Garlubidor Phantom R-2R DAC
Garlubidor Phantom R-2R DAC
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The Garlubidor Phantom R-2R DAC is a high-performance digital-to-analog converter engineered to deliver analogue warmth, precise spatial imaging, and high musicality. Built around a discrete 24-bit R-2R resistor ladder architecture with four sets of 0.005% ultra-high-precision matched resistor networks, it bypasses traditional delta-sigma chipsets in favor of a true ladder network that prioritizes natural timing and harmonic accuracy.
Capable of functioning as both a standalone DAC and a dedicated preamplifier, the Phantom incorporates a relay-switched resistor-ladder volume control driven by a front-panel rotary encoder for consistent impedance and low-level channel matching. Powered by an internal low-noise linear power supply with a custom O-core transformer, it features dual precision active crystal oscillators (45.1584 MHz / 49.152 MHz) and an ARM-based STM32F446 USB interface to eliminate digital jitter across high-resolution PCM (up to 1536 kHz) and native DSD1024 playback.
KEY FEATURES & PROPRIETARY TECHNOLOGIES
- 24-Bit Discrete R-2R Resistor Ladder Architecture: Utilizes four sets of 0.005% precision-matched resistor networks to deliver linear, low-distortion digital conversion with natural tonal presentation.
- Resistor-Ladder Preamplifier Volume Control: Rotary encoder controls a dedicated resistor-ladder attenuation network, providing volume tracking without the resolution degradation of lossy potentiometers.
- FPGA Processing & Dual Precision Clocks: FPGA signal processing paired with dedicated 45.1584 MHz (44.1 kHz family) and 49.152 MHz (48 kHz family) active crystal oscillators suppresses timing jitter.
- Extreme Sample Rate Support: Decodes up to PCM 1536 kHz and native DSD1024 via USB and dual I²S (HDMI) inputs, as well as PCM 192 kHz / DSD64 via Coaxial, Optical, and AES/EBU.
- Inbuilt Low-Noise Linear Power Supply: Custom O-shaped transformer with low-noise power management and a vibration-isolating tripod chassis design.
- Fully Balanced Analogue Circuitry: True independent left and right channel output stages available via XLR balanced and RCA single-ended connections.
SPECIFICATIONS
| Specification | Detail |
|---|---|
| Product Category | Discrete R-2R DAC & Preamplifier |
| Brand / Model | Garlubidor Phantom |
| DAC Architecture | 24-Bit Discrete R-2R Resistor Ladder Network |
| Resistor Precision | 4 Sets of 0.005% High-Precision Resistor Networks |
| Digital Signal Processing | FPGA-Based Processing with Dual Active Crystal Oscillators (45.1584 MHz / 49.152 MHz) |
| USB Interface Engine | Proprietary STM32F446 ARM-based USB Audio Platform |
| Volume Control System | Rotary Encoder with Resistor-Ladder Attenuation Network |
| USB & I²S Input Capabilities | PCM: 44.1 kHz to 1536 kHz | DSD: DSD64 to DSD1024 (Native) |
| S/PDIF & AES Input Capabilities | PCM: 44.1 kHz to 192 kHz | DSD: DSD64 (via DoP) |
| Supported Digital Inputs | 1 x USB, 2 x I²S (via HDMI), 1 x Coaxial S/PDIF, 1 x Toslink Optical, 1 x AES/EBU |
| Analogue Outputs | 1 x Pair Balanced XLR, 1 x Pair Unbalanced RCA (Separate L/R Channels) |
| Frequency Response | 20 Hz – 80 kHz (+1 / -3 dB) |
| Total Harmonic Distortion + Noise (THD+N) | 0.0035% (A-Weighted) |
| Signal-to-Noise Ratio (SNR) | 125 dB (A-Weighted) |
| Dynamic Range | 125 dB |
| Crosstalk | -115 dB |
| Power Supply & Voltage | Inbuilt Low-Noise Linear PSU (Custom O-Core Transformer) | Auto-selecting 115V / 230V AC, 50/60 Hz (20W) |
| Display & Interface | 2.23-inch Orange OLED Screen (132 x 64 Dot Matrix) | Front Panel Buttons & Rotary Encoder |
| Remote Control | Optional Solid Metal GRC-2 IR Remote Control (CR2032 Battery) |
| Dimensions (W x D x H) | 330 x 294 x 73 mm (Including feet) |
| Net Weight / Boxed Weight | 7.0 kg / 8.5 kg |
| Warranty | 24 Months |
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