Sale price$2,900.00

Model: SPX


On a special request of our customers, we are proud to offer the DAC I at its full glory with choke filtered and valve rectified power supply. This is a high performance 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.

SW1X DAC I Side shot

SW1X Audio Design™ DAC I SPX Features:

  • Pure NOS (Non oversampling – zero digital domain filtering) design
  • Selected and Harmonically matched Component & Material Quality
  • Based on 1x TDA1543 – one of the most musical and purist DAC chips ever made directly connected to CS8414 S/PDIF receiver
  • 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 (USB Optional Add-on)

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

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

SW1X DAC I Internals

SW1X DAC I Internals

SW1X DAC I Internals


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