Note that this is a discontinued product. You may want to visit the brand's page here to browse their newer products.
What reviewers think
Bloggers and YouTubers have tried this product—so we've summarized their strongest opinions below. Links to full reviews follow.
Product Strengths
- Musically engaging and thoroughly lyrical DAC
- Sounds rich and lush, even a little voluptuous with AES/EBU or S/PDIF inputs
- Becomes tighter, faster, more open and articulate, and highly expressive while retaining its seductive qualities when using USB input
- Provides a level of performance that is particularly hard to beat in its price class, especially when using the USB input
- Absence of noise due to Nixie tubes
Product Considerations
- Does not decode DSD, only converts PCM
- Can be a little laid-back in terms of midrange expression with AES/EBU or S/PDIF inputs
- If bass tightness is valued above all else, there may be better options
Comparisons (according to reviewers)
- vs Accuphase E600 DAC board—the Heléne DAC excels in refinement, fluidity, and flow, whereas the Accuphase does well in pacing, articulation, and dynamics
Takeaway: The Heléne DAC is a musically engaging and thoroughly lyrical product that provides great performance, especially when using the USB input. It is a great option to consider if one is looking for a rich and lush sound.
All
Heléne
reviews

Manufacturer details
- IC Chip Array: 8 R2R converters per channel using Analogue Devices AD1865N-K
- Output: 30Vpp output @ 0db 10Vrms
- Output Impedance: 50 ohms (balanced and SE output)
- USB input: Data rates up to 24/384KHz
- Dimensions: 500mm W x 430mm D x 165mm H
- Weight: 40kg
Brand highlights
Taking a step back to look at reviewers' thoughts of the brand's entire lineup—not just this product—what stands out most is the following:
- They employ a "zero feedback power gain stage" in their preamplifiers, utilizing a transformer-coupled super-triode design, which is unusual for tube preamps.
- Aries Cerat's Inverted Triode Technology departs from the design of traditional vacuum tubes by using an electron stream accelerated towards a wire-grid-like anode, offering performance benefits.
- Aries Cerat uses Multi-tap input transformers as the attenuation method for volume control, in addition to Nixie-Tube input and volume indicators behind a thick glass front panel.
- They incorporate user-adjustable bias, allowing listeners to fine-tune the sound to match their system and personal preferences.
Select products
Prestige Series
- Positioning: The entry-level lineup offering high-quality audio performance with accessible designs.
- Description: Delivers impressive sound quality through carefully engineered components. While it provides a solid foundation, it lacks the advanced technologies found in the higher-tier Reference and Signature Series, resulting in comparatively less refined audio reproduction.
Reference Series
- Positioning: Mid-tier products that introduce enhanced features and performance over the Prestige Series.
- Description: Incorporates improved circuit designs and higher-grade materials, offering a more detailed and dynamic listening experience. However, it doesn't include the proprietary Inverted Triode technology present in the Signature Series, which limits its ability to deliver the same level of sonic purity and realism.
Signature Series
- Positioning: High-end products featuring Aries Cerat's proprietary technologies for superior audio fidelity.
- Description: Stands out with the implementation of the unique Inverted Triode technology, providing exceptional linearity and low distortion. This results in a more natural and immersive sound compared to the Reference Series.
Limited Edition Series
- Positioning: The flagship lineup representing the highest level of craftsmanship and audio performance.
- Description: Features top-of-the-line components and exclusive designs, such as the dual-chassis configuration for improved isolation and power supply integrity. This meticulous engineering surpasses the capabilities of the Signature Series, delivering extraordinary soundstage and detail retrieval.
Our take on the brand
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Used
Aries Cerat
What if you spend more?
Our summary
Product Strengths
- The d1-triunity DAC is praised for its ability to reflect the core characteristics of music with purism and vibrancy
- The 'unity' architecture provides more presence, more contrast between the timbres and sizes of each instrument, more clarity, and at the same time more body and more dynamics—making the sound more realistic and natural
- Offers a richer, sweeter, fuller sound and a more spacious presentation compared to the d1-unity
- Achieves dynamic power, low-frequency depth, and punch with a skillfully engineered Class-A output stage providing double the voltage
- Transmits detail and nuance without sounding etched or bright, and provides great tonality, especially with acoustic instruments
Product Considerations
- The chassis is constructed from folded steel and the rear panel is of a thin gauge, which makes the external construction less substantial than some rivals
- Maximum resolution of 24-bit/192 kHz without the optional DSD module might be a limitation
Comparisons (according to reviewers)
- The d1-triunity brings improvements that make music sound more vibrant and alive, while offering a finer-grained view compared to the Totaldac d1-unity
- The d1-triunity provides universal compatibility in terms of voltage output, and advances the sonic performance aspect compared to the Totaldac d1-direct
Takeaway: The d1-triunity is an impressive DAC that effortlessly handles music and makes it emotion-tugging with crystallizing quality. It offers remarkable musical insight without sacrificing speed and clarity, making it a worthwhile addition to any high-end audio system.
Video review
Our take on the brand
Our summary
Product Strengths
- Notable focus and density to the midrange that is unparalleled compared to other DACs
- Exceeding naturalness and deep detail
- Top end is smooth, and the low end is present and provides a substantial foundation
- More precise, revealing, and dynamic presentation
Product Considerations
- The review unit lacked a USB input, only offering AES/EBU and S/PDIF over Coax as inputs
- Might not suit audiophiles who prize dry, bright, or hard-sounding digital audio
Comparisons (according to reviewers)
- Compared to solid-state DACs, the SW1X DAC IV Special has unparalleled focus and immediacy of dynamics, especially in the midrange
- Compared to the SW1X DAC V—the DAC IV has a more precise, revealing, and dynamic presentation
Takeaway: The SW1X DAC IV Special could be the answer if one wants to feel more emotionally connected to their music and escape the constant analysis of typical audiophile listening. It's designed to provide a musically engaging experience.
Video review
Our take on the brand
What competes at this price?
Our Summary
Product Strengths
- Known for analog-like qualities in dealing with transcoding zeros and ones
- Conveys low-level musical complexity and subtle spatial nuances that other DACs have difficulty with
- Produces voices that expand in three dimensions with a refreshing sense of presence, reminiscent of vinyl reproduction
- Returns energy to the music, instead of taking it away
- Reproduces details and anchor points with refreshing vividness, presenting the actuality with the least fragmentation of the sound image
Product Considerations
- A single-ended into a balanced pre configuration caused occasional static, making image difficult to discern during those moments
- Clarity could be improved on very complex choirs and instruments, and more separation would also be beneficial
- The attack on drums is slightly slow—perhaps medium paced—compared to some DACs
Comparisons (according to reviewers)
- Compared to CH Precision C1.2 DAC, the DAC III is more emotionally involving, while the CH Precision sounds markedly cooler, flatter, and more emotionally restrained
- Compared to aqua acoustic quality Formula xHD, the Formula xHD retrieves detail, bass precision, articulation, and transparency better, while the DAC III is airier, more fluid, and more refined
- Compared to Holo Audio May, the attack on drums is slightly slow—perhaps medium paced—and behind the Holo Audio May as well
Takeaway: The SW1X Audio Design DAC III Balanced has a musicality that makes it worth considering. It expresses music in a way that is closer to analog, with a natural transparency and higher degree of contrast.
Video review
Our take on the brand
Our Summary
Product Strengths
- Surprisingly technical, with resolution on par or better than anything else heard at its price point
- Conveys the time of music extremely well, notably with exceptional leading-edge portrayal and high resolution/micro dynamics
- Offers excellent timbre
- The internal streamer presented better clarity in the bass
Product Considerations
- With signals above PCM 24 bits and 192 kHz, the converter down-samples the signals
- DSD signal is converted internally to a PCM signal, since the R2R resistor ladder is a 24-bit circuit
- Treble compensation may be needed for optimal sound, or to lower excessive treble energy
Comparisons (according to reviewers)
- Versus Totaldac d1-tube DAC/Streamer, the d1-unity offers greater clarity, voice, and impact, providing a more fully resolved picture
- Versus Mola Mola Tambaqui DAC, the d1-unity offers more body, tone, and texture, whereas the Mola Mola emphasizes upper frequencies a bit more
- Matches the resolution and dynamic presentation of the Chord Dave
- The internal streamer is marginally better than the Sonore Optical Rendu
Takeaway: The d1-unity is a good option for those seeking an engaging and high-resolution digital source. It is especially suited for listeners who appreciate a physical and vibrant presentation of music.
Video review
Our take on the brand
Questions? Ask the brand's dealers.
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