DENAFRIPS HERMES 15TH DDC (Digital to Digital Converter)
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Product Overview & Specifications
The DENAFRIPS Hermes 15th Anniversary Edition is a mid-to-high-end Digital-to-Digital Converter (DDC) engineered to cleanse, reclock, and reformat digital audio bitstreams for reference-grade DACs. Celebrating DENAFRIPS' 15th anniversary, this updated model replaces the original steel enclosure with a precision CNC-machined, fine-brushed anodized aluminum chassis, offering vastly superior vibration damping, electromagnetic shielding, and thermal management.
At its core, the Hermes 15th utilizes a proprietary FPGA DSP Processing Architecture paired with a FIFO buffer system and dual Oven Controlled Crystal Oscillators (OCXO) for ultra-low-jitter clock re-timing. Optically isolated digital inputs—driven by an STM32F446 ARM-based USB interface—prevent host noise from entering the signal path. Powered by an oversized 80VA UPOCC copper O-Core linear transformer, the Hermes 15th outputs clean digital signals via dual AES/EBU, Coaxial S/PDIF, TOSLink, and both HDMI LVDS and RJ45 LVCMOS I²S outputs, with support for external 45.1584MHz / 49.152MHz master clock inputs.
KEY FEATURES & PROPRIETARY TECHNOLOGIES
- CNC Machined Aluminum Chassis: Precision-milled, fine-brushed anodized aluminum housing that significantly increases structural rigidity, thermal dissipation, and resonance control.
- FPGA DSP Architecture & FIFO Reclocking: Digital signals are buffered in FIFO RAM and reclocked using dual Oven Controlled Crystal Oscillators (OCXO) to eliminate timing jitter.
- Optical Isolation on All Inputs: Full galvanic optical isolation across all digital input stages protects audio signals from computer noise and ground loops.
- STM32F446 ARM-Based USB Audio Solution: High-speed proprietary USB processing engine supporting up to PCM 768kHz and native DSD512.
- 80VA UPOCC Copper O-Core Transformer: Heavy-duty linear power supply incorporating Ultra-Pure Ohno Continuous Cast copper windings for clean, ripple-free power delivery.
- Dual I²S & Dual AES/EBU Outputs: Features both HDMI LVDS and RJ45 LVCMOS I²S pinouts alongside dual AES/EBU balanced digital outputs for extreme system flexibility.
- External Master Clock Input: Accepts external 45.1584MHz and 49.152MHz clock sync inputs from master clock generators.
SPECIFICATIONS
| Specification | Detail |
|---|---|
| Product Category | Digital-to-Digital Converter (DDC) / Master Clock Reclocker |
| Brand / Series | DENAFRIPS 15th Anniversary Series |
| Model Name | Hermes 15th |
| Core Processing Architecture | Proprietary FPGA DSP Processing Architecture with FIFO RAM Buffer |
| Internal Clock System | Dual Oven Controlled Crystal Oscillators (OCXO) |
| USB Processing Engine | STM32F446 ARM-Based Advanced MCU (Thesycon Driver for Windows / Native USB Audio 2.0 Class for Mac & Linux) |
| Power Supply Architecture | 80VA UPOCC Copper O-Core Linear Power Transformer |
| External Clock Inputs Supported | 45.1584 MHz | 49.152 MHz |
| Digital Inputs | 1 x USB 2.0 Type-B, 1 x Coaxial S/PDIF (RCA), 1 x TOSLink Optical, 1 x AES/EBU (XLR) |
| Digital Outputs | 1 x I²S HDMI (LVDS Standard), 1 x I²S RJ45 (LVCMOS Standard), 2 x AES/EBU (XLR), 1 x Coaxial S/PDIF (RCA), 1 x TOSLink Optical |
| DSD Format Support |
Coax / AES / Optical: DSD64 (DoP) USB Input & I²S Output: Up to DSD512 (22.5792 MHz Native) |
| PCM Format Support |
All Inputs & Outputs: 24-bit / 44.1, 48, 88.2, 96, 176.4, 192 kHz I²S Output: Up to 384 kHz USB Input: Up to 768 kHz |
| AC Power Requirements | 100–240 VAC, 50/60 Hz (Worldwide Auto-Switching) |
| Power Consumption | ≤ 20 W |
| Chassis Construction | Precision CNC-Machined Anodized & Fine-Brushed Aluminum |
| Dimensions (W x D x H) | 254 x 329 x 63 mm (10.0" x 12.95" x 2.48") |
| Weight | 4.5 kg (9.9 lbs) |
| Finish Options | Anodized Black or Anodized Silver |
| Warranty | 12 Months Manufacturer Warranty |
Customer Reviews
Denafrips
Guangzhou • Est. 2012
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DENAFRIPS HERMES 15TH DDC (Digital to Digital Converter)
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