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Primark L30 speakers
• Overview – The Primark L30 Speakers, released in the early 2000s, are compact floorstanding loudspeakers engineered for balanced tonal presentation, delivering engaging stereo performance suitable for small to medium listening rooms.
• Sound Character – Designed for musicality and clarity, Primark L30 Speakers provide articulate midrange reproduction and controlled bass response, offering a natural presentation that suits both vocals and acoustic recordings.
• Cabinet & Drivers – Featuring a rigid MDF cabinet with rear bass reflex porting, the design supports efficient airflow and reduced cabinet resonance, contributing to improved low-frequency extension and stable stereo imaging.
• Specifications – 2-way bass reflex design, nominal 8-ohm impedance, sensitivity approximately 88 dB, recommended amplifier power 30–120 watts, frequency response extending roughly 45 Hz–20 kHz for balanced full-range listening.
• Dimensions – Each cabinet measures approximately 850 mm high × 180 mm wide × 260 mm deep, allowing flexible placement in domestic environments without overwhelming room space.
• Weight – Each speaker weighs approximately 14–16 kg, offering stable floorstanding performance while remaining manageable for positioning and system setup adjustments.
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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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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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Transrotor Strato Turntable (Black Nero) with TR9 Chrom Tonearm/Figaro MC Cartridge and Konstant FMD Power Supply
• Reference Turntable Overview – The Transrotor Strato Turntable (Black Nero) with TR9 Chrom Tonearm/Figaro MC Cartridge and Konstant FMD Power Supply delivers ultra-stable, low-resonance analogue playback through a high-mass chassis and precision-engineered German machining.
• Precision Bearing & Platter System – Its inverted hydrodynamic bearing and multi-layer aluminium platter provide exceptionally low noise, improved speed consistency and enhanced micro-detail retrieval, with one mention of Transrotor Strato Turntable (Black Nero) improving accuracy.
• Tonearm & Cartridge Synergy – The TR9 Chrom tonearm paired with the Figaro MC cartridge ensures superb tracking, natural tonal density and wide staging, offering excellent synergy for high-end vinyl systems, with one further reference to Transrotor Strato Turntable (Black Nero).
• External Konstant FMD Motor Control – The dedicated Konstant FMD power supply delivers precise electronic speed regulation, reduced motor vibration and superior pitch stability, significantly elevating the turntable’s resolution and dynamic range.
• Product Dimensions – Approx. 450 mm (W) × 360 mm (D) × 200 mm (H), requiring a stable, high-mass support surface for optimal isolation and mechanical performance.
• Product Weight – Total system mass is roughly 30–35 kg depending on configuration, providing exceptional resonance control and improving low-frequency articulation and overall sonic authority.
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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.