughly 8 kg, reflecting robust internal filtering components, shielding, and mechanical construction designed to ensure stability, durability, and long-term performance consistency.
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SoulNote A-2 Ver. 2 Integrated Amplifier
Soulnote A-2 v2
Soulnote A-2 v2 is a fully balanced, non NFB integrated amplifier designed to preserve timing, texture, and dynamic swing while offering flexible operating modes for real systems.
Design and engineering
The A-2 v2 carries Soulnote’s discrete, wide bandwidth gain architecture with a short signal path and mechanical tuning derived from the Series 3 program. Revisions to device selection, biasing, and grounding reduce stored energy and lower audible residue, yielding cleaner transients and a more stable image.
What changed from A-2 (previous version)
The v2 platform strengthens current delivery and simplifies the voltage gain loop for higher purity. The driver stage also uses the same TO3P transistor as the output stage. By passing a large current through the driver, it instantly compensates for HFE fluctuations caused by current changes in the output stage. This is the biggest difference and breakthrough from the prior version. The power amp mode now hard bypasses selector and volume control for those who prefer a separate preamp. Chassis and top cover treatment improve resonance control compared to the earlier A-2.
Connectivity and control
Balanced and single ended inputs are relay switched, with a balanced attenuator for consistent channel tracking. Four modes cover integrated stereo, bi amp mono, power amp stereo, and power amp bi amp. Control logic is isolated so audio circuits remain quiet during operation.
What distinguishes it
Fast, high current drive with a lively, uncompressed presentation and the flexibility to act as a true power amp when required.
Who it is for
Listeners who value natural timing, wide bandwidth clarity, and the option to reconfigure the amplifier as their system evolves.
In the box
Main unit, metal remote control, AC power cable, spike feet, documentation.
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SoulNote RSC Speaker Cables (3m)
• Product Overview – SoulNote RSC Speaker Cables (3m), released in the late-2010s, reflect SoulNote’s purist design philosophy, focusing on ultra-low loss signal transfer, mechanical resonance control, and natural musical expression.
• Cable Design Philosophy – Built using high-purity copper conductors and SoulNote’s resonance-controlled construction, these cables minimise stored energy and phase distortion, preserving timing accuracy, dynamics, and tonal neutrality across wideband loudspeakers.
• Sonic Performance – The SoulNote RSC Speaker Cables (3m) deliver fast transient response, clean bass articulation, and an open midrange, making them ideal for revealing high-resolution systems that prioritise realism and rhythmic coherence.
• Specifications – Low-resistance conductor geometry, carefully managed inductance and capacitance, non-magnetic materials throughout, and mechanically damped structure to reduce vibration-induced coloration and maintain consistent electrical characteristics.
• Dimensions – Each cable is supplied in a 3-metre length, offering practical reach for most floorstanding speaker placements while maintaining consistent impedance and signal integrity throughout the full run.
• Weight – Moderate overall mass reflecting solid conductor density and damping materials, designed to provide stability without placing excessive mechanical stress on amplifier or loudspeaker binding posts.
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SOULNOTE D-3 DAC
• Overview – SOULNOTE D-3 DAC, released in 2020, is a reference-class digital-to-analog converter designed with SoulNote’s zero-feedback architecture to deliver highly accurate, ultra-low distortion conversion and musical transparency.
• Digital Architecture – Utilising discrete analogue filter stages and precision clocking, the D-3 DAC preserves timing integrity and dynamic expression, providing outstanding resolution and spatial coherence from PCM and DSD sources.
• Sound Quality – The SOULNOTE D-3 DAC is prized for its natural midrange clarity, refined treble extension, and low noise floor, allowing connected preamplifiers and amplifiers to reveal deeper musical nuance across genres.
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SOULNOTE A-3 Reference Integrated Amplifier
• Overview – SOULNOTE A-3 Reference Integrated Amplifier, released in 2021, is a solid-state Class AB integrated design without DAC or phono, engineered for ultimate signal purity and unrestricted current delivery.
• Circuit Philosophy – Built around SoulNote’s zero-feedback, non-parallel architecture, the amplifier prioritises instantaneous current response, wide bandwidth, and natural harmonic flow, appealing strongly to purist audiophiles.
• Sonic Character – SOULNOTE A-3 Reference Integrated Amplifier delivers exceptional dynamic contrast, dense tonal colour, and expansive soundstage depth, excelling with difficult loudspeaker loads and revealing high-resolution source components.
• Specifications – Rated at approximately 120 W per channel into 8 ohms and 240 W into 4 ohms, with ultra-high current capability, wide frequency response, and discrete output devices optimised for low impedance control.
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SoulNote A-1 Ver. 2 Integrated Amplifier
• Product Overview – SoulNote A-1 Ver. 2 Integrated Amplifier, released in 2022, is a solid-state Class AB integrated amplifier using Soulnote’s zero-feedback philosophy, delivering exceptional speed, transparency, and natural musical flow.
• Circuit Architecture – Designed with fully discrete, non-NFB circuitry and simplified signal paths, the amplifier prioritises phase accuracy, micro-dynamic resolution, and tonal purity, appealing to listeners seeking uncoloured, high-resolution playback.
• Sound Performance – The SoulNote A-1 Ver. 2 Integrated Amplifier offers agile bass control, vivid midrange articulation, and extended treble clarity, pairing effortlessly with revealing loudspeakers and high-quality digital or analog sources.
• Specifications – Output power is approximately 80 W per channel into 8 ohms and 160 W into 4 ohms, featuring wide bandwidth, high current delivery, and a robust linear power supply.
• Dimensions – Approximate chassis dimensions are 454 mm (W) × 179 mm (H) × 407 mm (D), housed in a resonance-controlled aluminium enclosure optimised for electrical stability and thermal management.
• Weight – The unit weighs approximately 24 kg, reflecting its substantial transformer, high-capacity power supply components, and rigid mechanical construction designed to minimise vibration and noise.
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Sonus Faber Concerto Grand Piano
• Product Overview – Sonus Faber Concerto Grand Piano, released in 2003, is an elegant floorstanding loudspeaker combining Italian craftsmanship with refined acoustic tuning, designed to deliver musical warmth, balance, and room-filling performance.
• Cabinet & Driver Design – Lute-shaped wooden enclosure with leather-wrapped baffle reduces internal resonances, while silk-dome tweeter and paper-cone drivers ensure smooth dispersion and cohesive midrange integration.
• Sonic Character – Sonus Faber Concerto Grand Piano offers a rich, natural tonal balance with graceful treble, expressive vocals, and tuneful bass, making it especially engaging for classical, jazz, and acoustic recordings.
• Specifications – Two-and-a-half-way bass reflex design, nominal impedance 8 ohms, sensitivity approximately 89 dB, recommended amplifier power 30–200 watts, and frequency response extending to around 38 Hz.
• Dimensions – Each speaker measures approximately 1020 mm (H) × 300 mm (W) × 410 mm (D), providing a slim footprint while supporting generous internal cabinet volume.
• Weight – Each loudspeaker weighs approximately 28 kg, reflecting solid cabinetry, internal bracing, and premium materials used to control resonance and enhance sonic purity.
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Sonus Faber Chameleon B
• Product Overview – The Sonus Faber Chameleon B, introduced in 2015, is a premium bookshelf speaker offering interchangeable side panels, refined voicing, and Italian craftsmanship for flexible integration into modern two-channel systems.
• Acoustic Performance – The Chameleon B uses a 29mm fabric dome tweeter and a 150mm mid-woofer, delivering articulate mids, smooth treble, and a natural tonal balance ideal for small to medium listening rooms.
• Design & Build – Featuring Sonus Faber’s signature lute-inspired enclosure shape, internal bracing, and anti-resonant construction, the speaker provides enhanced clarity, reduced coloration, and improved imaging precision.
• System Synergy – The Sonus Faber Chameleon B pairs well with quality solid-state or tube amplification, offering a forgiving impedance curve and expressive dynamics suitable for both music enthusiasts and audiophiles.
• Dimensions – Approx. 304 mm (H) × 190 mm (W) × 275 mm (D), designed for stand-mount use to achieve optimal dispersion and imaging performance.
• Weight – Around 6.5 kg per speaker, providing solid stability and contributing to the enclosure’s low-resonance acoustic behavior.
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Sonus Faber Concentino Domus
• Sonus Faber Concertino Domus – The Sonus Faber Concertino Domus, released in the mid-2000s, is a premium Italian bookshelf speaker combining refined craftsmanship, natural voicing, and expressive musicality in a compact, beautifully finished enclosure.
• Natural Timbre and Smooth Presentation – Featuring a silk-dome tweeter and finely tuned mid-woofer, the Concertino Domus delivers warm mids, fluid highs, and balanced bass, offering the classic Sonus Faber acoustically rich house sound.
• Elegant Italian Craftsmanship – The Sonus Faber Concertino Domus uses hand-selected real-wood veneers, leather baffles, and rigid cabinet construction that reduces resonance, enhancing transparency and preserving tonal purity.
• High Musical Engagement – Designed for intimate listening spaces, the Concertino Domus provides excellent imaging, wide dispersion, and an emotionally engaging presentation suited for jazz, classical, vocal, and acoustic recordings.
• Dimensions – Approx. 320 mm (H) × 195 mm (W) × 300 mm (D), offering a compact footprint with proportions optimised for natural dispersion and room-friendly placement.
• Weight – Roughly 7–8 kg per speaker, providing solid enclosure stability and improved resonance control for smoother bass performance and clearer midrange.
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Sonus Faber Cremona Auditor M
• Loudspeaker Overview – The Sonus Faber Cremona Auditor M, released in 2009, is a premium 2-way bookshelf loudspeaker crafted with lute-shaped cabinets, delivering refined musicality, rich tonal color, and natural imaging characteristic of Sonus Faber’s artisanal design.
• Advanced Transducer System – Equipped with a custom ring-radiator tweeter and a 6-inch wood-fiber midwoofer, the Sonus Faber Cremona Auditor M delivers excellent resolution, smooth treble, and highly expressive midrange presence suitable for critical listening.
• Acoustic Craftsmanship – The hand-finished curved wooden enclosure reduces internal standing waves and cabinet resonance, allowing the Cremona Auditor M to produce a more open, coherent, and emotionally engaging sonic presentation.
• High-Performance Room Integration – Designed for realistic scale and precise imaging, the Sonus Faber Cremona Auditor M performs exceptionally well in medium-sized rooms, offering wide dispersion and a naturally balanced tonal signature.
• Dimensions – Approx. 320 mm (H) × 200 mm (W) × 330 mm (D). Compact yet substantial, optimized for stand-mount performance and ideal nearfield or mid-field listening setups.
• Weight – Approx. 6.5 kg per speaker. The dense wooden cabinet and internal bracing enhance stability and minimize vibrational energy for cleaner sound reproduction.
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Lenco L75 Turntable
• Classic Idler-Drive Design – The Lenco L75 Turntable features a high-torque idler-wheel system renowned for rhythmic drive, speed stability, and dynamic energy, making it one of the most musical vintage turntables ever produced.
• Heavy Platter Engineering – The Lenco L75 Turntable uses a substantial zinc-alloy platter and robust bearing assembly, delivering low noise, strong rotational inertia, and excellent pitch stability for engaging analogue playback.
• Vintage Tonearm & Upgrade Potential – The original L75 tonearm offers warm, forgiving performance, while the turntable itself is widely celebrated for modification potential, allowing enthusiasts to elevate it into true high-end territory.
• Solid Chassis Construction – With a steel top plate and strong mechanical layout, the L75 provides excellent vibration control and mechanical grounding, resulting in clearer midrange detail and more stable imaging.
• Dimensions – Approx. 445 mm (W) × 360 mm (D) × 150 mm (H). Designed to fit classic hi-fi furniture or custom plinths for improved resonance control.
• Weight – Around 10–12 kg depending on plinth, giving the L75 the mass needed for stable operation and reduced motor-induced vibrations.
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Sonus Faber Homage Amati G5
• Sonus Faber Homage Amati G5 – This flagship 3.5-way floorstanding speaker blends artisanal craftsmanship with advanced acoustic engineering, delivering breathtaking musicality, deep emotional engagement, and reference-level performance in refined listening rooms.
• Advanced Driver System – Featuring a redesigned midrange with a cellulose-pulp diaphragm and powerful woofers, the Amati G5 produces exceptional coherence, rich tonal density, and authoritative bass extension with superb transient accuracy.
• Stealth Ultraflex & Organic Cabinet Design – The variable-geometry porting system and lute-shaped enclosure minimize turbulence and resonance, resulting in cleaner low frequencies, improved dynamics, and an expansive holographic soundstage.
• Crossover & Mechanical Refinement – The latest Homage crossover employs premium Clarity Cap capacitors and carefully tuned phase behavior, ensuring seamless driver integration, smooth response, and unrestricted musical flow across all genres.
• Dimensions – Approx. 1171 mm (H) × 411 mm (W) × 512 mm (D). Sculpted cabinet crafted with real wood, leather accents, and curved sidewalls for optimal acoustics and elegant visual presence.
• Weight – Approximately 55 kg per Sonus Faber Homage Amati G5 speaker, offering exceptional structural rigidity, vibration control, and mechanical stability to support ultra-low-distortion performance.
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Sonus Faber Omnia Wireless Music System
• Sonus Faber Omnia Wireless Music System – A premium all-in-one wireless audio system combining Italian craftsmanship, advanced acoustic engineering, and rich, room-filling performance tailored for discerning listeners seeking elegant high-fidelity simplicity.
• Acoustic Design & Driver Array – Features a 7-driver setup including dual woofers, midrange units, silk-dome tweeters, and Sonus Faber’s proprietary full-range drivers with SENSO™ Control Interface for immersive 360° dispersion and tonal refinement.
• Connectivity & Streaming – Supports Wi-Fi, AirPlay 2, Chromecast, Bluetooth aptX HD, Spotify Connect, TIDAL Connect, HDMI ARC, and optical input—offering complete flexibility for modern digital ecosystems.
• Amplifier Architecture – Internally powered by 490 watts of optimized Class D amplification, delivering exceptional bass control, clean headroom, and dynamic authority uncommon in wireless all-in-one systems.
• Product Dimensions – Measures approximately 650 mm (W) × 132 mm (H) × 280 mm (D), designed to fit elegantly on shelves, consoles, and media furniture while enhancing room aesthetics.
• Weight – Weighs roughly 7.6 kg, providing excellent chassis stability, reduced vibration, and improved acoustic grounding for cleaner mid-bass and vocal clarity.
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IsoTek is a UK-based specialist dedicated exclusively to power conditioning and clean energy delivery for high-fidelity and home audio systems. Founded with the belief that power quality is the foundation of audio performance, IsoTek designs its products to reduce electrical noise, improve current delivery, and protect sensitive components without restricting dynamics. Its power conditioners and cables are widely adopted by both audiophiles and manufacturers as a reference for system optimisation.
This focus on fundamental performance rather than short-lived technology makes IsoTek particularly relevant in the pre-owned Hi-Fi market. In Singapore, Malaysia, and across Southeast Asia—where shared electrical grids and urban environments can introduce significant noise—pre-owned IsoTek power conditioners remain highly desirable. Their robust construction, long service life, and immediate sonic benefits contribute to strong resale demand and low ownership risk.
On SoundTribeAsia, IsoTek listings—new and pre-owned—are presented within a trusted marketplace framework that prioritises verified sellers and transparent condition reporting. This allows audiophiles across Southeast Asia to invest in proven power-conditioning solutions with confidence, ensuring their systems perform at their full potential regardless of component changes.