Thursday, June 4, 2026

Reviews

Hi-Fi

Multitest Record Cleaners – Degritter – ProJect – Okki Nokki

Jaap Veenstra - 2
With vinyl comes clicks, creaks and plops, right? Well... actually, not really. Admittedly, the noise floor of vinyl is higher than that of digital...

Grimm PW1 phono pre-amp – Where the Magic Happens

Naim CI-102 Custom Install amplifier – streamer

Review Mutec PSC 75 digital coaxial cable

Le Son LS10 phono MC cartridge

Background

Companies

Introducing PMC Prophecy – Arcam Radia Series

Jaap Veenstra - 0
PMC is actually a brand we all know. Both from their beautiful, professional speakers that countless studios use, as their beautiful models for consumers....
Network

Research – power supplies and filters on network switches

Jaap Veenstra - 13
Our research on the impact of a data network on sound reproduction never stops. Although some studies seem to be similar, the perspective is...

An update on our current projects

Audiophile fuses: does it make sense?

G’s reference – Fresh Blood 7

The absolute and ultimate guide to streaming audio network optimization

Video

Network

Sample Test – Four Power Supplies

Jaap Veenstra - 0
We have three lineair power supplies on the test bench. In this sample test, we test it on the Dlink DGS108 MK4 switch. We...
Accessories

Sample Test – QSA Veridion Discovery Series

Jaap Veenstra - 0
We compared two basic 'Amazon' Power cables. One is treated with QSA's Veridion technology. The other is just the basic stock cable... We are...

An Interview with the Phono Wizzard!

AlphaPodcast – How do we actually experience HiFi?

AlphaPodcast – Active versus Passive – where are we headed?

AlphaPodcast – How small can it actually get?



Alpha Academy

Alpha Audio - Haarlem - Netherlands