Short summary
A high-end R-2R converter with a fully balanced signal path from input to output. Precision resistor networks and buffered re-clocking keep distortion and jitter low, powered by a dual-transformer linear supply.
Key info
- R-2R ladder DAC derived from the previous Venus
- Fully balanced design
- Matched 0.005% precision thin-film resistor arrays
- Two power transformers
- Aether clock module w/ oven-controlled oscillators
- Adaptive FIFO buffering for low jitter
- PCM to 1536kHz and DSD1024 over USB and I2S
- Polypropylene capacitors in the power supply
- Switchable non-oversampling and oversampling modes
Specifications
| Weight | 11 Kg |
| Dimensions (HxWxD) | 320 x 330 x 80 mm |
| THD+N | <0.0025%(A) |
| Frequency response | 20-70KHz -3dB |
| S/N Ratio | ≥120dB(A) |
| Crosstalk | ≥-110dB |
| Maximum power consumption | ≤20W |
| DAC Type | Proprietary R2R + DSD Architecture, True balanced 26BIT R2R + 6BIT DSD (32 steps FIR Filters) |
| Dynamic range | >121dB |
| Power Supply | 100-240VAC, 50/60Hz (Worldwide Voltage) |
| Analog inputs | 1x RCA, 1x XLR |
| Digital inputs | 1x COAX (RCA), 1x COAX (BNC), 2x AES/EBU, USB B 2.0m, I2S (HDMI) |
Description
Reference-Level DAC with Exceptional Resolution
Engineered to exacting standards, the Denafrips PONTUS15th delivers outstanding musical resolution with ultra-low distortion. It processes digital signals through four sets of 0.005% precision R-2R resistor networks, ensuring an extremely low noise floor within the audio signal. Equipped with dual balanced AES, USB, coaxial, and optical inputs, it allows connection to a wide variety of devices including desktop or laptop computers, CD players, and network streamers. The inclusion of balanced XLR and standard RCA outputs ensures compatibility with many audio systems. The connectivity is designed for versatility and reliability. It also supports seamless integration into complex setups.
The DAC is optimized for high-end performance across all sources. It also ensures consistent signal quality regardless of input type. This makes it suitable for demanding listening environments. It also enhances overall system performance.
Fully Balanced R-2R Architecture for Pure Sound
Utilizing balanced R-2R ladder DAC technology, the PONTUS15th features a fully symmetrical resistor network configuration from input to output. Although complex and costly to implement, this design provides superior precision and extremely low interference levels. The balanced architecture ensures clean signal transmission. It also reduces distortion across the entire signal path.
This configuration improves channel separation and overall accuracy. It also enhances tonal balance and detail retrieval. The result is a more natural and transparent sound presentation. It also supports high-resolution audio playback.
FIFO Buffering and Re-Clocking for Jitter Reduction
All digital inputs are processed through FIFO buffering and re-clocked using an onboard CPLD crystal oscillator. This significantly reduces jitter to extremely low levels, minimizing dependence on the source device’s internal clock. The system ensures stable signal timing. It also improves overall audio consistency.
This technology guarantees uniform sound quality regardless of the connected digital source. It also enhances clarity and precision during playback. The result is improved timing accuracy. It also supports detailed and controlled sound reproduction.
Low Phase Noise Oscillator for Signal Stability
Equipped with a low-phase-noise oscillator, the PONTUS15th achieves high signal stability and an ultra-high signal-to-noise ratio. This improves clarity and detail while reducing unwanted noise and distortion. The oscillator enhances timing accuracy. It also ensures precise signal conversion.
This leads to cleaner and more transparent audio output. It also allows subtle details to be reproduced with greater accuracy. The system is designed for high fidelity. It also maintains consistent performance across all formats.
Advanced Power Supply with Dual Transformers
The PONTUS15th is powered by dual Denafrips custom O-Core transformers. Combined with ultra-low ESR capacitors and pure silver internal conductors, the super linear power supply delivers clean and stable energy to all circuits. This improves overall system efficiency. It also ensures consistent power delivery.
The dual-transformer design reduces interference between components. It also enhances dynamic performance and signal purity. The result is smoother and more controlled sound reproduction. It also supports high-end audio performance.
Premium Construction and Mechanical Isolation
Available in black or silver finishes, the PONTUS15th features an extra-thick 1.5 mm all-metal enclosure for effective electrical shielding and a premium build quality. The robust chassis enhances durability. It also protects internal components from external interference.
Cone-shaped isolation feet reduce vibration and improve sound clarity. This mechanical isolation enhances playback stability. It also contributes to a more accurate listening experience. The design combines strength with refined aesthetics. It also integrates seamlessly into high-end systems.

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