• Keces Ephono Phonoamp with External Power Supply

    Product Overview – Keces EPhono Phonoamp with External Power Supply, released in 2020, is a solid-state MM/MC phono preamplifier designed for low-noise vinyl playback with precision regulation and audiophile-grade circuit topology.

    Phono Stage Design – The fully discrete solid-state amplification employs ultra-low-noise components and short signal paths, delivering excellent channel balance, high transparency, and accurate RIAA equalisation for demanding analogue enthusiasts.

    External Power Supply Advantage – Separating the power supply from the audio circuitry reduces electromagnetic interference, allowing the Keces EPhono Phonoamp with External Power Supply to achieve superior noise suppression and improved dynamic contrast.

    Specifications – Supports MM and MC cartridges with selectable gain and loading, precision RIAA accuracy within ±0.3 dB, low output impedance, and wide frequency response optimised for high-resolution analogue reproduction.

    Dimensions – Compact dual-chassis design, phono stage approximately 240 mm (W) × 60 mm (H) × 180 mm (D), with matching external power supply sized for flexible placement near turntable systems.

    Weight – Combined weight approximately 3–4 kg, reflecting robust aluminium chassis construction and high-quality internal power regulation components for mechanical stability and long-term reliability.

  • Keces Ephono Phono

    •⁠  Product Overview – The Keces Ephono Phono amplifier, released in 2022, is a solid-state phono stage supporting MM and MC cartridges, engineered for ultra-low noise, tonal neutrality, and precise analogue signal amplification.

    •⁠  Low-Noise Circuit Design – Featuring fully discrete amplification stages and a linear power supply architecture, the Ephono delivers exceptional background silence, improved microdetail retrieval, and stable, distortion-free performance with high-quality turntable systems.

    •⁠  Flexible Cartridge Matching – Designed for audiophile versatility, the Keces Ephono Phono amplifier offers adjustable gain and loading options, allowing precise optimisation for a wide range of moving-magnet and moving-coil cartridges.

    •⁠  Specifications – Supports MM and MC operation, selectable gain levels around 40–65 dB, adjustable MC loading from low ohms to 1kΩ, and high signal-to-noise performance exceeding typical entry-level phono stages.

    •⁠  Dimensions – Approx. 220 mm (W) × 60 mm (H) × 250 mm (D), compact and rack-friendly, allowing easy integration into modern analogue-focused audio systems.

    •⁠  Weight – Around 3 kg, reflecting solid internal power regulation and chassis construction that enhances stability and minimizes vibration-related interference.

  • 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.

  • 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.

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.

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