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CH Precision C1 Controller DAC Streamer Digital Preamp

Quick Overview

CH Precision C1 Ultimate Digital Preamp Controller DAC Streamer.

Designed for the true music lover, the C1's apparent simplicity hides highly sophisticated technological solutions with the single goal of recreating the full musical experience. This emotion can only be achieved when both level and time information are properly reconstructed from the digital data. And this is what the C1 is all about...
The C1 is based on a fully modular, future-proof architecture. Inputs boards (up to 3) include standard digital inputs complemented by the proprietary CH-Link interface. The CH-Link interface allows for synchronized transfer of High Definition audio content and control over a single connection and is the optimal link between the C1 and the matching D1.

Standard digital inputs accept S/PDIF, TOSLINK and AES-EBU signals up to 24bits/192kHz whereas the CH-Link interface supports up to 32bits/768kHz and native DSD. Audio data on CH-Link is cyphered when protected content is transmitted. The converter stage is a linearized R2R stage operating at 705.6/768kHz with four converters in parallel per channel fed by a fully programmable 4.8GFLOPS DPS engine implementing the proprietary CH-HiD processing for up-sampling, DSD to PCM conversion and resolution enhancement. Each converter is individually factory calibrated and this fully automated process can be repeated to maintain optimal operation over time. The digital to analog converter boards are full dual mono with one board per channel. Analog outputs include single-ended 75 Ohm RCA, balanced XLR and 50 Ohm darT BNC connectors.
The analog stage is a full discrete design optimized for ultra-low noise and transient response. Digital volume control and optional analog inputs enable the use of the C1 as a full featured preamplifier. Extreme care has also been given to the timing of the audio conversion. The clocking section of the C1 is based on two ultra low jitter digitally controlled VCXOs. It supports word-clock slave synchronization over the CH Link interface. The C1 also supports an optional synchronization board to be used with external clock generators/slaves and CH sources.
A reference grade linear power supply (with <1W power consumption in Standby), sophisticated mechanical chassis design and full USB based firmware update also contribute the C1's uniqueness... for now and for any future format!

Manufacturer's website CH Precision

Details

Please find reviews below

 


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CH PRECISION C1 DAC and A1 Amplifier review by " HiFi-Advice " Online Magazine, January 2019

 

https://www.hifi-advice.com/chprecisionC1A1review

 


CH PRECISION D1 & C1 Transport and DAC review by " Stereo Times" Online Magazine, 2018

http://v2.stereotimes.com/post/ch-precision-c1-dac-and-d1-sacd-cd-transport/


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CH Precision D1 / C1 HD Board Upgrade review by " Positive Feedback " Online Magazine, November 2018

https://positive-feedback.com/reviews/hardware-reviews/ch-precision-hd-upgrade/


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CH Precision D1 and C1 review by Roy Gregory " The Audio Beat " , September 2016

http://www.theaudiobeat.com/equipment/ch_precision_c1_d1.htm


" MUSIC EMOTION " Magazine review, 2016

http://www.ch-precision.com/images/reviews/Review_WB_CHP_English_ME7-8_16.pdf


Positive Feedback " Online Magazine Review , Ultimate Digital Source

http://www.positive-feedback.com/Issue74/ch_precision.htm


The Absolute Sound " Magazine Review , TAS Editor's Choice and Golden Ear Award Winner.

CH Precision C1 Linestage/ DAC and A1 Power Amplifier

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