Informations
Product description
The Atoll DAC100 Signature is a compact, high-performance Digital-to-Analog Converter designed and manufactured in Normandy, France by Atoll Electronique. It serves as an upgraded evolution of the legacy DAC100 / DAC100 SE models, refined specifically to improve digital conversion bandwidth, power conditioning, and overall signal resolution.
Key Technical Specifications
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DAC Chip: Texas Instruments Burr-Brown PCM1796 (24-bit / 192 kHz).
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Supported Digital Formats:
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Coaxial & Optical (S/PDIF): 16–24 bit up to 192 kHz.
- USB-B: Up to 24-bit/192 kHz, as well as native DSD64 and DSD128 support.
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- Power Supply: Dual linear power supply using two independent Zarel toroidal transformers—one dedicated strictly to the analog output stage to prevent digital noise contamination.
- Analog Output Stage: Fully discrete Class-A output stage operating without negative feedback, utilizing high-grade MKP audiophile capacitors.
- Dynamic Range / S/N Ratio: 123 dB.
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Form Factor: Compact half-width steel chassis with a thick brushed aluminum front panel.
- Dimensions: 320 × 210 × 60 mm
- Weight: 2.0 kg
Specifications
| Feature | Specification |
| D/A Converter Chip | Burr-Brown PCM1796 |
| Max Resolution (USB) | PCM up to 24-bit/192 kHz, DSD64, and DSD128 |
| Max Resolution (S/PDIF) | PCM up to 24-bit/192 kHz |
| Power Supply | 2 independent transformers (separate audio analog & digital stages) |
| Output Stage | Fully discrete components, Class A, zero global feedback |
| Frequency Response | 5 Hz – 20 kHz |
| Dynamic Range | S/N123 dB |
| Dimensions & Weight | 320 × 210 × 63 mm; 2.0 kg |