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Cayin R202 Next Gen Exchangeable Motherboard for N6iii Digital Audio Player
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Cayin R202 Next Gen Exchangeable Motherboard for N6iii Digital Audio Player
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Description
Quad-channel, Precision Analogue Volume Control Equipped with the NJW1195 controller, R202 offers 256-step, 0.5dB volume control across four fully balanced channels. It ensures ultra-low distortion, accurate channel tracking, and smooth, high-resolution volume adjustment. Matrix-Structured Clean Power Supply Design The headphone amplifier is powered by an LT8582-based high-performance dual-polarity boost supply, delivering ultra-clean power with microvolt-level ripple suppression through LC filtering, significantly enhancing dynamic load response. The DAC and op-amps are powered by a matrix formed from TPS61087 and TPS61240 converters, followed by 7 ultra-low-noise LDOs that independently power the digital, analogue, and clock sections. This minimises noise density and lays a robust foundation for high-fidelity audio output. Quad-Channel Fully Balanced Headphone Amplifier Circuit Built on a fully balanced DAC architecture, the amplifier section uses four pieces OPA1612 and two pieces of OPA1662 op-amps to form a true differential signal patch. Four INA1620 chips deliver quad-channel balanced amplification with dual-parallel design and four-core balanced drive, ensuring precise full-differential amplification of analogue signals for exceptional detail and dynamic response.
Description
Quad-channel, Precision Analogue Volume Control Equipped with the NJW1195 controller, R202 offers 256-step, 0.5dB volume control across four fully balanced channels. It ensures ultra-low distortion, accurate channel tracking, and smooth, high-resolution volume adjustment. Matrix-Structured Clean Power Supply Design The headphone amplifier is powered by an LT8582-based high-performance dual-polarity boost supply, delivering ultra-clean power with microvolt-level ripple suppression through LC filtering, significantly enhancing dynamic load response. The DAC and op-amps are powered by a matrix formed from TPS61087 and TPS61240 converte...