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Naim Audio NAIT 5si Integrated Amplifier Three month old Naim 5si amplifier. Under warranty. As new with original packaging. Original purchase invoice will be supplied for warranty purposes. Selling as is a bit underpowered for my Franco Serblin speakers. Specifications AUDIO INPUTS Input Impedance 20kΩ Analogue Input2 x DIN, 4 x RCA Input Sensitivity150mV AUDIO OUTPUTS Audio OutputsSpeakers, HDD Other OutputsHeadphone, 1/4" jack Line Outputs Fixed (level)150mV, 600Ω FINISH CaseBlack powder coated FrontBlack powder coated PHYSICAL Shipping Weight8.6 kg Shipping Dimensions200 x 590 x 50
A Naim 5si at A$1,250 is a touch above the A$1,133 median, but still comfortably inside the recent market range and below the A$1,266 75th percentile, so this reads as fair, not ambitious. It’s not a bargain-basement price, but it’s also not the kind of listing that needs hard negotiation if the condition really is like-new.
What keeps it interesting is the amp itself: the 5si is a well-regarded 60W-per-channel integrated with Naim’s lively, punchy presentation, plus proper analogue inputs and a headphone out, but no DAC or phono stage to distract from the core job. In like-new condition, the upside is mostly in buying a clean, later-career example of a respected model that still feels current for a simple stereo system; just make sure the remote and power lead are included, since those are the bits you want to avoid chasing later.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Naim Audio, a cornerstone of British hi-fi excellence, traces its origins to 1973 when Julian Vereker, a self-taught engineer, racing driver, and music enthusiast, formally incorporated the company in Salisbury, Wiltshire. Vereker's journey began earlier, in 1969, experimenting with tape recording and sound-to-light boxes before designing his first power amplifier in 1971. Amid the British hi-fi industry's recession, he secured a pivotal contract with Capital Radio, blending entrepreneurial grit with a passion for authentic sound reproduction that challenged conventional wisdom.
The brand specializes in premium integrated amplifiers, power amplifiers, preamplifiers, digital streamers, DACs, and compact music systems, often featuring built-in amplification for streamlined setups. While not delving into speakers—beyond a historical foray—or headphones and turntables, Naim emphasizes modular, upgradable components that prioritize pace, rhythm, and timing (PRaT), a signature sonic philosophy rooted in the "source first" approach alongside contemporaries like Linn.
Naim holds a commanding position in the high-end market, revered by discerning audiophiles for its handmade, innovative systems that deliver emotional musical engagement over mere specifications. Now part of VerVent Audio Group following a 2011 merger with Focal, it exports to over 45 countries, sustaining a cult following for resilient, influential designs that transcend economic cycles.
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