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About the C-03X
The Esoteric C-03X is a premium stereo linestage preamplifier designed to achieve the highest grade of sound reproduction, aiming to revitalize the original master tape experience. It features a full balanced dual-mono design with independent power supplies for each channel to eliminate inter-channel interference. The unit employs discrete analog circuits with a very short signal path, positioning input and output stages close to their respective ports to minimize noise and signal degradation. It uses ultra-high-grade components including 8N and 6N high purity copper cables and WIMA capacitors. The chassis is a highly rigid 5-cell construction with thick steel and aluminum panels supported by milled steel isolation feet to suppress vibration. The C-03X offers multiple inputs and outputs (RCA and XLR), a high slew rate output buffer, and a high current drive for sharp response. It includes features such as adjustable input gain, channel balance, phase inversion, and a programmable source component name display. The unit is finished with sculpted matte aluminum panels and weighs approximately 22 kg. It has been discontinued but remains a notable contender in the high-end preamplifier market.
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