Blog Entries

Silicon Shortages (Updated September 2021)
Update September 17 2021 The graph below is the mid-September update. Since July we've seen Digikey stock degrade further, by another 8% or so. However, note there's a slight uptick...
Silicon Shortages (Updated September 2021)
Update September 17 2021 The graph below is the mid-September update. Since July we've seen Digikey stock degrade further, by another 8% or so. However, note there's a slight uptick...

QA401/QA451 Review
The December 2020 of audioXpress features a very detailed and thorough review of the QA401 and QA451. Reviewer and acoustic engineer David Logvin concludes "If you are looking to save...
QA401/QA451 Review
The December 2020 of audioXpress features a very detailed and thorough review of the QA401 and QA451. Reviewer and acoustic engineer David Logvin concludes "If you are looking to save...

Release 1.920: Open Loop Testing
Release 1.920 adds open loop testing. Open loop testing is useful when you are testing devices that cannot accept a stimulus from the audio analyzer. For example, there's no way...
Release 1.920: Open Loop Testing
Release 1.920 adds open loop testing. Open loop testing is useful when you are testing devices that cannot accept a stimulus from the audio analyzer. For example, there's no way...

Sneak Peek: The QA402
Post by Matt In late October, a massive 82 hour fire destroyed AKM's ability to deliver their flagship ADC and DAC products to customers, and this included the AK4490 DAC...
Sneak Peek: The QA402
Post by Matt In late October, a massive 82 hour fire destroyed AKM's ability to deliver their flagship ADC and DAC products to customers, and this included the AK4490 DAC...

Audio over IP
There are several ways to move many channels of audio over a hundred meters. Most familiar to any that have worked in live sound is the humble audio snake. These are...
Audio over IP
There are several ways to move many channels of audio over a hundred meters. Most familiar to any that have worked in live sound is the humble audio snake. These are...

Using the QA451 with External Loads
Post by Matt One drawback of the QA450 was the fact that when the loads were disconnected, the output was muted. That changed on the QA451, and the measurement path...
Using the QA451 with External Loads
Post by Matt One drawback of the QA450 was the fact that when the loads were disconnected, the output was muted. That changed on the QA451, and the measurement path...