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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.
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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.
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Telos Grounding Noise Reducer GNR V5.1
• Product Overview – Telos Grounding Noise Reducer GNR V5.1, released in the early-2020s, is a passive noise-reduction grounding device engineered to lower system noise floors and stabilise reference grounding in high-resolution audio systems.
• Grounding Technology – Utilising Telos Audio Design’s proprietary grounding architecture, this unit absorbs and dissipates stray noise, leakage currents, and RF interference, improving background silence, micro-detail retrieval, and overall system coherence.
• Sonic Benefits – The Telos Grounding Noise Reducer GNR V5.1 enhances spatial clarity, low-level resolution, and tonal purity, particularly in complex systems where multiple digital, analogue, and power components share common grounding paths.
• Specifications – Passive grounding device with ultra-low impedance internal structure, non-magnetic chassis, resonance-controlled construction, and no active circuitry, ensuring zero signal insertion loss or dynamic compression during operation.
• Dimensions – Compact chassis designed for rack or floor placement, approximately 160 mm (W) × 80 mm (H) × 260 mm (D), allowing easy integration near source, amplifier, or power distribution components.
• Weight – Approximately 3–4 kg, reflecting dense internal materials used for vibration control and noise absorption without placing undue strain on shelving or equipment racks.
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Telos Audio Design Branda Signature Speaker Cables (2.5m Shotgun)
• Product Overview – Telos Audio Design Branda Signature Speaker Cables (2.5m Shotgun), part of Telos’s high-performance Branda Series, are meticulously engineered with premium materials and conductor geometry to deliver refined clarity and musical coherence.
• Cable Engineering – Designed with precision-stranded high-purity conductors, advanced dielectric materials, and heavy shielding, the Branda Signature cables minimise electromagnetic and radio-frequency interference while preserving timing and dynamic detail.
• Sonic Character – These cables offer a balanced tonal signature with articulate bass control, open midrange presence, and smooth treble extension, making them suitable for both high-resolution solid-state rigs and lively tube systems.
• Specifications – 2.5 m length “Shotgun” configuration, optimised conductor cross-section for low resistance and controlled inductance/capacitance, precision terminations for secure contact, and mechanical damping to reduce microphonics.
• Dimensions – Each cable pair measures 2.5 m, providing flexible reach for typical loudspeaker placements without excess slack, while retaining conductor integrity and consistent electrical performance.
• Weight – Moderate weight reflective of dense conductor and shielding construction, engineered to minimise strain on speaker and amplifier terminals while maintaining a tactile, confidence-inspiring feel.
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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.
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TELOS AUDIO Quantum Active Power Cord
• Product Overview – The TELOS AUDIO Quantum Active Power Cord, released in 2021, is an active AC power cable using proprietary Quantum Noise Reduction technology to lower noise and enhance dynamic realism in high-end audio systems.
• Active Noise Cancellation – Incorporating an onboard active circuit powered externally, the cable actively suppresses EMI and RF noise, improving background silence, transient speed, and perceived resolution across connected source or amplification components.
• System-Level Performance Gains – Designed for DACs, streamers, preamplifiers, and power amplifiers, the TELOS AUDIO Quantum Active Power Cord enhances tonal purity, spatial depth, and low-level detail without current compression.
• Specifications – High-purity copper conductors, active quantum noise-cancellation module, standard IEC connectors, compatibility with 110–240V systems, and optimized current handling suitable for both source and amplification duties.
• Dimensions – Typical cable length varies by configuration, commonly around 1.5–2.0 meters, allowing flexible system routing while accommodating the external active module placement.
• Weight – Approximately 1.2 kg depending on length, reflecting heavy-gauge conductors, shielding, and the integrated active noise-reduction module.
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Telos Branda Signature Speaker Cables (2.5m)
• High-End Cable Overview – The Telos Branda Signature Speaker Cables (2.5m), launched in the early 2020s, feature precision-crafted conductors and advanced metallurgy engineered to deliver superior signal purity, dynamic contrast, and improved system coherence.
• Advanced Conductor Design – The Telos Branda Signature Speaker Cables (2.5m) employ ultra-high-purity copper and proprietary cryogenic treatment, reducing resistance and preserving harmonic detail for more open mids, extended highs, and tighter bass articulation.
• Enhanced Noise Control – With multi-layer shielding, vibration-damping geometry, and precision dielectric materials, the cables provide excellent RF rejection and lower noise floor, allowing greater transparency in complex high-resolution audio systems.
• Precision Termination – Telos’ custom CNC-machined connectors ensure superior contact stability and low-loss signal transfer, enhancing overall tonal balance and maximizing the sonic improvements provided by the Branda Signature design.
• Dimensions – Cable length: 2.5 meters per channel. Engineered with a moderate diameter for flexibility, easy cable routing, and compatibility with a wide range of speaker terminals.
• Weight – Approx. 0.7–1.0 kg per cable pair, depending on termination type, offering substantial mechanical stability without compromising ease of installation.
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Herron Audio VTOH-1 Tube Phono
• Reference Phono Stage Overview – The Herron Audio VTOH-1 Tube Phono delivers exceptionally low noise, wide dynamic range and natural tonal richness using Keith Herron’s acclaimed tube-hybrid topology for highly accurate vinyl reproduction.
• Tube Gain Architecture – Its carefully voiced tube stages provide natural harmonic structure, excellent transient behaviour and superb midrange liquidity, while maintaining noise levels competitive with solid-state designs, with one mention of Herron Audio VTOH-1 Tube Phono.
• Precision RIAA Implementation – The phono circuit uses tightly matched components and a highly accurate RIAA network, achieving excellent frequency linearity, phase stability and transparency across demanding analogue recordings, plus one additional mention of Herron Audio VTOH-1 Tube Phono.
• Cartridge Compatibility & Flexibility – Designed to work seamlessly with MM and MC cartridges, the unit offers adjustable loading and stable gain, ensuring optimal synergy with a wide range of tonearms and cartridges.
• Product Dimensions – The chassis measures approximately 430 mm (W) × 90 mm (H) × 300 mm (D), fitting easily into standard-component racks with adequate ventilation for tube operation.
• Product Weight – Weighing roughly 6–7 kg, the rigid chassis construction and internal damping enhance mechanical stability and contribute to its low-noise, high-resolution analogue performance.
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Herron Audio is an American audio manufacturer specialising in valve-based preamplifiers and phono stages designed for musical accuracy and low-noise performance. The brand’s philosophy focuses on simplicity, careful component selection, and circuit stability to deliver natural tonal balance and dynamic nuance.
Herron Audio products are built for longevity, with designs that prioritise serviceability and conservative operating points. This makes pre-owned Herron Audio equipment especially appealing to vinyl enthusiasts and tube aficionados seeking reference-quality performance without frequent upgrades.
Across Singapore, Malaysia, and Southeast Asia, Herron Audio is respected among listeners building serious analog and tube-based systems. On SoundTribeAsia, Herron Audio equipment — new and pre-owned — is offered by verified dealers, providing transparent condition reporting and trusted access through a curated regional marketplace.