• 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.

  • 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.

  • 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.

  • YBA Integre Alpha Integrated Amplifier

    YBA Integre Alpha Integrated Amplifier Overview – The YBA Integre Alpha Integrated Amplifier, launched in the mid-1990s, is a Class AB solid-state design featuring high-quality analog inputs and YBA’s signature minimal-feedback topology for purity and musical realism.

    Refined French Engineering – The YBA Integre Alpha delivers exceptional tonal accuracy, wide soundstage depth, and a smooth, grain-free presentation, making it ideal for resolving speakers that benefit from organic musical flow and control.

    Musical Drive and Dynamics – With its robust power supply and precisely voiced circuitry, the YBA Integre Alpha offers fast transient response, excellent micro-detail retrieval, and stable current delivery for rhythmic, engaging playback.

    Low-Noise Analog Performance – The YBA Integre Alpha emphasizes ultra-low distortion and clean power delivery, ensuring black backgrounds, natural harmonic structure, and impressive dynamic contrast across both digital and analog sources.

    Dimensions – Approx. 430 mm (W) × 85 mm (H) × 300 mm (D), fitting easily into standard hi-fi racks while maintaining optimal ventilation for stable long-term performance.

    Weight – Roughly 10–12 kg, featuring a high-grade transformer and rigid chassis that help suppress vibration and enhance signal purity.

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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