SW1X DAC II Balanced

PCM56 DAC with Active I/V EL84 Valve Output Stage & Signal Output Transformers

Expanding upon the DAC II standard, number of PCM56 R2R DACs in the DAC II Balanced is doubled to 4 pieces (2x per channel).

Similar to the DAC III Balanced, DAC II Balanced comes equipped with a EL82/EL84 power tube output stage. The step up in transparency over the standard version is provided by a signal output transformer (OPT) de-coupled power tube output stage driven by the active I/V conversion stage for an even more dynamic bite.

Also available in Balanced Special version with 6V6 tube output stage similar to the DAC IV.

SW1X Audio Design™ DAC II Balanced Features:

• Performance Level 2/3
• Pure & Elegant NOS (Non oversampling – zero digital domain filtering) R2R Design
• Digital side is based on 4 x PCM56 (2x per channel) R2R DACs
• Balanced (& Single Ended) Signal Output Transformer de-coupled Valve Output Stage Topology
• EL84 Power Output Tubes, Zero NFB, Class A, Valve Output Stage
• Active I/V conversion via a special transistor (with less than 10 Ohm input impedance)
• Discrete Transistor, Shunt Voltage Regulated Low Voltage Power Supplies
• 5U4GYB/5R4GYB Directly Heated Valve rectified CLC (choke filtered) B+ Power Supply

Specially Selected and Harmonically Matched Component & Material Quality

• Specially treated SW1X Audio Design 80% Nickel Mumetal Core Intefrace Transformer
• SW1X Audio DesignCopper wound M6 EI core Signal Output Transformers
• M6 grain orient EI core Mains Transformers & Chokes
• Internally wired exclusively with our SW1X Magnum, Genesis and Opus conductors of various geometry (single strand or Litz)
• AN Copper Foil in Oil interstage signal de-coupling Capacitors
• AB 2W non-magnetic Carbon film Resistors in selected places

Tube Compliment

2 x EL82

1 x 5R4GYB

USB Version

The DAC II Balanced also comes with USB version that can be integrated in the DAC on special request.