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Luxman M-900u Ultimate
• Overview – Luxman M-900u Ultimate, released in 2013, is a solid-state Class AB stereo power amplifier engineered for extreme current delivery, tonal neutrality, and absolute control over demanding loudspeaker loads.
• Amplifier Architecture – Designed with Luxman’s ODNF 4.0 feedback circuitry, it delivers exceptional speed, ultra-low distortion, and natural musical flow while preserving dynamic contrast and micro-detail across complex recordings.
• System Authority – Luxman M-900u Ultimate excels in large-scale systems, providing effortless drive, deep bass grip, and expansive soundstaging, making it ideal for reference loudspeakers with challenging impedance characteristics.
• Specifications – Rated at 300 watts per channel into 8 ohms and 600 watts into 4 ohms, featuring high damping factor, wide bandwidth response, and fully discrete circuitry for uncompromised signal integrity.
• Dimensions – Approx. 467 mm (W) × 226 mm (H) × 485 mm (D), housed in a substantial chassis with thick aluminium panels and optimized internal layout for thermal stability and vibration control.
• Weight – Approximately 48 kg, reflecting massive transformers, large capacitor banks, and Luxman’s uncompromising mechanical construction required for sustained high-power performance.
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Luxman L550
• Product Overview – The Luxman L550, released in 1982, is a pure Class A solid-state integrated amplifier celebrated for its rich tonal warmth, precise control, and exceptionally musical presentation across diverse loudspeaker systems.
• Signature Luxman Sound – Known for its fluid midrange and refined harmonic structure, the Luxman L550 delivers highly engaging musicality that appeals to audiophiles seeking natural detail and effortless coherence.
• Classic Engineering – The Luxman L550 showcases meticulous Japanese craftsmanship, employing hand-selected components and a dual-mono layout to improve channel separation, enhance resolution, and reinforce tonal stability during dynamic passages.
• System Synergy – The Luxman L550 integrates seamlessly into both modern and vintage systems, offering consistent drive, stable performance, and excellent pairing flexibility with sensitive or moderately demanding speakers.
• Dimensions – Approx. 460 mm (W) × 170 mm (H) × 455 mm (D), designed to fit standard audio racks while maintaining adequate ventilation for Class A heat dissipation.
• Weight – Around 25 kg, featuring a robust transformer and solid chassis construction that enhances mechanical stability and minimizes resonance intrusion.
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Luxman MQ-88uC
• Luxman MQ-88uC – The Luxman MQ-88uC is a Class AB vacuum-tube power amplifier (released 2019), using KT88 output tubes to deliver refined musicality, low distortion, and Luxman’s signature warm yet articulate presentation.
• Premium Tube Circuitry – The Luxman MQ-88uC employs a Mullard-inspired circuit with meticulous point-to-point wiring, achieving exceptional linearity, wide bandwidth, and effortless drive with superb harmonic accuracy and midrange richness.
• Precision Engineering – With stabilized power regulation, highly shielded transformers, and Luxman’s proprietary LECUA attenuation architecture, the MQ-88uC ensures ultra-quiet operation and consistent performance even with demanding loudspeakers.
• Build Quality – The amplifier’s classic Japanese craftsmanship includes a rigid chassis, custom EI-core transformers, and precision-selected components that collectively enhance stability, tonal refinement, and operational longevity.
• Dimensions – Approx. 440 mm (W) × 184 mm (H) × 230 mm (D), compact for a tube power amplifier while preserving optimal internal airflow and layout.
• Weight – Roughly 16–18 kg, reflecting its robust transformer assembly, steel chassis, and premium tube complement.
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Luxman L-509X
• Flagship Integrated Design – The Luxman L-509X is a Class AB solid-state integrated amplifier with premium preamp, DAC-ready connectivity options, and precision volume control, delivering exceptional transparency and musical refinement.
• Advanced Circuit Topology – Featuring Luxman’s ODNF 4.0 technology and robust current delivery, the Luxman L-509X ensures low distortion, improved microdynamics, and authoritative grip over demanding loudspeakers.
• Premium Build Quality – Luxman L-509X showcases meticulous Japanese craftsmanship, including a reinforced chassis, precision meters, and optimized internal layout for noise reduction and long-term performance stability.
• Versatile System Integration – With high-grade line inputs, phono stage, and flexible system configuration, the amplifier accommodates both analog sources and modern setups while maintaining the signature Luxman sonic warmth.
• Dimensions – Luxman L-509X Measures approximately 440 mm (W) × 193 mm (H) × 463 mm (D), fitting comfortably into high-end audio racks while allowing proper ventilation.
• Weight – Weighs about 29.3 kg, reflecting its substantial power supply, robust transformers, and vibration-controlled chassis structure designed for maximum sonic purity.
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B&W ASW750 Subwoofer
• B&W ASW750 Subwoofer Overview – The B&W ASW750, introduced in the early 2000s, is a high-performance active subwoofer featuring a 12-inch driver and powerful Class D amplification for deep, controlled bass extension in music and home-theatre systems.
• High-Excursion Bass Performance – Its 300W Class D amplifier and long-throw Kevlar/pulp composite driver deliver tight, articulate low frequencies, allowing the B&W ASW750 Subwoofer to reproduce demanding bass passages with precision and authority.
• Room-Friendly Acoustic Control – The B&W ASW750 Subwoofer includes adjustable crossover, phase switching, and bass extension settings, enabling seamless integration with a wide range of speakers and room acoustic conditions.
• Solid Cabinet Engineering – Designed with a rigid, heavily braced enclosure and front-firing driver layout, the ASW750 minimises distortion and resonance, ensuring clean, impactful bass reproduction at all playback levels.
• Dimensions – Approx. 430 mm (H) × 360 mm (W) × 450 mm (D), offering a compact yet substantial footprint suitable for both dedicated listening rooms and home-theatre environments.
• Weight – Around 25 kg, providing excellent cabinet stability and improved acoustic damping that enhances low-frequency accuracy and transient response.
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B&W DM604 Series 2
• Loudspeaker Overview – The B&W DM604 Series 2, released around 2000, is a full-range 3-way floorstander featuring dual bass drivers and a Nautilus-loaded tweeter, offering dynamic, room-filling performance for music and home theater systems.
• Nautilus Tweeter Technology – The B&W DM604 Series 2 uses B&W’s tube-loaded aluminum dome tweeter, delivering clean high-frequency extension, reduced resonance, and improved dispersion for detailed imaging and articulate treble reproduction.
• Powerful Bass Foundation – Dual 7-inch woofers provide strong low-frequency extension with tight control, enabling the DM604 S2 to reproduce impactful bass lines and cinematic effects while maintaining clarity across the entire frequency range.
• Kevlar Midrange Precision – With a dedicated Kevlar midrange driver, the B&W DM604 Series 2 offers excellent vocal definition and midband accuracy, producing a balanced tonal spectrum ideal for stereo and multi-channel setups.
• Dimensions – Approx. 1000 mm (H) × 236 mm (W) × 314 mm (D). Slim cabinet design integrates easily into living rooms while delivering full-scale sound.
• Weight – Approx. 27 kg per speaker, providing solid cabinet mass that minimizes resonance and improves bass control and overall acoustic stability.
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Kimber Kables 4TC Speaker Cables (3.1m)
• High-Purity Cable Design – Kimber Kables 4TC Speaker Cables (3.1m) use Kimber’s classic braided geometry, offering exceptional noise rejection, improved conductivity, and transparent signal transfer for clean, natural, and highly detailed musical playback.
• Eight-Conductor Architecture – The Kimber Kables 4TC Speaker Cables (3.1m) feature four blue and four black Teflon-insulated conductors, delivering excellent phase coherence, low capacitance, and smooth frequency balance across demanding loudspeaker systems.
• Superior Tonal Neutrality – These cables provide balanced bass control, open midrange presence, and refined treble extension, making them ideal for systems requiring neutrality, improved imaging, and enhanced microdynamic resolution.
• System Compatibility – The Kimber Kables 4TC Speaker Cables pair well with tube and solid-state amplifiers, offering stable performance and flexible termination options for a wide range of high-quality loudspeakers.
• Dimensions – Typical length 2–3 meters depending on configuration, featuring Kimber’s signature hand-braided construction designed for consistent electrical performance and reduced electromagnetic interference.
• Weight – Lightweight yet robust, approximately 0.4–0.6 kg per stereo pair depending on length, ensuring easy routing, optimal flexibility, and long-term durability.
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Bowers & Wilkins is a British loudspeaker brand with a long history of research-driven acoustic development and material innovation. Known for its investment in measurement, driver technology, and cabinet engineering, the brand has consistently focused on accuracy, clarity, and controlled sound dispersion across domestic and professional applications.
Bowers & Wilkins loudspeakers are designed to deliver consistent performance over extended lifecycles, with gradual refinement rather than abrupt redesigns. This makes pre-owned Bowers & Wilkins speakers particularly relevant, as well-maintained models continue to integrate effectively into modern hi-fi and home audio systems.
Across Singapore, Malaysia, and Southeast Asia, Bowers & Wilkins is widely recognised among both enthusiasts and professionals. On SoundTribeAsia, Bowers & Wilkins loudspeakers — new and pre-owned — are listed by verified dealers, offering transparent pricing and trusted access through a curated regional marketplace.






