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 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
Note: Due to SW1X Audio Design’s ongoing research and development process, specifications are subject to change without notice
Specifications
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
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More than half a year has passed since I had my DAC 1 Signature upgraded. Unfortunately I was not able to give it a really good listen till recently – was occupied with some other important things and had no much time for fun. Although my first impression was kind of modest, now, following a few months of listening, I really enjoy the sound and I’d like to thank you for dedicating your time to and being so patient with me. Switching to a tube preamp following your recommendations made a big difference and now I think about a decent SET amp and a pair of sensitive speakers to further improve my system.
Thank you for the great sound delivered by your equipment.
All the best to you and any success to SW1X Audio Design.
So what do we have? A nicely plain atheistically pleasing aluminium case with a single light in the front. But that’s only the outside. Open the lid and it’s clear inside we have something special almost akin to a piece of rather fine Jewellery, it’s all mapped out beautifully with fine quality components and wonderful silver wire and excellent soldering.
After 40 years of opening up hifi boxes and thinking is that all there is and I have payed a fortune for this!? this one really impresses.
The sound:
Being one for not rushing in on the sound of quality hifi I have been patient no end and honestly given this Dac a good six months run in, bearing in mind we have a myriad of black gate capacitors and other hand picked components it’s only fair to make an assessment after this amount of time and this Dac needs a ruddy long time to get to its best.
I can report a cd based system that honestly bats with most record players I’ve owned over the years but crucially we have more detail and a solid deep/real bass. Also must mention an exquisite mid treble which appears and then fades with a 3D like effect, all of this presented with faultless timing. Being a drummer in a previous life it’s great to have my music presented with the correct timing a rare commodity these days. All in all I made a no brainer purchase and mostly definitely recommend this Dac.
I am using this Valve Dac with a Cyrus CD T – CD player and for me it’s a perfect match!
