Product Overview & Specifications
The Aavik SD-188 is a reference high-resolution streamer and DAC engineered by Audio Group Denmark to bridge digital versatility with natural, analog-like presentation. Designed in collaboration by Flemming Erik Rasmussen and Michael Børresen, the SD-188 combines Aavik’s chipless, non-switching Continuum Processing DAC—which converts all digital signals to high-resolution DSD512 via a custom FPGA—with an intuitive network streaming platform. Housed in a low-resonance, non-magnetic enclosure, it eliminates digital switching hash and micro-vibrations to preserve spatial depth and harmonic authenticity.
At the core of the SD-188 is a sine-wave Resonant Mode Power Supply that delivers ultra-clean power with low noise and dynamic current reserves. The unit incorporates a specialized Ansuz noise-suppression matrix—featuring 36 active Tesla coils, 72 active square PCB Tesla coils, and 3 3rd-generation analog dither circuits. This comprehensive technology actively neutralizes electrical noise, RF interference, and power line fluctuation to reveal stunning dynamic resolution and transparency.
KEY FEATURES & PROPRIETARY TECHNOLOGIES
- Chipless Continuum Processing DAC: Custom-programmed FPGA converts all incoming digital audio directly to DSD512 without standard DAC chips or switching distortion.
- High-Resolution Network Streaming: Native support for DLNA 1.5 and UPnP AV 1.0 protocols for lossless network streaming and high-resolution playback.
- Ansuz Active Tesla Coil Matrix: Outfitted with 36 active Tesla coils and 72 active square PCB Tesla coils to suppress power supply hash and voltage spikes.
- 3rd-Gen Analog Dither Technology: Radar-derived anti-phase dither frequency technology (3 circuits) that lowers the noise floor to expose subtle ambient micro-details.
- Fully Isolated Digital Architecture: Galvanically isolated asynchronous USB input alongside dual BNC S/P-DIF and TOSLINK optical digital connections.
- Resonant Mode Power Supply: Power-factor-corrected sine-wave power supply that adjusts frequency dynamically to handle sudden power demands without introducing distortion.
SPECIFICATIONS
| Specification | Detail |
|---|---|
| Product Category | High-End Reference DAC & Network Streamer |
| Brand / Series | Aavik Acoustics (Audio Group Denmark) — 188 Series |
| Model Designation | SD-188 |
| Digital Conversion Engine | Chipless Continuum Processing DAC (FPGA-Based DSD512 Conversion) |
| USB Digital Input | 1 x Fully Isolated Asynchronous USB (UAC 2) PCM: 32-bit / 44.1–384 kHz | DSD: DSD64–DSD256 Native, DSD64–DSD128 DoP |
| Coaxial Digital Inputs | 2 x BNC S/P-DIF (32-bit / 11–768 kHz) |
| Optical Digital Inputs | 2 x TOSLINK Optical (32-bit / 11–192 kHz) |
| Digital Output | 1 x BNC S/P-DIF (32-bit / 11–768 kHz) |
| Analogue Output | 1 Pair Stereo RCA Line Outputs |
| Streaming Protocols | DLNA 1.5 | UPnP AV 1.0 |
| Ansuz Active Noise Reduction | 36 Active Tesla Coils | 72 Active Square PCB Tesla Coils | 3 Analog Dither Circuits (3rd Gen) |
| Power Supply | Resonant Mode Power Supply (Sine-Wave Operating) |
| Power Consumption | Standby: < 1 W | Operating: < 30 W |
| Mains Voltage & Current | 100–240V AC (50–60 Hz), Max 3.15 A |
| Enclosure Protection Class | IP10 |
| Dimensions (W x D x H) | 440 x 430 x 116 mm (17.3" x 16.9" x 4.6") |
| Net Weight | 21.0 kg (46.0 lbs) |
| Origin | Handcrafted in Denmark |
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