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Seller's Description

Naim Flatcap power supply, boxed, good cosmetic condition and in full working order.The Naim Flatcap is an outboard power supply unit designed to upgrade selected Naim source and amplifier components with a dedicated regulated DC supply in place of an internal power supply. It connects via DIN sockets and was designed and made in England by Naim Audio.

Key specifications

Output Connector Type: DIN (4-pin and 5-pin)
Mains Supply: 100V, 115V, 230V 50 or 60Hz

Specifications

Audio Inputs: 1
Colour: Black
Power: 24V DC
Country of Origin: England
Year Manufactured: 1980s
Mains Voltage: 240V
DC Output Voltage: 24V
Mains Supply: 100V, 115V, 230V 50 or 60Hz
Output Connector Type: DIN (4-pin and 5-pin)
Dimensions (H × W × D) — Flatcap 2: 58.4 × 430 × 300 mm
Compatible Components (original Flatcap): Naim CD3.5, NAC92, Nait 3, NAC72, NAC82, SNAXO crossover

Included

Original box

Our Thoughts RADAR AI

Is this priced like a sensible grab, or are you overpaying for a solid bit of Naim kit? At US$339, it lands just above the US$331 median and comfortably inside the middle of the recent market, so this reads as a fair ask rather than a bargain or stretch.

That makes it interesting for buyers who want the FlatCap’s strengths: cleaner, more composed power delivery and an easy upgrade path for compatible Naim separates. The upside here is that this is a known, well-liked support component that can make a real system-level difference without fuss, so a clean, complete example at this level is worth serious consideration. If the listing is genuinely tidy and fully functional, this is the kind of fair-price accessory buy that can be hard to regret.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Naim Audio

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.

See all Naim Audio listings on RADAR.

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