-
TAD Evolution One TX
• Product Overview – The TAD Evolution One TX (2016) is a high-end floorstanding loudspeaker engineered in Japan, combining studio-grade accuracy with refined musicality for reference-level two-channel listening environments.
• Driver Technology – Utilizing TAD’s Coherent Source Transducer with beryllium tweeter and midrange diaphragm, the TAD Evolution One TX delivers exceptional phase coherence, pinpoint imaging, and ultra-low distortion across the audible spectrum.
• Cabinet & Voicing – A rigid, low-resonance enclosure with curved side panels minimizes standing waves, allowing the speaker to produce deep, controlled bass while preserving tonal neutrality and dynamic realism at high playback levels.
• Specifications – Nominal impedance 4 ohms, sensitivity approximately 90 dB, frequency response around 28 Hz–60 kHz, recommended amplifier power 50–300 W, optimized for high-current solid-state or quality tube amplification.
• Dimensions – Each speaker measures approximately 400 mm wide × 1,154 mm high × 530 mm deep, designed as a full-scale reference floorstander suitable for medium to large dedicated listening rooms.
• Weight – Each unit weighs roughly 95 kg, reflecting extensive internal bracing and premium materials that contribute to mechanical stability, resonance control, and consistent acoustic performance.
For Prices LoginTAD Evolution One TX
For Prices Login -
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.
For Prices LoginKrell KAV-300I Integrated Amplifier
For Prices Login -
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.
For Prices LoginKrell KSA200S Amplifier
For Prices Login -
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.
For Prices LoginFostex FE208
For Prices Login -
TAD Compact Reference CR1
• Overview – TAD Compact Reference CR1, released in 2011, is a high-end standmount loudspeaker engineered to deliver reference-level neutrality, precision imaging, and studio-grade accuracy derived from TAD’s professional monitor heritage.
• Driver Technology – Featuring TAD’s proprietary concentric CST driver with beryllium tweeter and magnesium midrange, it achieves point-source coherence, exceptional phase alignment, and ultra-low distortion across the audible frequency range.
• Sonic Performance – TAD Compact Reference CR1 is celebrated for its transparency, holographic soundstage, and tonal realism, excelling with acoustic, orchestral, and complex recordings where timing and micro-detail are critical.
• Specifications – Two-way bass-reflex design, nominal 4-ohm impedance, sensitivity approx. 87 dB, frequency response roughly 45 Hz–100 kHz, rear-firing port, and high-quality crossover components optimized for minimal signal loss.
• Dimensions – Approx. 410 mm (H) × 250 mm (W) × 360 mm (D), offering a substantial standmount form factor designed for rigid placement on dedicated speaker stands in reference listening environments.
• Weight – Approximately 18 kg per speaker, reflecting dense cabinet construction, internal bracing, and premium driver assemblies required for resonance control and uncompromised acoustic performance.
For Prices LoginTAD Compact Reference CR1
For Prices Login -
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.
For Prices LoginKrell FPB MC250 Monoblock
For Prices Login -
NBS Omega IV Speaker Cable (2.8m)
• Product Overview – NBS Omega IV Speaker Cable, released in the early 2010s, is a flagship reference speaker cable designed to maximize signal purity, dynamic realism, and tonal density in ultra-high-end audio systems.
• Conductor & Dielectric Design – Utilizing NBS’s proprietary rectangular solid-core conductors and advanced dielectric materials, the cable minimizes skin effect, phase distortion, and energy storage for superior coherence and musical flow.
• Sonic Performance – NBS Omega IV Speaker Cable delivers exceptional soundstage scale, explosive dynamics, and profound low-frequency authority while preserving microdetail, harmonic richness, and natural timbre across complex recordings.
• Specifications – Ultra-low resistance and inductance geometry, heavy-gauge multi-conductor architecture, high-current capability, and precision-terminated spades or bananas optimized for reference amplifiers and full-range loudspeakers.
• Dimensions – Available in various custom lengths, typically supplied in 2.0–3.0 meter stereo pairs, with substantial cable diameter reflecting its complex internal conductor and shielding structure.
• Weight – Approximately 4–5 kg per stereo pair depending on length, indicating massive conductor mass, dense dielectric layering, and mechanically damped outer jackets.
For Prices LoginNBS Omega IV Speaker Cable (2.8m)
For Prices Login -
Quad 303 Power Amplifier and Quad 33 Preamplifier
Iconic Stereo Amplifier System – The Quad 303 and Quad 33 form a legendary solid-state power amplifier and control unit pairing. The Quad 303 is a classic, reliable power amplifier designed to deliver the famous Quad sound with authority and precision.
The Renowned “Quad Sound” – Experience the unique, fatigue-free musicality that made this system famous. Characterized by its exceptional clarity, natural tonal balance, and effortless delivery, it provides a listening experience that is both engaging and timeless.
Fully Serviced and Authentic – This matched pair has been professionally serviced to original factory specifications, ensuring optimal performance and reliability. You receive the authentic, iconic experience as intended by Quad’s pioneering engineers.
Versatile Control Unit – The Quad 33 preamplifier features comprehensive inputs, including a high-quality moving magnet phono stage for your turntable. Its flexible filtering and tone controls allow you to tailor the sound perfectly to your room and taste.
Classic Compact Dimensions – The Quad 303 power amplifier measures a compact 267mm wide, 133mm high, and 206mm deep. The matching Quad 33 control unit shares a similar elegant, minimalist footprint designed for a refined hi-fi rack setup.
Substantial Build Quality – The robustly built Quad 303 amplifier weighs 8.2 kg (18.1 lbs), reflecting its high-quality internal components and chassis. The Quad 33 control unit adds a further 3.4 kg (7.5 lbs), denoting its solid construction.
For Prices Login -
Quad Elite Pre & QSP Power Amplifier
• Pre & Power Synergy – The Quad Elite Pre & QSP Power Amplifier system, released in 2011, delivers refined Class AB solid-state amplification with Quad’s hallmark neutrality, smoothness, and precise musical articulation across all genres.
• Elite Pre Transparency – The Elite Pre offers exceptionally low noise, wide bandwidth, and high input flexibility, ensuring clean signal handling and seamless integration with both analog and digital source components in modern hi-fi setups.
• QSP Current Dumping Power – The QSP features Quad’s updated Current Dumping topology, providing stable high current, excellent load tolerance, and natural, low-distortion dynamics, making it ideal for both bookshelf and floorstanding speakers.
• Musical Refinement – Together, the Quad Elite Pre & QSP Power Amplifier deliver holographic imaging, smooth midrange texture, and fast, controlled bass, offering a compelling upgrade path for audiophiles seeking classic Quad musicality.
• Dimensions – Elite Pre: approx. 321 × 70 × 310 mm. QSP: approx. 321 × 140 × 310 mm. Compact, rack-friendly sizing ensures simple placement in modern audio systems.
• Weight – Elite Pre around 5 kg; QSP approx. 11 kg. The solid chassis and robust transformer design enhance mechanical damping and improve long-term performance stability.
For Prices LoginQuad Elite Pre & QSP Power Amplifier
For Prices Login -
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.
For Prices Login -
Quad 22L
• Quad 22L – A refined floorstanding loudspeaker known for its smooth tonal balance, articulate midrange, and engaging musicality, designed to deliver a natural, non-fatiguing presentation across diverse listening rooms.
• Dual-Driver Precision – Utilises a dedicated soft-dome tweeter and twin Kevlar mid/bass drivers, providing excellent clarity, controlled dispersion, and enhanced coherence for both vocal accuracy and full-range musical reproduction.
• Room-Friendly Design – Rear-ported enclosure enables flexible placement while maintaining solid low-frequency extension and rhythmic control, making it suitable for medium to large listening environments.
• Timeless Build Quality – High-quality cabinet construction with beautifully lacquered finishes offers reduced resonance, strong structural rigidity, and an elegant aesthetic aligned with Quad’s British engineering philosophy.
• Dimensions – Stands approximately 872 mm (H) × 203 mm (W) × 280 mm (D), optimised for stable floor placement and proper driver height relative to seated listening position.
• Weight – Each speaker weighs around 18 kg, providing the necessary mass for reduced cabinet vibrations and improved acoustic performance.
For Prices Login -
Quad Elite Pre and QSP Amplifier
• Quad Elite Pre and QSP Amplifier – This solid-state Class AB pre–power combination delivers Quad’s signature natural clarity, refined musicality, and stable current delivery, offering an exceptional upgrade path for serious two-channel listeners.
• Precision Preamp Architecture – The Quad Elite Pre features low-noise gain stages, high-quality input switching, and tone-defeat options, ensuring clean signal handling and excellent transparency while maintaining Quad’s smooth, balanced sonic signature.
• High-Current Power Delivery – The QSP power amplifier provides 140W into 8Ω with Quad’s patented “Current Dumping” technology, offering exceptional grip, low distortion, and robust dynamics across demanding loudspeaker loads.
• System Synergy & Control – Together, the Quad Elite Pre and QSP Amplifier create a cohesive, full-bodied presentation with deep imaging, stable soundstaging, and reliable operation, ideal for music lovers seeking performance and long-term stability.
• Dimensions – Elite Pre: approx. 321 mm (W) × 310 mm (D) × 70 mm (H).
QSP: approx. 321 mm (W) × 310 mm (D) × 140 mm. Compact footprint for easy rack placement.
• Weight – Elite Pre approx. 4.5 kg; QSP approx. 12 kg. Solid chassis design minimizes vibration, enhancing component longevity and maintaining consistent audio performance.
For Prices LoginQuad Elite Pre and QSP Amplifier
For Prices Login -
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.
For Prices LoginKrell KSA-300S Stereo Amplifier
For Prices Login
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.