Topology:
The XDA-3 is a high performance two-channel audiophile DAC with a variety of digital inputs, including a very high-performance USB input, an HDMI-ARC input, and two stereo analog inputs. The XDA-3 features a fully balanced fully differential analog signal path, and a true analog ladder network volume control for superb performance as both a DAC and a preamp.
Inputs:
• 2 - Coaxial S/PDIF digital audio inputs.
• 2 - Toslink optical S/PDIF digital audio inputs.
• 1 - HDMI-ARC digital audio input
• 1 - High performance USB digital audio input.
• 1 pair - Balanced XLR analog audio input.
• 1 pair - Unbalanced RCA analog audio input.
Outputs:
• 1 pair - Main Outputs (stereo; balanced / XLR), variable level.
• 1 pair - Main Outputs (stereo; unbalanced / RCA), variable level.
• 1 - Headphone output, 1/4” stereo, front panel
Audio Formats and Bit Rates Supported:
• Stereo PCM digital audio via USB at standard sample rates / bit depths up to 32/768k (no drivers required for Windows, Apple, and most Linux computers)
• Stereo DoP (DSD-over-PCM-over-USB) via USB at DoP64, DoP128, and DoP256 (ASIO driver or support required)
• Native DSD (DoP) via USB at DSD64, DSD128, DSD256, and DSD512 (ASIO driver and additional software support required)
• Stereo digital audio via S/PDIF (optical and electrical) at all standard sample rates and bit depths up to 24/192k
• Stereo digital audio via HDMI-ARC (sample rates and bit depths determined by source)
• Analog audio via one pair of stereo Balanced (XLR) Inputs and one pair of stereo Unbalanced (RCA) Inputs.
Circuit Highlights:
• Digital to Analog Conversion: ESS ES9038Q2M SABRE32 Reference DAC (32-bit Stereo DAC with Hyperstream® II DAC architecture and Time Domain Jitter Eliminator)
• Headphone Amplifier: Texas Instruments TPA6120A2 (high-power, very high fidelity, current-feedback monolithic Class A/B headphone amplifier)
• Volume Control: NJW1195A (digitally controlled analog ladder network volume control)
• Analog Signal Path Active Electronics: OPA1656 (ultra-low-noise, low-distortion, FET-input, audio operational amplifiers)
• USB Interface: Comtrue CT7601 32-bit 768 kHz USB Audio Bridge (supports PCM up to 32/768k; DoP up to DoP256; native-DSD up to DSD512)
Rated Output:
Analog Signal Path:
• Frequency Response: 10 Hz to 55 kHz +0 /- 0.2 dB
• Signal to Noise (S/N) Ratio: > 110 dB
• Crosstalk: < 91 dB
• THD: < 0.001% at 1 kHz.
• THD: < 0.0015% 20 Hz to 20 kHz
• IMD: < 0.0005%
Digital Signal Path:
• Frequency Response: 20 Hz to 20 kHz +/-0.1 dB (44.1k and above sample rates).
• Signal to Noise (S/N Ratio: > 95 dB (44.1 kHz sample rate).
• Signal to Noise (S/N Ratio: > 110 dB (48 kHz and above sample rates)
•Crosstalk: < 100 dB
• THD: < 0.0035% (16 bits)
• THD: < 0.002% (24 bits)
• IMD: < 0.0025% (44.1k sample rate)
• IMD: < 0.0005% (48 kHz and above sample rates)
NOTE: The frequency response with digital input signals is determined by the sample rate of the incoming digital signal and the oversampling filter selected.
User-Selectable Oversampling Filters (DAC):
• Filter #1: Linear Phase Fast Roll-Off.
• Filter #2: Linear Phase Slow Roll-Off.
• Filter #3: Minimum Phase Fast Roll-Off.
• Filter #4: Minimum Phase Slow Roll-Off.
• Filter #5: Apodizing Fast Roll-Off.
• Filter #6: Hybrid Fast Roll-Off.
• Filter #7: Brick Wall.
Since the ideal filter alignment is both a matter of personal preference, and of the specific content you are listening to, we have provided a button that allows you to cycle through the various filter options right on the remote control. Press the Filters Button once to display the current filter; and press it multiple times to cycle through the available filter options.
Trigger:
Trigger Input; Trigger Output (output +12V DC; input 5-12 V AC/DC).
Power Requirements:
- 115 VAC or 230 VAC +/- 10% @ 50 / 60 Hz (automatically detected and switched).
Dimensions:
- 17” wide x 2.25” high x 13.5” deep (includes feet and connectors)
Weight:
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