Totaldac
d1-unity
Introduced 2023$12,500 MSRP
Designed and built in France by Vincent Brient, the d1-unity is a discrete, non-oversampling R2R DAC using 100 hand-selected 0.01%-tolerance Vishay Bulk Metal Foil resistors per channel, sold direct and through a small dealer network with all repairs and upgrades handled personally by the designer — the definition of small-batch, direct-order manufacturing. It entered Totaldac's current "Unity" architecture generation, succeeding the earlier d1-six/d1-dual lines, and has been reviewed by multiple specialist outlets including Positive Feedback and Twittering Machines.
MSRP
$12,500
Used market · Good
$5,750
-54% vs MSRP
as of Sep 1, 2026MSRP to used market
From $12,500 at launch to $5,750 today.
Specifications
- Clock
- Proprietary embedded clock with anti-jitter FIFO memory
- Weight
- 7 kg
- Topology
- Discrete non-oversampling R2R ladder DAC, one ladder per channel with 100 × 0.01% VAR Bulk Metal Foil (Vishay) resistors per side
- Enclosure
- Aluminium and PMMA enclosure with pure copper anti-vibration plate
- Dimensions
- DAC unit: 110mm H × 360mm W × 290mm D; external power supply: 65mm H × 122mm W × 180mm D
- Output stage
- Fully discrete Class A transistor output stage; new "Unity" architecture with improved clock distribution and lower R2R supply-rail impedance
- Analog outputs
- Unbalanced RCA (3.5Vrms max) and balanced XLR (7Vrms max), with digital volume control usable to drive power amps directly
- Digital inputs
- Asynchronous USB (XMOS) up to 192kHz, coaxial RCA up to 192kHz, AES/EBU up to 192kHz, Toslink optical up to 96kHz
- Power consumption
- 14.2W @44.1kHz, 16.5W @192kHz
- Supported resolution
- 16–24 bit, 44.1/48/88.2/96/176.4/192kHz PCM; optional DSD via DoP on coax/AES/USB
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