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SW1X DAC I Digital to Analogue Converter Purist NOS r2r dac

SW1X Audio Design™ DAC I

Performance Level 1
Digital to Analogue Converter


With an elegantly simple design, SW1X DAC I is one of the most musical and purist NOS R2R DAC ever made. This is the best high-end entry level solution to a musical, organic & analogue sounding digital setup- just add an analogue sounding digital transport and re-experience your collection of music. 

Enthusiastic, transparent, and lively, with a rare purity, the DAC 1 is easy to like. In a world full of Delta/Sigma (bitstream) designs, the R2R DAC 1 is like a breath of fresh air
HiFi Advice

SW1X DAC I Purist NOS r2r dac

SW1X Audio Design™ DAC I Features:

  • Pure NOS (Non oversampling – zero digital domain filtering) R2R design
  • Selected and Harmonically matched Component & Material Quality
  • Pure Class A, Single Ended, Anode Follower, Zero Negative Feedback, RC (resistive loaded, capacitive de-coupled) Valve Amplification Topology
  • 6N6P Double Triode Driver Valve Output Stage
  • Valve rectified CLC (choke filtered) HV power supply
  • Discrete Transistor, Shunt Voltage Regulated Low Voltage Power Supplies
  • Supports up to 24Bit/96kHz digital coaxial S/PDIF signal input


Specially Selected and Harmonically Matched Component & Material Quality

  • M6 grain orient EI core Mains Transformer & Choke (SPX version)
  • Internally wired exclusively with our SW1X Magnum, Genesis and Opus conductors of various geometry (single strand or Litz)
  • AN Copper Foil in Oil signal de-coupling Capacitors (SPX version)
  • AB 1W non-magnetic Carbon film Resistors in selected places

Tube Compliment:  1 x 6N6P, 1 x 6X5GT or 5Y3




Digital to Analogue Converter (DAC) Products Overview


Note: Due to SW1X Audio Design’s ongoing research and development process, specifications are subject to change without notice.

SW1X DAC I Purist NOS r2r dac best dac

SW1X DAC I Purist NOS r2r dac

SW1X DAC I Purist NOS r2r dac


Dimensions: Height (mm) 130 x Width (mm) 335 x Depth (mm) 400

Weight (kg): 10.3

Max Power Consumption (W): 15

Output Noise, Unweighted (mVrms): < 0.5

Output Impedance (k Ohms): <1


DACs made by SW1X: The speciality of making great sounding designs


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