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Audio Research CL60 Tube Power Amplifier
• Overview – Audio Research CL60 Tube Power Amplifier, released in 1998, is a pure Class AB tube power amplifier using vacuum-tube output stages, delivering refined harmonic richness, excellent control, and the signature Audio Research balance between power and musicality.
• Tube Power Design – Designed for demanding audiophile systems, it offers authoritative bass grip and expansive soundstaging, while preserving midrange liquidity and treble openness that tube enthusiasts value in reference two-channel setups.
• System Synergy – The Audio Research CL60 Tube Power Amplifier integrates seamlessly with both tube and solid-state preamplifiers, excelling with revealing loudspeakers and providing stable performance across varied impedance loads and musical genres.
• Specifications – Rated at 60 watts per channel into 8 ohms, uses 6550 output tubes, fully balanced topology, high-current power supply, wide bandwidth response, and substantial output transformers for low distortion and dynamic headroom.
• Dimensions – Approx. 483 mm (W) × 267 mm (H) × 432 mm (D), featuring Audio Research’s classic chassis design with ample ventilation for reliable tube operation and compatibility with standard hi-fi racks.
• Weight – Approximately 29 kg, reflecting heavy transformers, rugged internal construction, and extensive shielding essential for stable thermal performance and long-term reliability in high-power tube amplification.
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Audio Research CL60
• Audio Research CL60 Overview – The Audio Research CL60, released in the early 1990s, is a Class AB push-pull tube power amplifier using 6550 output tubes, delivering the brand’s signature clarity, control, and musical refinement.
• Refined Tube Architecture – Employing four 6550 output tubes and 6FQ7/6922 driver stages, the CL60 offers excellent harmonic balance, open midrange presence, and extended treble, ideal for detailed yet natural high-end listening.
• Dynamic and Controlled Power – The Audio Research CL60 provides approximately 60W per channel with strong current delivery, enabling it to drive a wide range of speakers while maintaining superb transient speed and low noise performance.
• Classic ARC Build Quality – Featuring robust transformers, solid chassis construction, and meticulously designed circuitry, the CL60 exemplifies Audio Research reliability, long-term tube stability, and consistent high-fidelity performance.
• Dimensions – Approx. 480 mm (W) × 135 mm (H) × 430 mm (D), offering a substantial chassis size that accommodates generous power supply architecture and proper ventilation for tube operation.
• Weight – Around 22–24 kg, reflecting its heavy power transformer and durable steel frame, contributing to enhanced mechanical damping and stable sonic performance.
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Audio Research LS3B Preamplifier and D120 Stereo Amplifier
• System Overview – The Audio Research LS3B Preamplifier and D120 Stereo Amplifier, released in the early 1990s, form a solid-state Class AB pairing known for exceptional transparency, dynamic authority, and the classic Audio Research house sound with precise tonal balance.
• High-Resolution Line Stage – The LS3B uses a fully balanced, low-noise circuit with wide bandwidth and premium discrete components, delivering excellent detail retrieval, stable imaging, and superior channel separation for accurate two-channel reproduction.
• Powerful Class AB Amplification – The Audio Research D120 Stereo Amplifier provides 120W per channel of clean, controlled Class AB power with high-current capability, enabling confident drive of demanding loudspeakers while maintaining composure and refinement.
• Exceptional System Synergy – Together, the Audio Research LS3B Preamplifier and D120 Stereo Amplifier offer fast transients, low distortion, and highly coherent musical flow, making the combination ideal for revealing loudspeaker systems in dedicated listening rooms.
• Dimensions – LS3B: approx. 480 mm (W) × 130 mm (H) × 330 mm (D). D120: approx. 480 mm (W) × 180 mm (H) × 430 mm (D). Designed to fit standard Audio Research rack spacing.
• Weight – LS3B: approx. 7 kg. D120: approx. 27 kg. The amplifier’s heavy transformer and robust chassis provide excellent mechanical damping for stable long-term performance.
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Audio Research is an American high-end audio brand widely associated with advancing valve-based amplification through modern engineering. Combining traditional tube principles with contemporary circuit design, the brand focuses on scale, transparency, and dynamic realism without sacrificing tonal integrity.
Audio Research components are designed with serviceability and longevity in mind, which is why pre-owned Audio Research equipment continues to hold strong appeal. Well-maintained pre-owned units often remain competitive with current designs, particularly in systems built around musical realism and dynamic expression.
Across Singapore, Malaysia, and Southeast Asia, Audio Research is respected among audiophiles seeking reference-grade valve electronics. On SoundTribeAsia, Audio Research equipment — new and pre-owned — is offered by verified dealers, providing trusted access through a curated regional marketplace.