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Borrowing heavily from the design of N.40 Media Console and N.32 Reference Preamplifier, the N.390S incorporates our latest advances in DAC design, output buffer and volume control technologies, all implemented on a four-layer Arlon® circuit board. Fully Balanced Design The N.390S is fully balanced in both the analog and digital domains. Information from the disc and single-ended digital inputs are immediately converted to balanced signals and routed to balanced DACs by a Low Voltage Differentia