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Emotiva XDA-1 DAC - $175 (Federal way)
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The Emotiva XDA-1 is a solid-state DAC with a AD1955 Multibit Sigma-Delta DAC chip, accepting up to 24-bit, 192 kHz signals for most inputs but limited to 24-bit, 48 kHz for USB. Its key specifications include a frequency response of \(5\text{\ Hz}\)–\(48\text{\ kHz}\), a signal-to-noise ratio of \(105\text{\ dB}\) (A-Weighted), and a total harmonic distortion plus noise (THD+N) of \(0.001\%\). It offers multiple digital inputs (2 Optical Toslink, 2 Coax, 1 AES/EBU, 1 USB) and a maximum output voltage of \(12\text{\ V}\) RMS. DAC and audio specifications DAC Chip: Multibit Sigma-Delta AD1955 with 8x OversamplingMaximum Sampling Rate: 24-bit, 192 kHz (except USB, which is limited to 24-bit, 48 kHz)Frequency Response: \(5\text{\ Hz}\)–\(48\text{\ kHz}\)Signal-to-Noise Ratio (S/N): \(105\text{\ dB}\) (A-Weighted)Total Harmonic Distortion + Noise (THD+N): \(0.001\%\) Inputs 2 x Optical (Toslink)2 x Coaxial1 x AES/EBU1 x USB Outputs Maximum Output: \(12\text{\ V}\) RMS
Connections: Includes balanced XLR and unbalanced RCA outputs
Other features:
Digital volume control that can lose resolution at lower settings; using it as a line-level DAC (set to 80) avoids this issue.Separate, independent volume memories for headphone and main outputs.The display and source selector brightness can be adjusted.