PS Audio PMG Signature 512 DAC/Streamer
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Product Overview & Specifications
The PS Audio PMG Signature 512 DAC is a high-end digital-to-analog converter and high-definition streamer engineered to redefine digital playback. Powered by PS Audio's proprietary PureStream DSD512 engine running at 22 MHz, it converts all incoming digital signals (both PCM and DSD) into a native 8X DSD stream without decimation or off-the-shelf DAC chips.
The upsampled stream is refined through the SpectraWave 64-Tap Sequencer—a discrete FIR digital filter designed to eliminate jitter, preserve phase coherence, and align musical transients. Signal integrity is maintained by Digital Lens reclocking technology, galvanically isolated inputs, and a fully balanced, direct-coupled Class-A analog output stage with precision analog volume control, allowing the PMG 512 to drive power amplifiers directly.
KEY FEATURES & PROPRIETARY TECHNOLOGIES
- PureStream DSD512 Engine: Proprietary architecture running at 22 MHz that upsamples all incoming digital sources to a native 8X DSD stream without PCM conversion or decimation.
- SpectraWave 64-Tap Sequencer: Discrete FIR architecture operating at 22 MHz to real-time align transients, preserve phase coherence, and lower overall noise and distortion.
- Galvanically Isolated Streaming Module: Built-in network streamer with native support for Roon Ready, Tidal (via Roon), Qobuz Connect, Spotify Premium, DLNA/UPnP, and ShairPort.
- Digital Lens Technology: Advanced input buffer and reclocking circuit that eliminates jitter before signal processing begins.
- Class-A Direct-Coupled Output Stage: Transformerless, minimal-feedback analog circuit delivering clean, high-current drive with low output impedance.
- Precision Analog Volume Control: High-resolution volume attenuation allows direct connection to power amplifiers without digital degradation.
SPECIFICATIONS
| Product Type | Reference Digital-to-Analog Converter & Network Streamer |
| Processing Architecture | PureStream DSD512 Engine (22 MHz Upsampling) + SpectraWave 64-Tap FIR Sequencer |
| Analog Output Circuit | Class-A Fully Balanced, Direct-Coupled (Transformerless) |
| Analog Conversion Method | 64-Bit FIR Filter to Low-Pass Analog Filter |
| Frequency Response | 20 Hz – 20,000 Hz (± 0.25 dB) |
| THD+N @ 1 kHz (Full Scale) | < 0.001% (SINAD > 100 dB) |
| Maximum Output Level | 4.0 VRMS (Balanced XLR) | 2.0 VRMS (Single-Ended RCA) |
| Output Impedance | < 100 Ω / 200 Ω |
| Digital Audio Inputs | 2 x I²S (HDMI), 2 x Coaxial S/PDIF, 2 x Balanced XLR (AES/EBU), 1 x Optical TOSLink, 1 x USB Type-B |
| Input Sample Rate Support |
Optical: PCM 16/24-bit up to 96 kHz Coax & AES/EBU: PCM up to 192 kHz, DoP64 I²S & USB: PCM 16/24/32-bit up to 705.6/768 kHz, DoP64–DoP256, Native DSD64–DSD512 |
| Built-in Streaming Services | Roon Ready, Tidal (via Roon), Qobuz Connect, Spotify Premium, DLNA/UPnP, ShairPort |
| Network Connectivity | Gigabit Ethernet (10/100/1000) & Dual-Band Wi-Fi (IEEE 802.11 b/g/n/ac 2.4 & 5 GHz) |
| Power Supply & Requirements | High-Current Oversized Power Supply | Auto Voltage: 120VAC or 230VAC (50/60 Hz) |
| Power Consumption | 30 W |
| Available Color Options | Black, Silver |
| Dimensions (W x D x H) | 445 x 375 x 112 mm (17.5" x 14.75" x 4.375" with feet) |
| Weight | 13.61 kg (30.3 lbs) | Shipping: 18.3 kg (40.3 lbs) |
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PS Audio PMG Signature 512 DAC/Streamer
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