SW1X DAC III Signature

SW1X Audio Design™ DAC III Signature Performance Level X D to A Converter


The Signature version of the DAC III is a limited production version of the DAC III Balanced with Silver wound Super HiB signal output transformers & most exotic materials everywhere. All in all, DAC III Signature is simply the most refined, analogue & musical sounding performance level X DAC ever made.

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SW1X Audio Design™ DAC III Signature Features:

  • Pure NOS (Non oversampling – zero digital domain filtering) Design
  • Limited Production, Specially Selected and Harmonically Matched Component & Material Quality
  • Balanced Signal Output Transformer de-coupled Valve Ouput Stage Topology
  • Orient Grain, Super HiB Double-C Core Signal Output Transformers are wound with Fine Silver
  • Zero NFB, Class A, 2 x EL84 Power pentode (triode connected) Valve Output Stage
  • EL84 Power Valve Output Stage is Hard Wired on a board made from Bakelite or Panzer Holz (tank armour material)
  • 3 x Orient grain Super HiB DC core Mains Transformers & Chokes in the Power Supply
  • 5U4GYB Directly Heated Valve rectified CLC (choke filtered) B+ Power Supply
  • Passive I/V conversion via a specially selected resistor with the shortest signal path directly connected to the tube grid
  • Discrete Transistor, Shunt Voltage Regulated Power Supplies of the Digital Circuit Board
  • Dynamic Element Matching (DEM) of the TDA1541 powered by an asynchronous E180F Valve Clock
  • Black Gate capacitors for TDA1541 and in the B+ Power Supply
  • Supports up to 24Bit/96kHz (optional up to 48 kHz only) digital coaxial S/PDIF signal input


Tube Compliment:  2 x EL84, 1 x 6N1P, 1 x 5R4/5U4GYB, 1 x E180F, 1 x EAA91


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



Dimensions: Height (mm) 150 x Width (mm) 450 x Depth (mm) 410

Weight (kg): 20

Max Power Consumption (W): 53

Output Noise, Unweighted (mVrms): < 0.5

Output Impedance (Ohms): <20


SW1X Audio Design Product Price List



We do not recommend purchasing a key system component without first auditioning it carefully, which is why we have demonstration rooms and a flexible home loan policy.

However in certain situations it can be difficult for people to get to our showroom and for those instances we can offer our mail order service.


SW1X Audio Design™ DAC III Signature is available on custom built to order basis only


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