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CH Precision
	CH Precision is a Swiss company dedicated to the design, manufacturing and commercialization of highest quality audio products under the CH brand. The company is located close to Lausanne, on the shores of Lake Geneva in Switzerland Fully designed and manufactured in Switzerland, CH products stand for outstanding build quality and audio performance. Whereas product design is fully done in-house, manufacturing is handled by local subcontractors. Casing is realized by a specialized company active for the luxury watch industry and located midst in the 'Watch Valley' in the Swiss Jura mountains. PCB and units assembly is handled by an ISO certified partner in the Swiss Alps specialized in manufacturing of technological equipment for high reliability applications. By subcontracting manufacturing to experienced, specialized partners, the CH team can fully concentrate on its core competences, namely the hardware, software and mechanical design of innovative high-end audio products. The team has an unrivaled experience in the high-end audio industry covering electronic board design, MCU and DSP software as well as FPGA programming. This is confirmed by the specialized press recognition and numerous awards received by the audio products designed by the team during its previous activities. CH Precision also closely collaborates with Technology Institutes and Universities to keep up-to-date with the latest research and technological developments. The company strongly believes that correctly applied technology, confirmed by outstanding lab measurements, can definitely progress the art of audio reproduction. CH products provide a unique blend of ultimate audio performance, timeless design and build quality. Based on the latest technologies and open for future upgrades, they make every audiophile's heart beat faster. Last but not least, the company takes highest pride in correlating superb audio performance with excellent measured performance and reliability.

CH Precision is a Swiss company dedicated to the design, manufacturing and commercialization of highest quality audio products under the CH brand. The company is located close to Lausanne, on the shores of Lake Geneva in Switzerland

Fully designed and manufactured in Switzerland, CH products stand for outstanding build quality and audio performance. Whereas product design is fully done in-house, manufacturing is handled by local subcontractors. Casing is realized by a specialized company active for the luxury watch industry and located midst in the 'Watch Valley' in the Swiss Jura mountains. PCB and units assembly is handled by an ISO certified partner in the Swiss Alps specialized in manufacturing of technological equipment for high reliability applications.

By subcontracting manufacturing to experienced, specialized partners, the CH team can fully concentrate on its core competences, namely the hardware, software and mechanical design of innovative high-end audio products. The team has an unrivaled experience in the high-end audio industry covering electronic board design, MCU and DSP software as well as FPGA programming. This is confirmed by the specialized press recognition and numerous awards received by the audio products designed by the team during its previous activities. CH Precision also closely collaborates with Technology Institutes and Universities to keep up-to-date with the latest research and technological developments. The company strongly believes that correctly applied technology, confirmed by outstanding lab measurements, can definitely progress the art of audio reproduction.

CH products provide a unique blend of ultimate audio performance, timeless design and build quality. Based on the latest technologies and open for future upgrades, they make every audiophile's heart beat faster. Last but not least, the company takes highest pride in correlating superb audio performance with excellent measured performance and reliability.

D1 Reference

CH's D1 Reference grade CD/SACD unit examplifies state-of-the-art Swiss precision and utmost dedication to faithful musical reproduction.

Built around the Esoteric VMK-5 VRDS CD/SACD pick-up mechanism, the D1 offers a fully modular and evolutive architecture based on optional slot-in boards for its audio outputs. Each audio output board supports two channels of audio output, either digital (DIGITAL_OUT board) or analog (ANALOG_OUT board), allowing almost any configuration ranging from a simple stereo analog only player to a multi-channel purely digital drive.

Whereas the DSD signal is down-converted to 16bits/44.1kHz (using in-house algorithms) for standard digital outputs, the D1 also integrates the proprietary CH Link interface which not only supports cyphered transmission of native DSD data but also phase compensated synchronization when the D1 is used with one or more C1 digital to analog converter(s). Analog outputs are based on a differential dual mono converter topology coupled to a fully discrete output stage. Both balanced and single-ended outputs are provided.

The user interface is based on an ergonomically designed dual concentric rotatory knob with push function and feedback is given by a 24bits RGB color programmable high-definition AMOLED display. A custom infrared remote control allows access to the D1's most common functions.An oversized, multi-regulated linear power supply and meticulous attention to mechanical design, construction and assembly ensure optimal operating conditions for all circuits, especially the clocking section which benefits from its own dedicated power supply.

External synchronization capabilities can be added by the SYNC_IO optional slot-in board. This board provides standard wordclock input and output on BNC connectors for synchronization with an external clock generator.