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Dan's Blog

Dan's Reference System - Changes in 2022

Dan's Reference System - Changes in 2022

Over the course of the past year I continued to pursue the holy grail of absolute transparency. For me this describes a system that has crossed the...

PGGB, Noise Shaping and 24-bit Audio (Part 2)

PGGB, Noise Shaping and 24-bit Audio (Part 2)

This is part 2 of a series on PGGB technology. At the start of digital audio in 1980, Sony and Philips considered clinical measurements of our hear...

Hugo2 Endgame Bundle is Stunningly Good ...and less than $1500!

Hugo2 Endgame Bundle is Stunningly Good ...and less than $1500!

If you already have a desktop headphone rig based on a Chord Electronics Hugo 2 DAC and Windows source, you have the basis for the most affordable...

RF Isolation Elevates a High End System

RF Isolation Elevates a High End System

Thanks to Brandon B. of MN, USA. for trusting his ears and the science behind AudioWise products. Over the space of a several months, Brandon made ...

PGGB for Endgame Upsampling (Part. 1)

PGGB for Endgame Upsampling (Part. 1)

This blog is the first in a series on PGGB. The argument put forth from those who remain skeptical about the benefits of upsampling is that filteri...

A Pragmatic Endgame: Qutest to Headphones

A Pragmatic Endgame: Qutest to Headphones

Thanks to Atriya S., (USA) for these pics and system notes. Atriya has been able to extract the best from his Qutest DAC and headphones. "I love th...

The Ideal S/PDIF (Coax) Filter ...for Perfect High Resolution Digital

The Ideal S/PDIF (Coax) Filter ...for Perfect High Resolution Digital

The S/PDIF coax audio signal supports 44.1kHz to 384kHz sampling rate at 24-bits for an effective signal rate of about 50Mbps - or 100MHz of bandwi...

User Testamonial: Using PGGB to Tame DSD High Frequencies

Thanks to Waldemar P. (Germany) for this testamonial: I live in Germany in the Dusseldorf – Cologne area. I purchased a full license of PGGB-RT and...

How Speakers Make Sound

How Speakers Make Sound

Yes we all know how a loudspeaker works ...but this overview video does an excellent job of highlighing the engineering and physics involved. And t...

My New Speakers and Updated Reference System

My New Speakers and Updated Reference System

For the past 3 years, my critical listening was based on Focal SM9 monitors. Recently, I started looking for a passive loudspeaker setup that main...

PGGB Elevates Sound Quality with Improved Precision

PGGB Elevates Sound Quality with Improved Precision

Download samples below! PGGB 'perfect' resampling technology was launched a year ago and has made its way to hundreds of music lovers. I was a conv...

User Testamonial: CD Upsampling with PGGB-RT/foobar

User Testamonial: CD Upsampling with PGGB-RT/foobar

Thanks for Michael P. (USA) for this testamonial: I have a Windows PC laptop with 64Gbytes of RAM that is dedicated to my stereo system. Installed ...
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