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Audio Research SP3 Preamplifier – Black Gold Faceplate
• Overview – The Audio Research SP3 Preamplifier – Black Gold Faceplate, released in 1973, is a tube preamplifier featuring a built-in MM phono stage and all-valve circuitry, widely regarded as one of Audio Research’s most influential designs.
• Legendary Tube Circuitry – Utilizing multiple 12AX7 and 6DJ8 vacuum tubes, the Audio Research SP3 Preamplifier – Black Gold Faceplate delivers exceptional harmonic richness, natural timbre, and remarkable musical engagement for analogue enthusiasts.
• Reference Analogue Performance – The Audio Research SP3 Preamplifier – Black Gold Faceplate is celebrated for its expansive soundstage, lifelike midrange reproduction, and highly resolving phono section, making it a sought-after vintage audiophile component.
• Specifications – All-tube preamplifier design, integrated MM phono stage, multiple line-level inputs, frequency response approximately 2Hz–100kHz, low distortion circuitry, tube-regulated power supply, RCA input and output connections.
• Dimensions – Approximately 483 mm (W) × 133 mm (H) × 286 mm (D), featuring the distinctive Black Gold faceplate and classic full-width chassis construction.
• Weight – Approximately 8–10 kg, reflecting substantial transformer construction, premium valve circuitry, and robust chassis engineering designed for long-term reliability.
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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.