Trilogy 907 Phono Stage
It is easy to overlook what mature technologies can still offer amidst all the clamour of the digital revolution. Vinyl's appeal as a medium of the highest quality still rightfully endures, despite today's convenience-led music market.
The Trilogy 907 Phono Stage has been meticulously designed to be the perfect interface between your turntable and high resolution amplifier.
The compact enclosure for the active circuitry is machined from a solid billet of aluminium. It's 1.5kg mass provides outstanding physical and electrical isolation for each of the circuit elements. Even the DC from the power supply runs through its own channel within the housing, until L-C filtering takes place before the main power regulators.
The commonly used series regulator, usually chosen for its lower power dissipation and simplicity, has been rejected in favour of discrete shunt regulators. They are biased heavily into Class A with plenty of voltage headroom to provide ample current for the active gain stages.
The key feature of shunt regulators is their ability to sink, as well as source current. This gives a clear performance advantage under the dynamic operating conditions music demands.
Each channel has its independently housed and isolated gain stage. The fully discrete topology is single ended; achieving high bandwidth and low distortion through the use of active current sources and cascode gain blocks, eliminating cross over distortion. Precision matched input transistor pairs ensure low noise.
The circuit performance is such that global feedback is not needed. RIAA equalisation is passive, carefully optimized with precision components. Gain settings for MM or MC and cartridge loading are easily achieved via configuration switches on the base. Three gain settings and a very wide range of loading options mean virtually any cartridge can be accomodated.
Bringing all the design elements together: innovative circuit topology, optimized electrical screening, superior component quality and elimination of microphony through mass loading, the Trilogy 907 achieves class leading performance. Vast headroom, low noise floor and low dynamic distortion are just some of the benefits that have been realized in achieving our main goal; outstanding musicality.
Superbly crafted for making music at the highest level, the Trilogy 907 conjures music that lives and breathes, keeping the magical essence of vinyl perfectly intact.
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