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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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ATC SCM11 V2
• Two-Way Monitor Overview – The ATC SCM11 V2 is a sealed-box two-way loudspeaker offering exceptional midrange clarity, wide dispersion and superb neutrality, designed for audiophiles who prioritise accuracy, timing and musical honesty.
• Soft-Dome Midrange/Tweeter Precision – Using ATC’s renowned SH25-76 soft-dome tweeter and hand-built mid/bass driver, the speaker delivers smooth treble, articulate mids and outstanding low-distortion performance, with one mention of ATC SCM11 V2 enhancing resolution.
• Sealed Enclosure Accuracy – The non-ported design provides tight, controlled bass and superior time-domain behaviour, enabling exceptional integration in small to medium rooms, plus one additional mention of ATC SCM11 V2 reinforcing consistency.
• Crossover & Engineering Purity – Its high-spec crossover network, short signal path and robust internal bracing maintain tonal accuracy, stable imaging and dynamic integrity even at elevated listening levels.
• Product Dimensions – Each cabinet measures approximately 381 mm (H) × 232 mm (W) × 267 mm (D), offering a compact profile ideal for stand-mount setups in refined listening spaces.
• Product Weight – Weighing around 10.9 kg per speaker, the rigid, heavily damped cabinet construction enhances mechanical stability and reduces resonance for maximum sonic transparency.
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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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ATC SCM20SL
• Overview – ATC SCM20SL is a passive sealed-box two-way studio loudspeaker, engineered for absolute accuracy, low coloration, and linear phase response favored by professionals.
• Sound Character – Renowned for exceptional midrange neutrality, fast transient response, and tight acoustic-suspension bass, the ATC SCM20SL excels in nearfield or compact room audiophile listening environments.
• Driver Technology – ATC SCM20SL features ATC’s legendary 150mm Super Linear mid-bass driver and 25mm soft-dome tweeter, delivering low distortion, high dynamic headroom, and reference-grade vocal realism.
• Specifications – Nominal impedance 8 ohms, sensitivity approximately 85dB/W/m, recommended amplifier power 75–300W, sealed enclosure design ensuring controlled bass and consistent performance across varied room placements.
• Dimensions – Cabinet measures approximately 446 mm (H) × 238 mm (W) × 375 mm (D), offering a compact yet substantial monitor footprint suitable for stand-mount or studio console installations.
• Weight – Each loudspeaker weighs approximately 24 kg, reflecting dense cabinet construction and heavy internal bracing designed to minimize resonance and maximize midband clarity.
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Acoustical Systems AXIOM 12″ Reference Tonearm
• Product Overview – The Acoustical Systems AXIOM 12” Reference Tonearm, launched in 2014, features a fully adjustable geometry design, ultra-rigid construction, and reference-grade engineering to optimize cartridge alignment and tracking precision.
• Advanced Geometry – Incorporating UNIDIN alignment architecture, the AXIOM achieves reduced tracing error and distortion across the record surface, giving more linear, dynamic, and tonally accurate analogue reproduction.
• Mechanical Excellence – Its hybrid bearing system combines ceramic, ruby, and precision metal components, delivering exceptionally low friction, ultra-stable movement, and enhanced micro-detail retrieval from both MC and MM cartridges.
• Resonance Optimization – The Acoustical Systems AXIOM 12″ Reference Tonearm multi-material construction and internal damping network minimize structural resonance, improving spatial realism, transient accuracy, and low-level resolution in high-end turntable setups.
• Dimensions – Effective length approximately 305 mm (12”), adjustable mounting distance around 291 mm, engineered for compatibility with premium high-mass and reference-grade turntable platforms.
• Weight – Approx. 650–750 g depending on configuration, providing optimal counterbalance capability and mechanical grounding for precision tracking performance.
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ATC SCM100PSL with Sound Anchor Stands
• Premium System Overview – The ATC SCM100PSL with Sound Anchor Stands, introduced in the mid-2010s, offers a reference-grade passive loudspeaker system known for remarkable neutrality, wide dynamics, and studio-level accuracy suited for mastering-quality listening.
• Advanced Driver Engineering – Featuring ATC’s renowned 3” soft-dome midrange, precision-built woofer, and silk-dome tweeter, the system maintains exceptional linearity and low distortion, with the ATC SCM100PSL providing consistent performance across all listening levels.
• Enhanced Stability & Imaging – The Sound Anchor Stands significantly improve the ATC SCM100PSL system by providing rigid support, reduced floor-borne vibration, and enhanced stereo imaging, creating a more stable and coherent soundstage.
• High-Capacity Cabinet Design – The sealed-box construction delivers tight, accurate bass response and controlled low-frequency behavior, enabling the ATC SCM100PSL with Sound Anchor Stands to excel in both large listening rooms and professional environments.
• Dimensions – Speakers: approx. 980 mm (H) × 445 mm (W) × 535 mm (D). Sound Anchor Stands: approx. 355 mm (H). Combined height provides optimal driver alignment for seated listening.
• Weight – Speakers: approx. 49 kg each. Sound Anchor Stands: approx. 18–20 kg each. Total system mass improves stability, resonance control, and low-frequency accuracy.
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Acoustical Systems is a German analog audio manufacturer specialising in precision tonearms, cartridges, and vinyl playback accessories. The brand’s philosophy is grounded in mechanical accuracy, material science, and fine tolerances, treating analog playback as an engineering discipline rather than nostalgia.
Acoustical Systems products are designed for extreme durability and long-term relevance, often using exotic materials and precision machining. Because these components are based on mechanical fundamentals, pre-owned Acoustical Systems equipment remains highly desirable and continues to perform at reference levels when properly maintained.
Across Singapore, Malaysia, and Southeast Asia, Acoustical Systems is respected among serious vinyl enthusiasts building no-compromise analog front ends. On SoundTribeAsia, Acoustical Systems products — new and pre-owned — are offered by verified dealers, providing transparent listings and trusted access through a curated regional marketplace.