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DS Audio Grand Master Extreme
Cartridge
One-piece diamond cantilever
The Grand Master Extreme employs a 0.22mm square one-piece diamond cantilever, where the diamond cantilever and the needle tip are crafted from a single diamond. Typically, the diamond tip of the cantilever and the needle tip are bonded together using adhesive. However, with the one-piece diamond cantilever, the cantilever and the needle tip are integrated into a single unit, enabling a more direct transmission of information from the needle tip.
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DS Audio Grand Master Extreme
DS Audio's Grand Master Extreme elevates optical cartridges with its signature one-piece diamond cantilever and Micro-Ridge stylus, delivering uncanny micro-detail and a silent background. Reviewers such as Ken Kessler, Jacob Heilbrunn and TAS Staff praise its deep, controlled bass, effortless treble and a remarkably wide, stable soundstage. The cartridge's photo-electric conversion and >27dB channel separation translate to precise imaging, fast dynamics and superb inner-groove retrieval. Housed in an ultra-duralumin body with stainless fittings, the Grand Master Extreme is engineered for high-resolution systems and performs at its best when paired with DS Audio's dedicated Grand Master equalizer. For audiophiles seeking reference-level vinyl reproduction, it represents a transformative, albeit premium, upgrade.
Pros
- Exceptional micro-detail retrieval and a very quiet background that reveals inner-groove information.
- One-piece Micro-Ridge diamond cantilever improves tracking precision and reduces spurious vibration at the stylus/cantilever junction.
- Wide, deep and highly stable soundstage with strong channel separation (>27dB) for precise imaging and instrument placement.
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Cons
- Requires DS Audio’s dedicated equalizer/energiser and is not compatible with conventional phono preamps, limiting ease of integration.
- Very high price and performance that demands a capable, high-resolution system to fully realize its benefits.
Tracking and Retrieval
96/100
The one-piece micro-ridge diamond cantilever (0.22mm) and optical generator get repeated praise for uncanny micro-detail and a silent background; TAS and Jacob Heilbrunn describe extraordinary detail excavation and inner-groove performance, and HiFi News reports being 'stunned' by the cartridge's ability to extract more from grooves—all indicating exceptional tracking and retrieval.
Sound Quality
95/100
Reviewers consistently report a wide, deep and highly stable soundstage: TAS and Jacob Heilbrunn highlight precise instrument placement and a rapid, stable stage, and specs/coverage note >27dB channel separation—together indicating top-tier imaging and spatial coherence.
Build Quality
96/100
Construction is exceptional: reviewers note an Orbray-manufactured one-piece diamond cantilever with integral Micro Ridge stylus (no adhesive joint), ultra-duralumin body, and stainless cantilever holder. The single-piece diamond/cantilever and optical generator assembly are cited repeatedly as a major technical advantage, supporting a very high build-quality score.
Tonearm Compatibility
76/100
Performance requires DS Audio's dedicated equaliser/energiser and is not compatible with traditional phono preamps; reviewers emphasize pairing with the company’s specific two-box Grand Master Equaliser. While mechanically mountable in standard headshells, the optical generator and required external electronics limit universal tonearm/phono-stage compatibility, so careful system matching is necessary.
Value for Money
90/100
Reviewers frame this as a high-end, reference-level product that justifies its premium for those seeking the ultimate analog experience: TAS awarded Cartridge of the Year and multiple reviewers call it a game-changer or best-in-class. Pricing is very high (~$22,500–25,000) but bundled-equaliser pricing and repeated superlative praise support a 'justified premium' value rating rather than bargain-level.
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