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Linn Numerik DAC in good working order, supplied with a BNC coaxial cable.The Linn Numerik is a standalone digital-to-analogue converter built around dual Burr-Brown PCM63P DACs and a Burr-Brown DF1700 digital filter running 8x oversampling. It accepts two S/P-DIF electrical inputs via 75 ohm BNC connectors and supports 44.1kHz and 48kHz sample rates.
Key specifications
DAC Chips: Dual Burr-Brown PCM63P (20-bit Sign-Magnitude)
Digital Filter: Burr-Brown DF1700, 8× oversampling, 20-bit output, 25-bit internal
Digital Inputs: 2× S/P-DIF electrical (75 Ω BNC), 0.2–1 V pp
Supported Sample Rates: 44.1 kHz (CD) and 48 kHz (DAT)
Channel Separation: >100 dB at 1 kHz
The Linn Numerik is a standalone digital-to-analogue converter built around dual Burr-Brown PCM63P DACs and a Burr-Brown DF1700 digital filter running 8x oversampling. It accepts two S/P-DIF electrical inputs via 75 ohm BNC connectors and supports 44.1kHz and 48kHz sample rates.
Key specifications
DAC Chips: Dual Burr-Brown PCM63P (20-bit Sign-Magnitude)
Digital Filter: Burr-Brown DF1700, 8× oversampling, 20-bit output, 25-bit internal
Digital Inputs: 2× S/P-DIF electrical (75 Ω BNC), 0.2–1 V pp
Supported Sample Rates: 44.1 kHz (CD) and 48 kHz (DAT)
Channel Separation: >100 dB at 1 kHz
Specifications
Audio Inputs: 2
Colour: Black
Country of Origin: United Kingdom
Item Height: 80 mm
Item Length: 325 mm
Item Weight: 4.1 kg
Item Width: 320 mm
Year Manufactured: 1990s
DAC Chips: Dual Burr-Brown PCM63P (20-bit Sign-Magnitude)
Digital Filter: Burr-Brown DF1700, 8× oversampling, 20-bit output, 25-bit internal
Digital Inputs: 2× S/P-DIF electrical (75 Ω BNC), 0.2–1 V pp
Supported Sample Rates: 44.1 kHz (CD) and 48 kHz (DAT)
Channel Separation: >100 dB at 1 kHz
Dimensions (W × D × H): 320 × 325 × 80 mm
Linn’s Numerik is a respected older DAC, and at US$549 it lands below the US$596 25th percentile and well under the US$643 median for recent comparable listings, so this reads as a strong buy rather than a merely fair one. For a known-name piece with cult appeal, that’s a genuinely attractive entry point.
The appeal here is straightforward: the Numerik is valued for a smooth, musical presentation and a classic Linn voicing that still has plenty of fans. If the unit is complete and working cleanly, the upside is solid; on an older DAC like this, the main things to verify are basic functionality, input lock, and whether any needed power-supply or cable details are included, but the price gives enough cushion that this looks like a worthwhile opportunity.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Linn Products: Brand Overview
Linn Products was founded in 1973 by Scottish engineer Ivor Tiefenbrun in Glasgow as a vehicle to manufacture the Sondek LP12 turntable, which would become the company's most iconic product and a cornerstone of high-fidelity audio. The brand emerged during the golden era of British hi-fi with a revolutionary "source first" philosophy—challenging the prevailing industry belief that loudspeakers mattered most by demonstrating that superior sound quality begins with the audio source. This foundational principle has guided the company's engineering ethos for over five decades.
Linn's product portfolio spans the complete hi-fi chain, from turntables and tonearms to preamplifiers, power amplifiers, and loudspeakers. The company introduced the world's first microprocessor-controlled preamplifier and power amplifier in 1985 (the LK1 and LK2), establishing itself as an electronics specialist. From 2007 onward, Linn pivoted toward digital music streaming, becoming an early adopter of network-based audio playback supporting studio master-quality recordings at 24-bit/192 kHz resolution, and discontinued CD player production in 2009 to focus on this strategic direction.
Linn occupies the high-end segment of the audio market, commanding respect among discerning audiophiles and collectors for its uncompromising engineering approach and longevity. The brand's reputation rests on meticulous product design, acoustic isolation principles, and a commitment to eliminating weak links in the signal chain—a philosophy that has made Linn one of the most influential manufacturers in hi-fi history and a benchmark for quality-focused audio engineering.
See all Linn listings on RADAR.
