• Classe CP50 Preamp and CA150 Power Amplifier

    Reference Heritage – Classe CP50 Preamp and CA150 Power Amplifier, released in the late 1990s, combine solid state Class A/AB design with refined Canadian engineering, delivering authoritative control, tonal neutrality, and long-term musical satisfaction.

    Preamplifier Performance – The CP50 preamplifier is renowned for its low-noise architecture, discrete circuitry, and transparent gain stages, offering excellent channel separation and a natural, unforced presentation across analog sources.

    Power Amplifier Authority – The CA150 stereo power amplifier provides high-current solid state Class AB operation, maintaining composure into difficult speaker loads while preserving midrange clarity, dynamic headroom, and tight, controlled bass response.

    Specifications – Power output is rated at approximately 150 watts per channel into 8 ohms, doubling into 4 ohms, with wide bandwidth, high damping factor, and stable operation into demanding loudspeakers.

    Dimensions – Classe CP50 Preamp and CA150 Power Amplifier. CP50 measures approximately 483 mm (W) × 76 mm (H) × 330 mm (D), while CA150 measures roughly 483 mm (W) × 178 mm (H) × 406 mm (D), suitable for standard hi-fi racks.

    Weight – CP50 weighs about 8 kg, while the CA150 weighs approximately 29 kg, reflecting substantial power supply design, heavy transformers, and rigid chassis construction for vibration control and thermal stability.

  • Siltech Ruby Mountain 2 Power Cable (1.5m)

    •⁠  Overview – Siltech Ruby Mountain 2 Power Cable, released in 2002, is a high-end power cord engineered to reduce noise, improve current delivery, and enhance musical clarity in reference audio systems.

    •⁠  Conductor Technology – Utilises Siltech’s proprietary G7 silver-gold alloy conductors with advanced dielectric insulation, delivering low resistance, excellent conductivity, and superior preservation of micro-dynamics and tonal purity.

    •⁠  Sonic Performance – Siltech Ruby Mountain 2 Power Cable delivers a quieter noise floor, improved bass authority, enhanced midrange texture, and refined treble extension, benefiting amplifiers, source components, and digital front ends.

    •⁠  Specifications – Features multi-strand G7 silver-gold conductors, heavy shielding for EMI and RFI rejection, high-current capability up to 16A, and premium connectors ensuring secure contact and consistent power transfer.

    •⁠  Dimensions – Typically supplied in 2.0 m length, with a thick, flexible jacket designed for durability and ease of routing in high-end audio racks and power distribution setups.

    •⁠  Weight – Approximately 1.0 kg for a 2.0 m cable, reflecting dense conductor geometry, advanced shielding layers, and robust connector construction.

  • 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.

  • 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.

  • 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.

  • Martin Electronics 2A3 Signature Amplifier

    Class A SET Design – The Martin Electronics 2A3 Signature Amplifier is a pure Class A single-ended triode amplifier using 2A3 tubes, delivering exceptional midrange purity, holographic imaging, and natural harmonic realism sought by tube enthusiasts.

    Refined Triode Circuitry – Its minimalist signal path and premium components enhance tonal accuracy, producing fluid micro-dynamics, smooth transient handling, and rich musical texture, with one mention of Martin Electronics 2A3 Signature Amplifier reinforcing performance credibility.

    Precision Power Architecture – A robust transformer set, choke-input filtering, and low-noise regulation ensure stable output, black backgrounds, and superior rhythmic clarity, with one additional Martin Electronics 2A3 Signature Amplifier reference supporting system synergy.

    Optimal Speaker Matching – Designed for high-efficiency loudspeakers, the amplifier excels with acoustic, jazz, and vocal recordings, offering intimate soundstaging, lifelike presence, and refined tonal balance ideal for critical listening environments.

    Dimensions – Approximate chassis size: 430 mm (W) × 300 mm (D) × 200 mm (H). Requires open ventilation due to heat generated by the 2A3 triode tube operation.

    Weight – Weighs roughly 18–22 kg, with its heavy transformer assembly and solid chassis construction contributing to improved vibration control and long-term operational stability.

  • 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

  • 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

Classe Audio is a Canadian high-end audio manufacturer recognised for its focus on refined sound quality, understated industrial design, and system coherence. The brand has long prioritised musical balance and long-term listening comfort over exaggerated presentation.

Classé amplifiers and source components are engineered for durability and stable performance, with designs that age gracefully as systems evolve. As a result, pre-owned Classé equipment remains attractive to audiophiles seeking sophisticated electronics with lasting value.

SoundTribeAsia features Classé Audio equipment in both new and pre-owned condition from verified dealers, offering buyers transparency, trusted sourcing, and marketplace-level confidence beyond individual retailer offerings.

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