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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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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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Lumin U1 Network Transport
• Product Overview – Lumin U1 Network Transport, released in 2015, is a reference-grade network transport engineered for ultra-low jitter digital playback, delivering pristine data output to high-end external DACs and digital processors.
• Digital Architecture – Built around Lumin’s proprietary streaming platform, it supports native DSD, high-resolution PCM, and precision clocking via dual femto oscillators for exceptional timing accuracy and signal integrity.
• Sound Quality – Lumin U1 Network Transport excels in transparency, spatial precision, and micro-dynamic detail, revealing subtle textures and ambient cues while maintaining tonal purity and rhythmic coherence across complex musical passages.
• Specifications – Supports PCM up to 384 kHz, DSD128 native, AES/EBU, BNC, RCA, and optical outputs, with isolated Ethernet input and separate digital processing and output stages.
• Dimensions – The chassis measures approximately 350 mm (W) × 60 mm (H) × 350 mm (D), featuring a solid CNC-machined aluminum enclosure for effective vibration control.
• Weight – Lumin U1 weighs approximately 7 kg, reflecting its robust construction, internal shielding, and high-quality power regulation designed for stable, noise-free digital signal transmission.
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Quad 303 Power Amplifier and Quad 33 Preamplifier
Iconic Stereo Amplifier System – The Quad 303 and Quad 33 form a legendary solid-state power amplifier and control unit pairing. The Quad 303 is a classic, reliable power amplifier designed to deliver the famous Quad sound with authority and precision.
The Renowned “Quad Sound” – Experience the unique, fatigue-free musicality that made this system famous. Characterized by its exceptional clarity, natural tonal balance, and effortless delivery, it provides a listening experience that is both engaging and timeless.
Fully Serviced and Authentic – This matched pair has been professionally serviced to original factory specifications, ensuring optimal performance and reliability. You receive the authentic, iconic experience as intended by Quad’s pioneering engineers.
Versatile Control Unit – The Quad 33 preamplifier features comprehensive inputs, including a high-quality moving magnet phono stage for your turntable. Its flexible filtering and tone controls allow you to tailor the sound perfectly to your room and taste.
Classic Compact Dimensions – The Quad 303 power amplifier measures a compact 267mm wide, 133mm high, and 206mm deep. The matching Quad 33 control unit shares a similar elegant, minimalist footprint designed for a refined hi-fi rack setup.
Substantial Build Quality – The robustly built Quad 303 amplifier weighs 8.2 kg (18.1 lbs), reflecting its high-quality internal components and chassis. The Quad 33 control unit adds a further 3.4 kg (7.5 lbs), denoting its solid construction.
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Quad Elite Pre & QSP Power Amplifier
• Pre & Power Synergy – The Quad Elite Pre & QSP Power Amplifier system, released in 2011, delivers refined Class AB solid-state amplification with Quad’s hallmark neutrality, smoothness, and precise musical articulation across all genres.
• Elite Pre Transparency – The Elite Pre offers exceptionally low noise, wide bandwidth, and high input flexibility, ensuring clean signal handling and seamless integration with both analog and digital source components in modern hi-fi setups.
• QSP Current Dumping Power – The QSP features Quad’s updated Current Dumping topology, providing stable high current, excellent load tolerance, and natural, low-distortion dynamics, making it ideal for both bookshelf and floorstanding speakers.
• Musical Refinement – Together, the Quad Elite Pre & QSP Power Amplifier deliver holographic imaging, smooth midrange texture, and fast, controlled bass, offering a compelling upgrade path for audiophiles seeking classic Quad musicality.
• Dimensions – Elite Pre: approx. 321 × 70 × 310 mm. QSP: approx. 321 × 140 × 310 mm. Compact, rack-friendly sizing ensures simple placement in modern audio systems.
• Weight – Elite Pre around 5 kg; QSP approx. 11 kg. The solid chassis and robust transformer design enhance mechanical damping and improve long-term performance stability.
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Lumin D2 Music Server
• Lumin D2 Music Server Overview – The Lumin D2 Music Server delivers high-performance streaming with a premium DAC architecture, offering natural tonality, excellent resolution, and seamless playback across major lossless and high-resolution formats.
• Refined Digital Performance – The Lumin D2 Music Server features dual-mono Wolfson WM8741 DACs, delivering smooth treble, rich midrange texture, and precise low-level detail ideal for resolving modern network-based systems.
• High-Quality Streaming Integration – Lumin’s robust platform supports TIDAL, Qobuz, Spotify Connect, Roon Ready, and native DSD/PCM playback, ensuring reliable operation and exceptional sound quality across diverse digital libraries.
• Premium Build & Connectivity – The Lumin D2 Music Server includes fully balanced outputs, low-noise processing, Gigabit Ethernet, and optimized circuit paths to maintain signal purity and system-wide musical coherence.
• Dimensions – Approx. 300 mm (W) × 244 mm (D) × 60 mm (H), compact enough for easy placement while maintaining solid structural rigidity to reduce vibration.
• Weight – Around 2.5 kg, offering a sturdy yet compact chassis that enhances electrical stability without unnecessary mass.
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Adcom GFP-555 Preamp and GFA-5800 Power Amp
• Classic Adcom System – The Adcom GFP-555 Preamp and GFA-5800 Power Amp, introduced in the early 1990s, deliver robust solid-state performance with high-current Class AB amplification, offering strong dynamics and clean, authoritative control.
• High-Resolution Preamp Design – The GFP-555 features low-noise circuitry, precise tone controls, a high-quality phono stage, and multiple inputs, giving the Adcom GFP-555 Preamp and GFA-5800 Power Amp excellent system flexibility.
• Powerful Amplification – The GFA-5800, designed by Nelson Pass, provides 250W per channel into 8 ohms with massive current reserves. This ensures the Adcom GFP-555 Preamp and GFA-5800 Power Amp can drive difficult speakers with ease.
• Musical, Neutral Presentation – The pairing delivers fast transient response, wide soundstage, and neutral tonal balance, making it a sought-after vintage combo for both audiophiles and collectors seeking reliable performance.
• Dimensions – Preamp: approx. 432 × 89 × 330 mm. Power amp: approx. 432 × 203 × 483 mm. Designed to fit standard audio racks with deep shelves.
• Weight – Preamp weighs about 7 kg; power amp around 28–30 kg, thanks to its heavy transformer and large heat sinks for stable high-current operation.
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Roksan Blak Integrated Amplifier
• Overview – The Roksan Blak Integrated Amplifier, released in 2016, is a powerful Class AB solid-state design featuring an onboard high-performance DAC, delivering dynamic, controlled, and musically engaging playback for modern high-resolution systems.
• High-Current Amplification – The Roksan Blak Integrated Amplifier offers wide bandwidth and strong current delivery, ensuring excellent grip, transient precision, and rhythmic drive with demanding loudspeakers while maintaining smooth tonal balance.
• Versatile Digital Capability – With USB-B, optical, and coaxial digital inputs, the Roksan Blak supports high-resolution PCM playback, enabling system simplification by serving as both amplifier and DAC in one refined chassis.
• Premium Analog Performance – A robust linear power supply, refined preamp stage, and short signal paths provide excellent low noise, transparency, and imaging, ensuring the Roksan Blak Integrated Amplifier performs consistently across varied musical genres.
• Dimensions – Approx. 432 mm (W) × 80 mm (H) × 330 mm (D), offering a substantial but manageable footprint suitable for standard hi-fi racks or shelves.
• Weight – Approx. 14 kg, providing solid mechanical stability that reduces resonance and supports the amplifier’s high-current power architecture.
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Genesis IM5200
• Overview – The Genesis IM5200, released in mid-2005, is a compact high-end loudspeaker system featuring servo-controlled bass and ribbon tweeters, engineered to deliver exceptional coherence, speed, and holographic imaging.
• Ribbon/Servo Performance – The Genesis IM5200 uses a proprietary ribbon tweeter and active servo-bass system, producing extended highs, low distortion, and fast transient response ideal for resolving complex musical passages.
• Acoustic Engineering – Designed with rigid cabinet construction and carefully tuned internal damping, the Genesis IM5200 minimizes standing waves while enhancing midrange purity and instrument separation across a wide listening space.
• System Synergy – The Genesis IM5200 pairs effectively with neutral solid-state amplification, and the Genesis IM5200 reveals system upgrades easily, making it an excellent choice for long-term high-fidelity system building.
• Dimensions – Approx. 965 mm (H) × 305 mm (W) × 380 mm (D). Its precise footprint ensures strong bass alignment while fitting comfortably into most audiophile rooms.
• Weight – Each unit weighs around 22–24 kg, providing cabinet stability and improved resonance control for greater clarity and dynamic accuracy.
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Quad 22L
• Quad 22L – A refined floorstanding loudspeaker known for its smooth tonal balance, articulate midrange, and engaging musicality, designed to deliver a natural, non-fatiguing presentation across diverse listening rooms.
• Dual-Driver Precision – Utilises a dedicated soft-dome tweeter and twin Kevlar mid/bass drivers, providing excellent clarity, controlled dispersion, and enhanced coherence for both vocal accuracy and full-range musical reproduction.
• Room-Friendly Design – Rear-ported enclosure enables flexible placement while maintaining solid low-frequency extension and rhythmic control, making it suitable for medium to large listening environments.
• Timeless Build Quality – High-quality cabinet construction with beautifully lacquered finishes offers reduced resonance, strong structural rigidity, and an elegant aesthetic aligned with Quad’s British engineering philosophy.
• Dimensions – Stands approximately 872 mm (H) × 203 mm (W) × 280 mm (D), optimised for stable floor placement and proper driver height relative to seated listening position.
• Weight – Each speaker weighs around 18 kg, providing the necessary mass for reduced cabinet vibrations and improved acoustic performance.
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Adcom GFP-345 Pre-Amp and GFA-535 mk2 Amplifier
• Adcom GFP-345 Pre-Amp and GFA-535 Mk2 Amplifier – A classic solid-state pairing featuring a fully Class AB power stage, offering clean, authoritative drive and exceptional value for enthusiasts seeking transparent, reliable high-fidelity performance.
• Refined Preamp Control – The GFP-345 provides precise volume management, clean signal routing, high-quality phono stage support, and low-noise circuitry, enabling a neutral presentation with impressive musical clarity across varied source components.
• Dynamic Class AB Power – The GFA-535 Mk2 delivers approximately 60W per channel into 8 ohms with robust current delivery, maintaining excellent channel separation, punchy dynamics, and stable operation even with moderately difficult loudspeaker loads.
• Synergistic System Performance – Together, the GFP-345 and GFA-535 Mk2 create a cohesive soundstage with firm bass control, open midrange, and smooth treble, making this combo a proven choice for budget-conscious yet discerning listeners.
• Dimensions – GFP-345: approx. 432 mm (W) × 76 mm (H) × 330 mm (D). GFA-535 Mk2: approx. 432 mm (W) × 140 mm (H) × 330 mm (D). Fits standard racks comfortably.
• Weight – GFP-345 weighs around 5–6 kg, while GFA-535 Mk2 weighs roughly 10–11 kg, with a solid transformer and steel chassis enhancing durability and vibration resistance.
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Quad Elite Pre and QSP Amplifier
• Quad Elite Pre and QSP Amplifier – This solid-state Class AB pre–power combination delivers Quad’s signature natural clarity, refined musicality, and stable current delivery, offering an exceptional upgrade path for serious two-channel listeners.
• Precision Preamp Architecture – The Quad Elite Pre features low-noise gain stages, high-quality input switching, and tone-defeat options, ensuring clean signal handling and excellent transparency while maintaining Quad’s smooth, balanced sonic signature.
• High-Current Power Delivery – The QSP power amplifier provides 140W into 8Ω with Quad’s patented “Current Dumping” technology, offering exceptional grip, low distortion, and robust dynamics across demanding loudspeaker loads.
• System Synergy & Control – Together, the Quad Elite Pre and QSP Amplifier create a cohesive, full-bodied presentation with deep imaging, stable soundstaging, and reliable operation, ideal for music lovers seeking performance and long-term stability.
• Dimensions – Elite Pre: approx. 321 mm (W) × 310 mm (D) × 70 mm (H).
QSP: approx. 321 mm (W) × 310 mm (D) × 140 mm. Compact footprint for easy rack placement.
• Weight – Elite Pre approx. 4.5 kg; QSP approx. 12 kg. Solid chassis design minimizes vibration, enhancing component longevity and maintaining consistent audio performance.
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Lumin S1 Network Music Streamer
• Lumin S1 Network Music Streamer – Designed for reference-level digital playback, the S1 offers native DSD, dual-mono DAC topology, and exceptional transparency, ideal for resolving high-end systems demanding maximum digital purity.
• Dual-Mono DAC Architecture – Featuring four ESS Sabre ES9018 chips per channel, the Lumin S1 achieves superior channel separation, low noise, and a highly detailed yet natural sonic presentation across all formats.
• High-Resolution Format Support – The S1 supports native DSD128, DXD, and high-rate PCM, ensuring full compatibility with modern digital libraries while maintaining remarkable accuracy, spaciousness, and tonal refinement.
• Precision Build and Connectivity – With robust power regulation, premium components, and wide-format network support, the S1 provides consistent performance, fast response, and seamless integration with advanced NAS and streaming setups.
• Dimensions – Approx. 350 mm (W) × 345 mm (D) × 60 mm (H). Its low-profile chassis fits elegantly into reference digital audio racks and modern streaming systems.
• Weight – Approximately 8–10 kg, offering a solid, vibration-resistant enclosure that enhances DAC stability and overall playback precision.
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CEC TL5 CD Transport
• High-Precision Transport Overview – The CEC TL5 CD Transport features the brand’s acclaimed belt-drive mechanism, delivering smooth disc rotation, reduced vibration and highly stable digital extraction for exceptionally natural and fluid CD playback.
• Belt-Drive Digital Extraction – Its unique belt-driven transport minimises mechanical noise and rotational irregularities, improving jitter performance, tonal purity and musical flow, with one mention of CEC TL5 CD Transport enhancing digital accuracy.
• Digital Output Flexibility – Offering coaxial, optical and AES/EBU outputs, the unit integrates seamlessly with high-end DACs, maintaining clock stability and delivering clean, low-noise digital transmission, plus one additional mention of CEC TL5 CD Transport.
• Vibration-Controlled Chassis – The rigid enclosure and isolated transport assembly provide excellent resonance control, ensuring stable disc reading and improved transparency across complex or dynamic musical passages.
• Product Dimensions – Measuring approximately 435 mm (W) × 335 mm (D) × 109 mm (H), the chassis fits comfortably into standard hi-fi racks while providing adequate ventilation for stable operation.
• Product Weight – Weighing about 7.4 kg, the well-damped structure enhances mechanical stability, reduces micro-vibrations and contributes to the unit’s refined and fluid sonic character.
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Lumin U1 Mini and Plixir Power Supply
Lumin U1 Mini
• Function: Digital Music Transport (No DAC)
• Supported Formats: PCM up to 384kHz, DSD up to DSD256
• Outputs: AES/EBU, USB, BNC, RCA, Optical
• Network: Gigabit Ethernet
• App Support: Lumin App, Roon Ready, Tidal, Qobuz, Spotify Connect, AirPlay
• Dimensions: 300 × 244 × 60 mm
• Weight: 2.5 kg
Plixir Power Supply (Elite BDC or Equivalent)
• Type: Balanced DC Linear Power Supply • Output: 12V DC (specially matched for Lumin U1 Mini)
• Effect: Lower noise floor, improved dynamics and transparency
• Made in Singapore
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Roksan Caspian M Series-1 CD Player and Integrated Amplifier
• Roksan Caspian M Series-1 CD Player and Integrated Amplifier – The Roksan Caspian M Series-1 CD Player and Integrated Amplifier deliver refined Class AB amplification and precision digital playback, offering exceptional musical flow, timing accuracy and tonal coherence for advanced audiophile systems.
• Digital Architecture & Sonic Performance – Using the Burr-Brown PCM1730E DAC, low-jitter clocking and isolated analogue/digital power rails, the Roksan Caspian M Series-1 CD Player and Integrated Amplifier provide stable imaging, low distortion and natural harmonic structure.
• System Connectivity & Integration – Designed for flexibility, the Roksan Caspian M Series-1 CD Player and Integrated Amplifier offer RCA and XLR outputs, multiple line inputs and digital outputs, ensuring clean signal paths and seamless integration into sophisticated stereo systems.
• Operational Design & Listening Character – With robust linear power supplies and a dual-mono amplifier layout, the Roksan Caspian M Series-1 CD Player and Integrated Amplifier deliver controlled dynamics, articulate bass and an engaging midrange ideal for revealing loudspeakers.
• Product Dimensions – CD Player: 432 mm (W) × 80 mm (H) × 330 mm (D). Integrated Amplifier: 415 mm (W) × 89 mm (H) × 330 mm (D). Sized for standard racks with stable thermal behaviour and mechanical rigidity.
• Weight – CD Player approx. 10 kg; Integrated Amplifier approx. 14 kg. The dense chassis and transformer design improve vibration control, enhancing clarity, bass articulation and overall system transparency.
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Roksan Oxygene CD Player with Integrated Amplifier
• Roksan Oxygene CD Player with Integrated Amplifier – A finely engineered British system combining a 24-bit/192kHz CD player and Class D amplifier to deliver precise dynamics and musical clarity for discerning audiophiles.
• Class D Amplification Excellence – The amplifier section uses Hypex UcD modules and a linear power supply, offering approx. 90 W into 8 Ω and up to 150 W into 4 Ω, suitable for advanced speaker loads.
• Digital-to-Analog & Source Flexibility – The CD player supports 24-bit/192 kHz conversion, optical/coax outputs and RCA analogue output, while the integrated amp offers aptX Bluetooth, subwoofer output and multiple line inputs.
• Compact Stylish Design – Each unit measures approximately 310 × 310 × 60 mm (W×D×H), allowing sleek placement in premium systems without sacrificing build quality or performance.
• Balanced Build Weight – The CD player weighs around 4 kg and the integrated amplifier around 7 kg, delivering mechanical stability with minimal rack footprint in high-end systems.
• Upgrade-Friendly Architecture – Its modular design and high-quality digital stage make the Roksan Oxygene CD Player with Integrated Amplifier an ideal foundation for system growth or position as a reference all-in-one solution.
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Lumin X1 Reference Streamer DAC
• Reference Streaming DAC Overview – The Lumin X1 Reference Streamer DAC delivers flagship digital performance with dual-mono conversion, fibre networking and exceptional transparency, providing a world-class digital source for demanding high-end audio systems.
• DAC Architecture & Digital Processing – Featuring dual ESS Sabre ES9038Pro chips, advanced clocking and discrete output stages, the Lumin X1 Reference Streamer DAC achieves remarkable resolution, low noise and natural tonal accuracy across high-resolution formats.
• DAC: Dual ESS Sabre ES9038Pro (dual-mono)
• Power Supply: External dual-toroidal linear power supply
• Inputs: Ethernet, USB, Optical, SPDIF, AES/EBU
• Outputs: USB, BNC, AES/EBU, Optical, Coaxial, Balanced & RCA analog
• Formats Supported: PCM up to 384kHz, DSD512, full MQA decoding
• Clocking: Precision femto clock system
• Chassis: CNC-milled aluminum dual-chassis
• Dimensions: Main unit 350 × 345 × 60 mm / Power supply 106 × 60 × 334 mm
• Weight: ~15kg combined
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Adcom is an American audio electronics brand known for delivering high-current amplification and robust engineering at accessible price points. Rising to prominence through its power amplifiers and preamplifiers, Adcom focused on reliability, drive capability, and straightforward circuit design.
Adcom amplifiers are built with conservative engineering margins and substantial power supplies, allowing many models to remain in active use decades after release. This makes pre-owned Adcom equipment especially attractive to listeners seeking dependable amplification with lasting performance.
Across Singapore, Malaysia, and Southeast Asia, Adcom continues to appeal to value-conscious audiophiles building reliable systems. On SoundTribeAsia, Adcom equipment — new and pre-owned — is offered by verified dealers, providing transparent listings and trusted access through a regional marketplace.