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JBL 4635
• Overview – The JBL 4635 is a professional cinema subwoofer system engineered for high-output low-frequency reinforcement, utilizing dual 15-inch drivers in a large vented enclosure for powerful theatre-grade bass performance.
• Cinema Heritage – Designed for professional cinema installations, the JBL 4635 delivers deep, room-filling bass with exceptional dynamic capability, making it a legendary choice for large listening spaces and vintage high-efficiency systems.
• High-Output Performance – The JBL 4635 is capable of substantial acoustic output and extended low-frequency reproduction, providing impactful bass response that complements high-efficiency horn or large-format loudspeaker systems.
• Specifications – Dual 15-inch low-frequency drivers (typically JBL 2225H or 2226H depending on configuration), bass reflex enclosure, 4-ohm nominal impedance, frequency response approximately 30Hz–500Hz, high power handling exceeding 600W continuous.
• Dimensions – Approximately 1219 mm (H) × 762 mm (W) × 610 mm (D), reflecting its large cinema-grade enclosure designed for high acoustic efficiency and powerful low-frequency projection.
• Weight – Approximately 85–95 kg depending on driver configuration, constructed with heavy-duty cabinetry and professional drivers intended for demanding theatre and large venue applications.
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Fidelity Research FR-64S Tonearm
• Product Overview – Fidelity Research FR-64S Tonearm, released in the late 1970s, is a high-mass Japanese precision tonearm engineered for low-compliance moving-coil cartridges, prized for authority, stability, and classic analog performance.
• High-Mass Engineering – The stainless-steel arm tube and robust bearing assembly provide exceptional rigidity and resonance control, enabling confident tracking, powerful bass reproduction, and tonal weight favored by serious vinyl collectors.
• Analog Playback Character – Renowned for its authoritative, organic presentation, the Fidelity Research FR-64S Tonearm delivers expansive soundstage scale, solid imaging, and a natural midrange, especially when paired with classic MC cartridges.
• Specifications – Effective length approximately 244 mm, effective mass around 30 g, static balance design, detachable headshell interface, and adjustable tracking force and anti-skate optimized for low-compliance cartridges.
• Dimensions – Mounting distance approximately 230 mm, with substantial base assembly designed to accommodate heavy platters and rigid plinths commonly used in high-mass turntable designs.
• Weight – Approximate total mass of 1.6 kg including base and headshell, contributing to excellent mechanical damping, reduced vibration, and consistent groove tracing under demanding playback conditions.
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Siltech Ruby Mountain 2 Power Cable (1.5m)
• Overview – Siltech Ruby Mountain 2 Power Cable, released in 2002, is a high-end power cord engineered to reduce noise, improve current delivery, and enhance musical clarity in reference audio systems.
• Conductor Technology – Utilises Siltech’s proprietary G7 silver-gold alloy conductors with advanced dielectric insulation, delivering low resistance, excellent conductivity, and superior preservation of micro-dynamics and tonal purity.
• Sonic Performance – Siltech Ruby Mountain 2 Power Cable delivers a quieter noise floor, improved bass authority, enhanced midrange texture, and refined treble extension, benefiting amplifiers, source components, and digital front ends.
• Specifications – Features multi-strand G7 silver-gold conductors, heavy shielding for EMI and RFI rejection, high-current capability up to 16A, and premium connectors ensuring secure contact and consistent power transfer.
• Dimensions – Typically supplied in 2.0 m length, with a thick, flexible jacket designed for durability and ease of routing in high-end audio racks and power distribution setups.
• Weight – Approximately 1.0 kg for a 2.0 m cable, reflecting dense conductor geometry, advanced shielding layers, and robust connector construction.
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JBL Synthesis Project Array 1400
• High-Performance Overview – The JBL Synthesis Project Array 1400, launched around 2007, is a flagship floorstanding loudspeaker using a Bi-Radial horn and powerful low-frequency system to deliver dynamic, room-filling cinema-grade sound.
• Horn-Loaded Precision – The JBL Synthesis Project Array 1400 features a titanium compression driver and advanced horn geometry, providing exceptional clarity, wide dispersion, and precise imaging ideal for both music and home-theater environments.
• Deep, Controlled Bass – A massive 14-inch Neodymium woofer delivers authoritative low frequencies with excellent transient response, enabling the Project Array 1400 to handle demanding low-end material while maintaining accuracy and control.
• Ultra-High Output Capability – With high sensitivity and robust driver construction, the JBL Synthesis Project Array 1400 achieves reference-level dynamics, low distortion, and impactful realism even at elevated listening levels.
• Dimensions – Approx. 1,115 mm (H) × 508 mm (W) × 406 mm (D). Large cabinet volume supports deep bass extension and wide sound dispersion across medium to large rooms.
• Weight – Approx. 64 kg per speaker, providing exceptional mechanical stability and reducing cabinet resonance for cleaner, more accurate acoustic performance.
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JBL HP 520 Speakers
• High-Performance Design – The JBL HP 520 Speakers deliver dynamic, room-filling sound with impressive bass depth, refined midrange clarity, and excellent dispersion, making them ideal for audiophiles seeking a powerful yet balanced presentation.
• Acoustic Precision – Featuring advanced JBL driver engineering and a well-tuned cabinet, these speakers offer articulate imaging, smooth frequency response, and reliable performance across a wide range of musical genres and listening environments.
• Versatile System Matching – The JBL HP 520 Speakers pair effectively with solid-state or tube amplification, offering stable impedance behavior and strong efficiency, ensuring consistent performance across diverse hi-fi system setups.
• Robust Build Quality – Constructed with solid cabinetry and high-quality drivers, the JBL HP 520 Speakers provide durability, low resonance, and long-term performance ideal for serious home audio enthusiasts.
• Dimensions – Each speaker measures approximately 680 mm (H) × 380 mm (W) × 300 mm (D), offering a substantial footprint while remaining manageable for medium to large listening rooms.
• Weight – Each unit weighs around 18–20 kg, providing cabinet stability and reducing unwanted vibration for improved sonic accuracy.
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Fidelity Research was a pioneering Japanese analogue brand best known for its influential phono cartridges and tonearms during the golden era of vinyl playback. Revered for its low-output moving-coil designs, Fidelity Research helped shape modern cartridge engineering with a focus on speed, dynamics, and musical immediacy. Many of its classic models are still regarded as reference points for analogue performance today.
This heritage makes Fidelity Research especially significant in the pre-owned Hi-Fi market. In Singapore, Malaysia, and across Southeast Asia—where vinyl culture remains strong—pre-owned Fidelity Research cartridges and tonearms are highly sought after by experienced analogue enthusiasts and collectors. Well-preserved examples continue to deliver exceptional performance, often outperforming modern alternatives while retaining strong collector value.
On SoundTribeAsia, Fidelity Research listings are presented with an emphasis on provenance and condition transparency, allowing Southeast Asian buyers to access rare and historically important analogue components through a trusted marketplace environment.




