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About the 4.1x
The 4.1x is a flagship-level CD player and DAC from Audio Note (UK), designed for audiophile-grade Red Book CD playback. It features a modified Philips CD Pro 2 top-loading transport mechanism and an 18-bit Analogue Devices AD1865 DAC chip, with no oversampling or digital filtering for a direct, unprocessed signal path. The analog output stage uses two ECC88 (6922) dual-triode valves and high-quality Audio Note copper foil coupling capacitors, with copper wiring throughout. The unit employs the Tonmeister voicing strategy, utilizing Audio Note standard electrolytic capacitors, tantalum resistors, and copper foil coupling capacitors. The display has a dedicated power supply to minimize internal noise, and the chassis is robustly constructed for vibration control. Output is approximately 3V RMS via single-ended RCA connectors, with an optional digital output (SPDIF). The 4.1x is noted for its lifelike scale, dynamic impact, tonal balance, and emotional presence in music reproduction.
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