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Harmonix XDC-2 Power Cable (1.5m)
• Overview – Harmonix XDC-2 Power Cable, released in the early 2000s, is a Japanese audiophile-grade power cable designed to prioritise tonal naturalness, musical flow, and noise reduction over sheer current delivery.
• Design Philosophy – Developed using Harmonix’s tuning-by-ear approach, the cable focuses on resonance control, material synergy, and vibration damping to achieve a relaxed, organic presentation across analog and digital components.
• Sonic Performance – Harmonix XDC-2 Power Cable is renowned for smooth treble, rich midrange tonality, and coherent timing, making it especially attractive for tube systems and musically voiced solid-state equipment.
• Specifications – High-purity copper conductors, moderate gauge design, carefully selected dielectric materials, effective mechanical damping, and high-quality connectors optimized for stable contact and consistent AC power transfer.
• Dimensions – Commonly supplied in approximately 1.5 m length, featuring a flexible outer jacket that allows easy routing while maintaining consistent electrical and mechanical characteristics.
• Weight – Approximately 0.9 kg per cable, reflecting dense conductor materials and internal damping without excessive stiffness or stress on component IEC sockets.
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JBL HP 520 Speakers
• High-Performance Design – The JBL HP 520 Speakers deliver dynamic, room-filling sound with impressive bass depth, refined midrange clarity, and excellent dispersion, making them ideal for audiophiles seeking a powerful yet balanced presentation.
• Acoustic Precision – Featuring advanced JBL driver engineering and a well-tuned cabinet, these speakers offer articulate imaging, smooth frequency response, and reliable performance across a wide range of musical genres and listening environments.
• Versatile System Matching – The JBL HP 520 Speakers pair effectively with solid-state or tube amplification, offering stable impedance behavior and strong efficiency, ensuring consistent performance across diverse hi-fi system setups.
• Robust Build Quality – Constructed with solid cabinetry and high-quality drivers, the JBL HP 520 Speakers provide durability, low resonance, and long-term performance ideal for serious home audio enthusiasts.
• Dimensions – Each speaker measures approximately 680 mm (H) × 380 mm (W) × 300 mm (D), offering a substantial footprint while remaining manageable for medium to large listening rooms.
• Weight – Each unit weighs around 18–20 kg, providing cabinet stability and reducing unwanted vibration for improved sonic accuracy.
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Musical Fidelity A120 10th Anniversary Integrated Amplifier
• Overview – The Musical Fidelity A120 10th Anniversary Integrated Amplifier is a British-engineered pure Class A design from the mid-1990s, renowned for warm, refined musicality, detailed midrange and engaging analog-like character.
• Sound Profile – This A120 edition delivers exceptionally natural tonal balance, rich harmonic texture and smooth dynamics that reward careful system matching, especially with full-range floorstanders and bookshelf speakers.
• Feature Set – It includes a versatile analog input suite with dedicated MM/MC phono stage, multiple line inputs and robust discrete amplification topology tailored for high-fidelity two-channel listening without digital artifacts.
• Specifications – Classic pure Class A architecture produces ~40 W per channel, high current capability, broad frequency response, low noise floor with strong stereo imaging, and internal heat management that supports consistent performance.
• Dimensions – Amplifier chassis measures approximately 430–450 mm wide × ~100–130 mm high × ~300–350 mm deep, designed to fit standard hi-fi shelving with ample ventilation for Class A operation.
• Weight – Robust construction features a heavy-duty power supply and large heatsinks; unit weight sits around 15–18 kg, emphasizing solid build quality and vibration resistance.
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Harmonix SYN 100 Spikes and RF909x Spike Base
• Product Overview – Harmonix SYN 100 Spikes and RF909x Spike Base, released in the mid-2000s, are vibration control accessories designed to optimize mechanical grounding, resonance dissipation, and tonal balance in high-end audio systems.
• Tuning Philosophy – Developed using Harmonix’s tuning-based approach, the combination controls energy flow rather than fully isolating components, preserving musicality, timing accuracy, and natural harmonic structure.
• System Enhancement – Harmonix SYN 100 Spikes and RF909x Spike Base improve focus, bass articulation, and soundstage stability when used under loudspeakers, racks, or electronics, especially in revealing high-resolution systems.
• Specifications – Precision-machined metal spikes with matched base interfaces, resonance-tuned materials, point-contact energy transfer, and compatibility with most speaker and rack threaded inserts for universal audiophile applications.
• Dimensions – Individual spike height is approximately 25 mm, with RF909x bases measuring roughly 50 mm in diameter, allowing discreet placement while maintaining effective mechanical coupling.
• Weight – Each spike and base set weighs approximately 150–200 g, providing sufficient mass for stability while supporting controlled resonance behavior and consistent component grounding.
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Musical Fidelity A1 Integrated Amplifier
• Integrated Amplifier Overview – The Musical Fidelity A1 Integrated Amplifier is a pure Class A design delivering smooth, warm, harmonically rich sound with exceptional midrange liquidity, offering a classic musical presentation ideal for refined, intimate listening environments.
• Pure Class A Operation – Operating fully in Class A with high biasing, it provides low crossover distortion, natural harmonic texture and excellent vocal realism, with one mention of Musical Fidelity A1 Integrated Amplifier reinforcing its signature performance.
• Minimalist Circuit Design – Featuring short signal paths, discrete components and low feedback architecture, the amplifier offers superb coherence, wide imaging and fluid musical timing, plus one additional mention of Musical Fidelity A1 Integrated Amplifier.
• Speaker & System Matching – Optimised for high-efficiency or easy-load speakers, the amplifier excels in smaller rooms or nearfield setups, delivering an immersive, relaxed presentation with impressive micro-detail and tonal balance.
• Product Dimensions – Measuring approximately 440 mm (W) × 100 mm (H) × 300 mm (D), the compact, low-profile chassis fits easily into classic or modern audiophile rack systems.
• Product Weight – Weighing around 7–8 kg, the steel body and wide heat-dissipation surface maintain stable Class A thermal performance, ensuring reliability and consistent sonic quality during extended listening sessions.
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Musical Fidelity M6s PRX
• Musical Fidelity M6s PRX Overview – The Musical Fidelity M6s PRX, released in 2015, is a solid-state Class A/B dual-mono power amplifier delivering clean, high-current output with a unique choke-regulated power supply for exceptional stability and musical refinement.
• Dual-Mono Architecture – The M6s PRX employs fully discrete channels with excellent channel separation and low distortion, ensuring a wide soundstage, superior imaging precision, and effortless dynamic expression across complex musical passages.
• Choke Power Regulation – Its rare choke-regulated supply filters noise extremely effectively, giving the Musical Fidelity M6s PRX remarkable smoothness, low grain, and increased micro-detail that enhances both vocal realism and instrumental texture.
• High Current Drive Capability – Engineered to control demanding loudspeakers, the M6s PRX delivers powerful, stable output with excellent damping, maintaining clarity and grip even at high volumes or with low-sensitivity designs.
• Dimensions – Approx. 440 mm (W) × 160 mm (H) × 385 mm (D), designed for full-size racks and providing optimal airflow for long-term high-performance operation.
• Weight – Roughly 19 kg, supported by a robust transformer and rigid chassis structure that reduces vibration and improves electrical and mechanical stability.
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Music Fidelity Nu-Vista CD Player
• Overview – Musical Fidelity Nu-Vista CD Player, released in 2002, is a flagship CD player employing nuvistor tube output stages, combining classic valve musicality with high-resolution digital precision and exceptional build quality.
• Digital Architecture – Designed around a robust transport and advanced DAC implementation, it delivers smooth treble, expansive soundstaging, and excellent low-level detail retrieval, preserving musical flow without digital glare.
• Nuvistor Output Stage – Musical Fidelity Nu-Vista CD Player uses rare nuvistor tubes in its analogue stage, providing low noise, long lifespan, and a refined harmonic presentation prized by experienced audiophiles.
• Specifications – 24-bit DAC architecture, nuvistor tube analogue stage, multiple digital inputs, fixed and variable analogue outputs, heavy-duty transport mechanism, and extensive internal power regulation for stable, low-jitter playback.
• Dimensions – Approx. 483 mm (W) × 140 mm (H) × 400 mm (D), housed in a substantial aluminium chassis with distinctive industrial styling and excellent mechanical damping characteristics.
• Weight – Approximately 22 kg, reflecting massive transformers, thick aluminium panels, and high-grade internal components essential for vibration control and consistent long-term digital performance.
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JBL Synthesis Project Array 1400
• High-Performance Overview – The JBL Synthesis Project Array 1400, launched around 2007, is a flagship floorstanding loudspeaker using a Bi-Radial horn and powerful low-frequency system to deliver dynamic, room-filling cinema-grade sound.
• Horn-Loaded Precision – The JBL Synthesis Project Array 1400 features a titanium compression driver and advanced horn geometry, providing exceptional clarity, wide dispersion, and precise imaging ideal for both music and home-theater environments.
• Deep, Controlled Bass – A massive 14-inch Neodymium woofer delivers authoritative low frequencies with excellent transient response, enabling the Project Array 1400 to handle demanding low-end material while maintaining accuracy and control.
• Ultra-High Output Capability – With high sensitivity and robust driver construction, the JBL Synthesis Project Array 1400 achieves reference-level dynamics, low distortion, and impactful realism even at elevated listening levels.
• Dimensions – Approx. 1,115 mm (H) × 508 mm (W) × 406 mm (D). Large cabinet volume supports deep bass extension and wide sound dispersion across medium to large rooms.
• Weight – Approx. 64 kg per speaker, providing exceptional mechanical stability and reducing cabinet resonance for cleaner, more accurate acoustic performance.
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Harmonix is a Japanese audio brand specialising in system tuning accessories focused on resonance control, mechanical grounding, and vibrational optimisation. The brand approaches audio reproduction as a holistic system, recognising that mechanical behaviour and energy flow play a critical role in overall sound quality.
Harmonix products include cables, tuning devices, and isolation accessories designed to fine-tune tonal balance and system coherence. Because these products are based on physical principles rather than rapidly changing technology, pre-owned Harmonix items remain highly relevant when properly maintained. Many enthusiasts use Harmonix products incrementally to refine established systems rather than replacing core components.
Across Singapore, Malaysia, and Southeast Asia, Harmonix appeals to experienced audiophiles seeking subtle but meaningful system optimisation. On SoundTribeAsia, Harmonix products — new and pre-owned — are listed by verified dealers, offering transparent sourcing and trusted access through a curated regional marketplace.