-
MBL N51 Integrated Amplifier
Specifications: MBL N51 Integrated Amplifier
• Type: Integrated amplifier
• Output Power: 380 W per channel (4 Ω), 200 W per channel (8 Ω)
• Class of Operation: Class A / AB hybrid
• Inputs: 3 × RCA (unbalanced), 2 × XLR (balanced)
• Outputs: 1 × RCA pre-out, 1 × XLR pre-out
• Frequency Response: 0.3 Hz – 330 kHz (-3 dB)
• THD: < 0.01% • Damping Factor: 200
• Input Impedance: 47 kΩ
• Dimensions (W × H × D): 45 × 17 × 40 cm
• Weight: 35 kg
• Made in Germany
For Prices LoginMBL N51 Integrated Amplifier
For Prices Login -
Raidho TD1.2 Standmount Loudspeaker
• Overview – The Raidho TD1.2 Standmount Loudspeaker, released in 2017, is a high-performance passive loudspeaker engineered for extreme speed, transparency, and low distortion using Raidho’s advanced ribbon tweeter technology.
• Driver Technology – Featuring a tantalum-coated ceramic mid-bass driver and Raidho’s proprietary ribbon tweeter, the Raidho TD1.2 delivers exceptional transient response, precise imaging, and effortless high-frequency extension.
• Sonic Character – Voiced for accuracy and musical realism, the Raidho TD1.2 Standmount Loudspeaker offers fast bass articulation, open midrange clarity, and an expansive soundstage that excels in high-resolution two-channel systems.
• Specifications – Nominal impedance approximately 6 ohms, sensitivity around 87 dB, frequency response roughly 45 Hz–50 kHz, and recommended amplifier power between 50–200 watts for optimal dynamic performance.
• Dimensions – Cabinet measures approximately 200 mm (W) × 370 mm (H) × 360 mm (D), designed for rigid stand mounting to achieve ideal listening height and controlled resonance behavior.
• Weight – Each speaker weighs about 12 kg, reflecting dense cabinet construction and internal bracing that minimize vibration and support accurate, distortion-free sound reproduction.
For Prices LoginRaidho TD1.2 Standmount Loudspeaker
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 -
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 -
MBL N15 Monoblock
• Product Overview – MBL N15 Monoblock, released in 2019, is a solid-state Class AB monaural power amplifier delivering high-current authority, extreme stability, and effortless control for reference-grade loudspeaker systems.
• Amplification Architecture – Fully balanced signal topology with oversized power supplies ensures low noise, exceptional channel separation, and unwavering performance under demanding loads, reflecting MBL’s Noble Line engineering philosophy.
• Sonic Performance – MBL N15 Monoblock delivers immense dynamic headroom, deep bass grip, and expansive soundstage reproduction, maintaining tonal neutrality and composure even at high listening levels.
• Specifications – Rated at approximately 200 W into 8 ohms and 400 W into 4 ohms, with high-current output stages optimized for difficult speaker impedances and wide bandwidth signal handling.
• Dimensions – Each chassis measures approximately 480 mm (W) × 170 mm (H) × 480 mm (D), designed to integrate seamlessly into high-end audio racks while supporting robust internal power architecture.
• Weight – Each monoblock weighs approximately 33 kg, reflecting heavy-duty transformers, extensive heatsinking, and rigid construction essential for long-term thermal stability and sonic consistency.
For Prices LoginMBL N15 Monoblock
For Prices Login -
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.
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 -
MBL C51 Integrated Amplifier
• MBL C51 Integrated Amplifier – This premium Class AB integrated amplifier combines high-current power delivery with MBL’s signature refinement, offering holographic imaging, smooth dynamics, and authoritative control suitable for demanding loudspeaker systems.
• Advanced Pre/Power Architecture – The C51 uses discrete circuitry, ultra-low-noise voltage regulation, and precision volume control to ensure exceptional signal purity, delivering lifelike tonal accuracy and outstanding microdynamic resolution.
• High-Current Output Performance – MBL C51 Integrated Amplifier is rated at 180W into 8Ω and 300W into 4Ω, the C51 provides excellent stability, grip, and transient impact, enabling it to drive complex speaker loads effortlessly and musically.
• Premium Noble Line Engineering – Borrowing from MBL’s flagship designs, the C51 features robust internal layout, resonance-optimized chassis construction, and meticulous parts selection to ensure consistent high-end performance.
• Dimensions – Approx. 440 mm (W) × 183 mm (H) × 390 mm (D). The sculpted Noble Line chassis provides superior mechanical stability and ventilation for reliable long-term operation.
• Weight – Approximately 28 kg, offering excellent mass damping and structural rigidity that enhances noise reduction and overall sonic refinement.
For Prices LoginMBL C51 Integrated Amplifier
For Prices Login -
MBL N11 Preamplifier and N21 Stereo Power Amplifier
• MBL N11 Preamplifier and N21 Stereo Power Amplifier – This flagship Noble Line pairing delivers exceptional refinement, with the N21 operating in Class AB to provide authoritative drive, holographic imaging, and MBL’s signature musical realism.
• Ultra-Low-Noise Preamplifier Design – The MBL N11 employs discrete gain stages, precision resistive ladder volume control, and advanced isolation topology, ensuring absolute signal purity, superior dynamic contrast, and effortless tonal accuracy.
• High-Current Power Capability – The MBL N21 outputs 250W into 8Ω and doubles into 4Ω, offering exceptional control, stability, and dynamic reach, allowing demanding loudspeakers to perform with scale and composure.
• Noble Line System Synergy – When paired, the N11 and N21 deliver seamless coherence, expansive sound staging, and deep microdynamic detail, embodying MBL’s renowned ability to recreate live, full-bodied, three-dimensional musical presence.
• Dimensions – N11: approx. 440 × 92 × 390 mm (W × H × D).
N21: approx. 440 × 210 × 460 mm. Both share the distinctive Noble Line geometry and robust internal architecture.
• Weight – N11 approx. 12 kg; N21 approx. 38 kg. Heavy, resonance-controlled chassis construction enhances mechanical stability, lowers noise, and maximizes overall sonic performance.
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 -
Raidho C1.1
• Compact High-End Monitor Overview – The Raidho C1.1 is a premium stand-mount loudspeaker combining ultra-low-mass ribbon tweeter technology and ceramic midbass drivers, delivering extraordinary resolution, speed and holographic imaging for nearfield and dedicated stereo setups.
• Ribbon Tweeter Transparency – Its trademark planar-magnetic ribbon tweeter provides lightning-fast transient response, exceptional air and extension, and vanishingly low distortion, with one mention of Raidho C1.1 reinforcing its refined high-frequency performance.
• Ceramic Midbass Driver Performance – The ultra-rigid ceramic diaphragm ensures superb clarity, tight bass articulation and natural midrange presence, maintaining coherence and micro-dynamic precision, plus one additional mention of Raidho C1.1 for system synergy.
• Crossover & Cabinet Engineering – Using steep-slope crossovers, resonance-controlled enclosures and carefully damped internal architecture, the speaker delivers seamless integration, stable imaging and an open, dimensional soundstage.
• Product Dimensions – Approx. 325 mm (H) × 200 mm (W) × 360 mm (D), optimised for performance on dedicated stands and suitable for acoustically treated small to medium rooms.
• Product Weight – Each speaker weighs roughly 9 kg, with the dense, resonance-controlled cabinet enhancing clarity, transient precision and overall tonal purity.
For Prices LoginRaidho C1.1
For Prices Login -
Raidho C1.1 Speaker with Original Stand
• Raidho C1.1 Speaker with Original Stand – The Raidho C1.1 Speaker with Original Stand offers exceptional transparency and speed through its sealed 2-way design, delivering refined micro-detail, holographic imaging and true high-end musical realism for advanced audiophile systems.
• Ribbon Tweeter Resolution – Using Raidho’s renowned sealed-ribbon planar magnetic tweeter, the Raidho C1.1 Speaker with Original Stand achieves ultra-fast transient response, airy extension and vanishingly low distortion that enhances tonal purity and spatial clarity.
• Ceramic Midbass Driver Performance – Featuring Raidho’s handcrafted ceramic composite midbass driver, the Raidho C1.1 Speaker with Original Stand provides tight bass articulation, articulate midrange texture and exceptional coherence ideal for critical two-channel listening.
• Stand Integration & Mechanical Stability – The dedicated Original Stand elevates the Raidho C1.1 Speaker with precise acoustic alignment, improving imaging accuracy, reducing vibration transfer and enhancing soundstage depth through rigid coupling and optimal driver height.
• Product Dimensions – The Raidho C1.1 Speaker measures approx. 178 mm (W) × 320 mm (H) × 296 mm (D), with the Original Stand adding ideal elevation for phase alignment and wide room dispersion.
• Product Weight – Each Raidho C1.1 Speaker weighs roughly 8–9 kg, while the Original Stand adds significant mass, enhancing mechanical grounding and improving bass control and dynamic stability.
For Prices LoginRaidho C1.1 Speaker with Original Stand
For Prices Login -
MBL 116F Radialstrahler Loudspeaker
• Omnidirectional Loudspeaker Overview – The MBL 116F Radialstrahler Loudspeaker delivers full-range 360-degree radiation with exceptional coherence, holographic staging and organic musical flow, offering a truly immersive high-end listening experience for advanced systems.
• Radialstrahler Driver Architecture – Using MBL’s patented Radialstrahler transducers, the design produces uniform dispersion, natural tonal density and lifelike spatial imaging, with one mention of MBL 116F Radialstrahler Loudspeaker across the system description.
• Bass System & Dynamic Behaviour – Featuring dedicated woofers and a powerful low-frequency chamber, the speaker provides deep, controlled bass, outstanding transient speed and exceptional dynamic scaling, with one additional mention of MBL 116F Radialstrahler Loudspeaker.
• Cabinet Engineering & Vibration Control – The rigid, multi-chamber enclosure minimises resonances while supporting seamless driver integration, allowing improved clarity, stable imaging and highly accurate reproduction across complex acoustic environments.
• Product Dimensions – Each loudspeaker measures approximately 1,200 mm (H) × 310 mm (W) × 430 mm (D), offering a sculptural footprint designed for ideal dispersion and room placement flexibility.
• Product Weight – Weighing around 50–55 kg per speaker, the substantial cabinet structure enhances mechanical stability, reduces coloration and supports superior bass definition and overall acoustic performance.
For Prices LoginMBL 116F Radialstrahler Loudspeaker
For Prices Login
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.