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Focal Cub Evo Subwoofer
• Overview – The Focal Cub Evo Subwoofer, released in 2017, is a compact active subwoofer featuring an integrated solid-state Class D amplifier, engineered to deliver deep, controlled bass for both hi-fi and home theatre systems.
• Compact Power Design – Despite its small footprint, the Cub Evo uses a long-throw 8-inch driver and efficient internal amplification, producing impactful low frequencies while maintaining tight control and minimal distortion in smaller listening spaces.
• System Integration – The Focal Cub Evo Subwoofer integrates seamlessly with bookshelf or compact floorstanding speakers, enhancing low-frequency extension and overall system balance without overwhelming the midrange or high-frequency presentation.
• Specifications – 200W Class D built-in amplifier, 8-inch Polyflex driver, frequency response approximately 35Hz–150Hz, adjustable crossover and phase control, RCA line input, auto standby function for efficient operation.
• Dimensions – Measures approximately 305 mm (W) × 305 mm (H) × 305 mm (D), offering a compact cube design ideal for discreet placement in living rooms or dedicated listening setups.
• Weight – Weighs approximately 8 kg, reflecting solid cabinet construction and internal amplification components designed for stable, vibration-controlled bass reproduction.
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Focal Kanta N1 Bookshelf Speakers Pair with Stands
• Overview – The Focal Kanta N1 White/Black Bookshelf Speakers with Stands, released in 2018, are high-performance two-way standmount loudspeakers featuring Focal’s Beryllium tweeter and Flax mid-bass driver for exceptional clarity and precision.
• Advanced Driver Technology – The combination of Focal’s pure Beryllium inverted-dome tweeter and proprietary Flax sandwich cone mid-bass driver delivers remarkable transient speed, natural tonal balance, and highly detailed treble extension.
• Sonic Presentation – The Focal Kanta N1 White/Black Bookshelf Speakers with Stands produce expansive imaging, articulate midrange, and tight controlled bass, making them ideal for high-resolution stereo systems in medium-sized listening rooms.
• Specifications – Two-way bass reflex design, 6.5-inch Flax mid-bass driver, Beryllium inverted dome tweeter, 8-ohm nominal impedance, 88dB sensitivity, frequency response approximately 46Hz–40kHz, recommended amplifier power 25–150W.
• Dimensions – Each speaker measures approximately 422 mm high × 234 mm wide × 391 mm deep, while the dedicated stands elevate the speakers to optimal listening height for improved imaging.
• Weight – Each speaker weighs approximately 14 kg, while the matching stands add additional stability, supporting precise positioning and reduced cabinet vibration during high-output listening.
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Alon II Speakers
• Overview – The Alon II Speakers, released in the mid-1990s, are American-designed open-baffle hybrid loudspeakers featuring a dynamic woofer and dipole mid/tweeter array for expansive, room-filling soundstage realism.
• Open-Baffle Design – Utilizing a dipole midrange and tweeter configuration, Alon II Speakers create exceptional spatial depth and imaging precision, minimizing box coloration while delivering natural, airy high-frequency extension.
• Bass Performance – A sealed dynamic woofer provides articulate, tuneful low-frequency response, blending seamlessly with the open midrange section to produce balanced tonality and impressive dynamic scale in medium-sized rooms.
• Specifications – 2-way hybrid dipole design, sensitivity approximately 87–89 dB, nominal 4-ohm impedance, recommended amplification 50–200 W, frequency response extending roughly 30 Hz–20 kHz, optimized for high-current solid-state amplification.
• Dimensions – Each cabinet measures approximately 39 in high × 12 in wide × 15 in deep, with an open rear mid/high section requiring thoughtful room placement for best performance.
• Weight – Each speaker weighs approximately 60–70 lbs (27–32 kg), reflecting solid cabinetry, substantial crossover components and robust driver assemblies.
• Product Review – https://www.stereophile.com/floorloudspeakers/471/index.html
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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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Harbeth SHL5 30th Anniversary
• Harbeth SHL5 30th Anniversary Overview – The Harbeth SHL5 30th Anniversary edition, released in 2008, refines the classic SHL5 design with upgraded internal components, enhanced cabinetry, and the iconic RADIAL2 driver for natural, lifelike musical reproduction.
• Upgraded Anniversary Engineering – Featuring premium Mundorf capacitors, improved crossover tuning, and tighter driver matching, the Harbeth SHL5 30th Anniversary delivers superior transparency, richer tonal textures, and greater micro-detail retrieval.
• Exceptional Midrange and Imaging – Loved by audiophiles for its organic midrange and holographic imaging, the SHL5 Anniversary maintains Harbeth’s studio-grade neutrality while offering a warm, emotionally engaging listening experience.
• Premium Cabinet Craftsmanship – Hand-built with select real-wood veneers exclusive to the anniversary model, the cabinet design minimises distortion and resonance, enhancing openness and natural acoustic realism across all genres.
• Dimensions – Approx. 638 mm (H) × 322 mm (W) × 300 mm (D), offering a substantial monitor-style enclosure optimised for acoustic accuracy and room-friendly placement.
• Weight – Roughly 16 kg per speaker, providing stability and resonance control that supports the refined bass response and overall tonal balance of the SHL5 design.
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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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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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Focal Aria 948 Speakers
• Focal Aria 948 Speakers – A high-performance 3-way floorstanding loudspeaker engineered for audiophiles seeking dynamic, full-range sound with exceptional tonal balance, rich midrange, and deep, articulate bass extension.
• Innovative Driver Technology – The Focal Aria 948 Speakers utilize Flax sandwich cone drivers and an aluminum/magnesium TNF tweeter, delivering natural timbre, low distortion, and remarkable transient response across the frequency spectrum.
• Acoustic Design and Cabinetry – Triple front-ported bass alignment with non-parallel MDF panels minimizes standing waves, enhancing imaging precision, room integration, and spatial depth in large listening environments.
• Amplifier Synergy – With a nominal impedance of 8 ohms and 92.5 dB sensitivity, the Focal Aria 948 pairs effortlessly with high-current Class AB or Class D amplifiers from 40–350 watts per channel.
• Product Dimensions – Each speaker measures 1,150 mm (H) × 371 mm (W) × 420 mm (D), ideal for medium-to-large listening spaces requiring expansive yet controlled sound.
• Weight – Each Focal Aria 948 weighs approximately 35 kg, providing mechanical stability, cabinet rigidity, and reduced resonance for accurate low-frequency reproduction.
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Harbeth Super HL5 Plus XD with Skylan Stands
• Loudspeaker System Overview – The Harbeth Super HL5 Plus XD with Skylan Stands delivers natural BBC-style transparency, wide bandwidth and exceptional vocal realism, creating a highly engaging and musically expressive performance for refined two-channel listening environments.
• RADIAL2 Driver Integration – The design incorporates Harbeth’s proprietary RADIAL2 mid/bass driver and advanced XD crossover, providing outstanding tonal accuracy, seamless driver blending and stable imaging, with one mention of Harbeth Super HL5 Plus XD with Skylan Stands.
• High-Frequency Extension – A dedicated super tweeter supports extended treble response, delivering enhanced airiness, micro-detail and three-dimensional soundstage depth, with one additional mention of Harbeth Super HL5 Plus XD with Skylan Stands.
• Stand Synergy & Resonance Control – The Skylan Stands complement the speakers with controlled damping and vibration isolation, improving bass articulation, stereo focus and overall clarity by optimising height alignment and mechanical stability.
• Product Dimensions – Each loudspeaker measures approximately 635 mm (H) × 322 mm (W) × 300 mm (D), while the Skylan Stands provide a matching footprint and height for ideal acoustic positioning in most listening rooms.
• Product Weight – Each speaker weighs around 16 kg, and each stand approximately 12–14 kg depending on fill, offering excellent grounding and reduced resonance for improved dynamic performance and midrange purity.
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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.