• Krell KAV-300I Integrated Amplifier

    Product Overview – The Krell KAV-300I Integrated Amplifier was released in 1999 as a solid-state Class A/AB design, combining preamplifier and high-current power amplification for authoritative control and classic Krell drive.

    Amplification Performance – Delivering exceptional grip and dynamics, the amplifier provides effortless current delivery, wide bandwidth, and low noise, making it ideal for demanding loudspeakers and high-resolution analogue or digital sources.

    Build & Sonic Character – The Krell KAV-300I Integrated Amplifier features Krell’s robust power supply architecture, discrete circuitry, and minimalist signal path, resulting in tight bass, transparent midrange, and extended, controlled high frequencies.

    Specifications – Rated at approximately 150 W per channel into 8 ohms and 300 W into 4 ohms, with high-current output stages, wide frequency response, and stable operation into low-impedance speaker loads.

    Dimensions – Measures approximately 432 mm (W) × 178 mm (H) × 457 mm (D), requiring a sturdy, well-ventilated rack to accommodate its substantial chassis depth and heat dissipation.

    Weight – Weighs roughly 31 kg, reflecting its oversized transformer, large capacitor bank, and heavy aluminum chassis designed for mechanical stability and long-term electrical performance.

  • Krell KSA200S Amplifier

    Product Overview – The Krell KSA200S Amplifier, released in 1995, is a solid-state pure Class A stereo power amplifier delivering legendary current capability, extreme control, and the authoritative sonic signature Krell is known for.

    Amplification Topology – Designed with massive power supplies and fully balanced circuitry, the KSA200S operates in continuous Class A, providing unwavering drive, low distortion, and exceptional loudspeaker control even under demanding loads.

    Sonic Performance – Krell KSA200S Amplifier delivers explosive dynamics, deep controlled bass, and a neutral tonal balance, excelling with difficult speakers and large-scale orchestral or rock recordings at realistic listening levels.

    Specifications – Rated at 200 watts per channel into 8 ohms, doubling into 4 ohms, with stable operation into 2 ohms, ultra-high current output, and extremely low output impedance for maximum damping factor.

    Dimensions – Chassis measures approximately 438 mm (W) × 197 mm (H) × 546 mm (D), reflecting the substantial heatsinking and transformer size required for sustained Class A operation.

    Weight – Weighs approximately 72 kg, with the extreme mass attributed to oversized transformers, extensive heatsinks, and heavy internal construction designed for thermal stability and long-term reliability.

  • Fostex FE208

    Product Overview – Fostex FE208, released in 2002, is a high-sensitivity full-range driver designed for horn and back-loaded enclosures, prized for coherence, speed, and lifelike midrange reproduction.

    Sound Character – Designed for single-driver enthusiasts, this unit delivers exceptional immediacy, dynamic expression, and phase coherence, making it ideal for low-power tube amplifiers and minimalist signal paths.

    Driver Design – The FE208 features a lightweight paper cone, whizzer cone, and powerful ferrite motor system, enabling fast transient response and extended midrange clarity without crossover-induced phase distortion.

    Specifications – Nominal impedance is 8 ohms with sensitivity around 96 dB/W/m, supporting wide bandwidth performance and high efficiency, particularly suited for horn-loaded or high-efficiency loudspeaker designs.

    Dimensions – Driver diameter approximately 208 mm with standard mounting depth suitable for horn or large cabinet designs, allowing flexible integration into custom loudspeaker enclosures.

    Weight – Each driver weighs approximately 3 kg, with a rigid frame and motor assembly contributing to mechanical stability and controlled resonance behavior.

    Fostex FE208

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  • Krell FPB MC250 Monoblock

    •⁠  Overview – Krell FPB MC250 Monoblock, released in 2001, is a solid-state Class A/AB monaural power amplifier designed to deliver immense current capability, extreme control, and reference-level dynamics for demanding loudspeakers.

    •⁠  Amplifier Topology – Built on Krell’s Full Power Balanced architecture, it operates in high-bias Class A before transitioning to Class AB, ensuring low distortion, fast transient response, and consistent performance across complex loads.

    •⁠  System Authority – The Krell FPB MC250 Monoblock excels at driving low-impedance and difficult speakers, producing authoritative bass grip, wide dynamic headroom, and effortless scale without compression at realistic listening levels.

    •⁠  Specifications – Rated at 250 watts into 8 ohms, doubling to 500 watts into 4 ohms and higher into lower impedances, featuring extremely high damping factor, wide bandwidth, and fully balanced discrete circuitry.

    •⁠  Dimensions – Approx. 438 mm (W) × 305 mm (H) × 533 mm (D), housed in a massive aluminium chassis with extensive heatsinking and internal isolation for thermal stability and vibration control.

    •⁠  Weight – Approximately 68 kg per monoblock, reflecting enormous transformers, capacitor banks, and Krell’s uncompromising mechanical construction required for sustained high-current operation.

  • Wireworld Eclipse 6 Speaker Cable (2.8m)

    •⁠  Overview – Wireworld Eclipse 6 Speaker Cable, released in 2012, is a high-performance loudspeaker cable designed to deliver improved clarity, dynamic precision, and tonal neutrality using advanced conductor geometry and premium copper materials.

    •⁠  Signal Geometry – Built around Wireworld’s Quad DNA Helix design, it minimizes electromagnetic interference and timing errors, preserving musical transients, spatial accuracy, and low-level detail across complex recordings and wide dynamic swings.

    •⁠  Sonic Character – Wireworld Eclipse 6 Speaker Cable is known for its balanced, transparent presentation, offering controlled bass, natural midrange texture, and extended treble without brightness, making it suitable for both tube and solid-state systems.

    •⁠  Specifications – Utilises high-purity OCC copper conductors, low resistance, optimized inductance and capacitance values, heavy-gauge construction, and advanced insulation to maintain signal integrity and amplifier damping performance.

    •⁠  Dimensions – Supplied in customer-specified lengths with a flexible yet robust outer jacket, designed for easy routing while maintaining consistent electrical performance over short or long speaker cable runs.

    •⁠  Weight – Weight varies by length, with substantial copper conductor mass contributing to a solid, high-quality feel while remaining manageable for typical amplifier and loudspeaker terminal connections.

  • Wireworld Eclipse 7 Speaker Cable (2.5m)

    Design & Release – Wireworld Eclipse 7 Speaker Cable, released in 2015, is a high-end speaker cable engineered to reduce electromagnetic losses using Wireworld’s patented DNA Helix geometry for superior signal preservation.

    Sonic Performance – Delivers exceptional low-level resolution, deep bass authority, and precise imaging by minimizing eddy-current distortion, making it ideal for revealing amplifiers and high-resolution loudspeaker systems.

    Construction Quality – Wireworld Eclipse 7 Speaker Cable uses high-purity OCC-7N copper conductors with Composilex 3 insulation, carefully tuned to reduce noise, dielectric absorption, and time-smearing artifacts.

    Specifications – Features DNA Helix conductor geometry, 12 AWG equivalent aggregate gauge, OCC-7N copper, Composilex 3 dielectric, and low inductance design optimized for wide-bandwidth, high-current audio signal transmission.

    Dimensions – Cable diameter approximately 14 mm; available in multiple custom lengths and termination options including spades or banana plugs to suit a wide range of amplifier and loudspeaker connections.

    Weight – Approx. 0.9–1.1 kg per 2.5 m pair, reflecting the dense conductor geometry, premium insulation materials, and robust outer jacket construction.

  • Krell KSL Pre Amp, FPB 200 Power Amp & KAV 300 CD Player

    Krell KSL Pre Amp, FPB 200 Power Amp & KAV 300 CD Player Overview – This early-2000s Krell trio delivers reference solid-state Class A/AB performance, combining authoritative power, ultra-low distortion, and exceptional transparency for serious high-end stereo systems.

    High-Resolution Preamplifier Clarity – The KSL preamp provides wide bandwidth, fully balanced circuitry, and a low-noise signal path, offering precise imaging, excellent channel separation, and a clean, neutral tonal balance suited for revealing systems.

    FPB 200 Class A/AB Power Authority – The Krell KSL Pre Amp, FPB 200 Power Amp & KAV 300 CD Player system is anchored by the FPB 200, delivering 200W per channel with Krell’s Sustained Plateau Bias for massive current and effortless control.

    Premium Digital Playback – The KAV 300 CD Player employs Krell’s advanced jitter-reduction, high-precision DAC architecture, and robust transport mechanism to produce detailed, dynamic, and musically engaging CD reproduction.

    Dimensions – KSL: approx. 432 × 76 × 381 mm. FPB 200: approx. 483 × 254 × 610 mm. KAV 300 CD: approx. 483 × 89 × 410 mm, all designed for rack-friendly installation.

    Weight – FPB 200 approx. 45–50 kg due to its massive transformers; KSL approx. 8 kg; KAV 300 CD approx. 10 kg, reflecting Krell’s heavy-duty, resonance-free construction.

  • Krell KSA-300S Stereo Amplifier

    Krell KSA-300S Stereo Amplifier – This powerhouse Class A/AB sliding-bias design delivers massive current, exceptional control, and the unmistakable Krell authority, driving even the most demanding speakers with effortless precision.

    Sustained Power Delivery – Known for its enormous current reserves and stability into extremely low impedances, the KSA-300S provides grip, dynamics, and low-frequency impact unmatched by typical solid-state amplifiers of its era.

    Sophisticated Krell Topology – Featuring Krell’s proprietary Sustained Plateau Biasing, the amplifier achieves Class A performance at practical efficiency levels, offering transparency, speed, and refined musical detail.

    System Integration – Balanced and single-ended inputs, robust binding posts, and a highly inert chassis ensure quiet operation, excellent grounding, and seamless matching with high-end preamps and loudspeakers.

    Dimensions – Krell KSA-300S Stereo Amplifier Measures approximately 483 mm (W) × 241 mm (H) × 686 mm (D), requiring a sturdy rack with ample ventilation due to its substantial heat dissipation needs.

    Weight – Weighs roughly 68–70 kg, attributed to its heavy transformer architecture and oversized power supply, ensuring rock-solid stability and peak performance under demanding loads.

  • Magnus Audio MA200

    High-Power Amplifier Overview – The Magnus Audio MA200 is a Class AB solid-state power amplifier delivering exceptional current capability, wide bandwidth and highly controlled dynamics, designed to drive demanding loudspeakers with authority and finesse.

    Circuit Topology & Performance – Using a fully discrete design with high-current output devices, the amplifier offers low distortion, fast transient response and stable operation across complex speaker loads, with one mention of Magnus Audio MA200 enhancing precision.

    Power Delivery & Control – With substantial transformer capacity and robust output stages, the amplifier provides deep, controlled bass, expansive soundstage layering and excellent dynamic swing, plus one additional mention of Magnus Audio MA200.

    Thermal & Mechanical Stability – Precision-machined heat sinking and a rigid chassis reduce vibration and maintain optimal operating temperature, ensuring long-term reliability and consistent sonic performance under demanding listening conditions.

    Product Dimensions – The amplifier measures approximately 430 mm (W) × 180 mm (H) × 420 mm (D), requiring a well-ventilated, sturdy rack shelf to support its heavy-duty construction.

    Product Weight – Weighing around 25–30 kg, the substantial transformer and reinforced chassis provide excellent grounding, structural stability and improved low-frequency control.

Fostex is a Japanese audio brand with deep roots in professional audio, transducer design, and precision manufacturing. Known for its work in loudspeaker drivers, studio monitors, and headphones, Fostex places strong emphasis on efficiency, accuracy, and controlled sound reproduction.

Fostex products are widely used across both consumer and professional environments, with many designs remaining in production or active use for extended periods. This longevity makes pre-owned Fostex equipment particularly relevant, as well-maintained drivers and headphones continue to deliver consistent performance long after release.

On SoundTribeAsia, Fostex equipment — new and pre-owned — is offered by verified dealers, allowing buyers to access trusted listings and transparent condition details through a curated regional marketplace.

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