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S4 DAC in 2020

This year we did some changes to the S4 DAC.

Read about them >

 

 

Coronavirus pandemic

Thanks to everyone who wrote recently, asking about how the pandemic develops in Serbia, and how it affects the things with Audial.

For a little while, mostly in March and April, things worked slower than usual, but there was no real outage anyhow. And we, of course, process and ship every order.

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Introducing Asta

The Asta DAC came through many changes and iterations, so it was a lengthy process, but your patience will be rewarded: what we are coming with does not appear very often.

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The year 2020: Asta and way more

A new year is dawning, and we have a lot of good news to share.

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Firmware updates for USB interface boards

Firmware version 3.5 enables 352.8 kHz and 384 kHz support with TDA1541A simultaneous data or PCM1704 output.

Version 3.6 brings 4-channel functionality with I2S output. That way the USB board with firmware 3.6 and two stereo DACs can be also used as a two-way digital crossover.

These updates are available for download for both original, and Mk2 USB interface board version.

 

 

 

 

Binding posts

Premium version of Model A uses Audial made, real copper binding posts. Now, these are available for separate purchase.

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AYA 4

AYA 4 was a limited edition of famed AYA DAC, with 192 or 384 kHz asynchronous, optionally four-channel capable USB stage. It was offered both as a completed unit and in a DIY form.

Read more about the AYA 4 >

 

 

Another story about TDA1541A: 384 kHz

So, is it 384 kHz capable?

Read the story >

 

 

Back to the roots: 14 bits (of TDA1541A)

How much does the number of bits matter? TDA1541A distortion performance shows no practical difference between its regular 16 bit, and 14 bit “mode” of operation. When it comes to the ladder (“R-2R”) DACs distortion, it looks like everything is about converter accuracy. More bits improve only on S/N ratio.

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Transformer output coupling

Audial reference DACs offer the transformer output coupling possibility. These two articles describe the major differences between the transformer and more conventional capacitor coupling, as well as the different approaches to system grounding.

Transformer coupling pros and cons

Classic and transformer coupling: System grounding difference

 

 

Model A volume control

These articles bring more details about the ultimate volume control used in the Model A. The first of them describes the approach, and the second brings more information about cermet potentiometers.

Check them out.

Model A volume control

Cermet potentiometers

 

 

About Audial

Officially operating for 14 years now, Audial became well established among the audio devotees, and recognized for its unique products qualities.

We shipped the products to more than 40 countries so far.

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