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Sutherland Engineering PhD Phono Preamplifier – Excellent ConditionFor sale is an excellent-condition Sutherland Engineering PhD, one of Ron Sutherland’s highly regarded battery-powered phono preamplifiers.The PhD was designed around an exceptionally quiet, isolated power supply using 16 D-cell batteries, completely separating the phono stage from AC-line noise. The result is the type of extremely low noise floor, transparency, detail, and natural musical presentation that Sutherland phono stages are known for.The PhD offers adjustable gain and cartridge loading, making it suitable for a wide variety of moving-magnet and moving-coil cartridges.Highlights:• Battery-powered design for exceptionally quiet operation• Dual-mono internal architecture• Adjustable 45, 50, 55 and 60 dB gain• Selectable cartridge loading• Excellent moving-coil performance• Designed by Ron Sutherland• Original retail price approximately $3,000This example is in excellent cosmetic and operating condition and has been well cared for. A terrific opportunity to own a serious high-end analog phono stage without spending today’s high-end phono-stage prices.The Sutherland PhD is especially impressive with a good MC cartridge, offering a very quiet background, excellent resolution and imaging while retaining a natural, non-fatiguing presentation.Reasonable offers considered.Please feel free to contact me with any questions or requests for additional photos.
Should you jump on it at US$1,150, or wait for a cleaner example? Against the local used market, that asks a bit above the 75th percentile of US$1,088, so it reads as ambitious rather than a steal. It’s not absurd for a desirable phono stage, but it’s priced at the top end of where I’d want some extra sweetness in the deal.
That said, the appeal is real: this is a well-regarded, very quiet, highly resolving phono preamp with a big, open sound and strong cartridge compatibility. If the unit is complete, healthy, and includes fresh batteries or confirms solid battery life, it’s still a worthy buy for someone who wants that refined, low-noise Sutherland presentation.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Sutherland Engineering traces its roots to the inventive spirit of founder Ronald Logan Sutherland, an electrical engineer from a Missouri farm who honed his resourceful problem-solving skills early on. In the late 1970s, Sutherland partnered with Gayle Martin Sanders to launch MartinLogan, pioneering hybrid electrostatic loudspeakers that revolutionized high-end audio with their transparent diaphragms and cutting-edge vapor-deposition technology. Craving independence after years of success, Sutherland teamed with his brother John to establish Sutherland Engineering in the United States during the early 1990s, initially through contract manufacturing that funded his passion projects.
The brand specializes in premium analog audio components, with a sharp focus on phono preamplifiers that deliver exceptional detail and musicality. Its lineup has expanded to include innovative solid-state power amplifiers, like the debut C-1000 model priced at $20,000 and highly sought in Asia, alongside preamplifiers and select cables designed for purist vinyl playback and system synergy.
Positioned firmly in the high-end niche, Sutherland Engineering earns acclaim among discerning audiophiles for its no-compromise engineering and uncolored sound reproduction. Boutique in scale, it appeals to vinyl enthusiasts and serious collectors who prioritize transparency and longevity over mass-market flash, maintaining a cult following in the upper echelons of hi-fi.
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