WIKI Section

The FAQ Pages:

The Main FAQ Section

The Colour Modules FAQ Section

The Product Comparison Articles:

DIYRE EQP5 Passive Equalizer vs EQ550P Valve Passive Equalizer Comparison Page

DIYRE CP5 Colour Mic Preamp vs MP568C Comparison Page

Louder Than Liftoff CHROMA VS MPQ568C Comparison

Louder Than Liftoff Pentode Colour Module vs Soviet Pentode


The Noisy 500 Racks with Switched Mode PSU

On this page, I will list the noisiest and worst 500 Racks… The influx of cheap, low quality 500 racks is a real problem for everybody. More and more manufacturers want to cash in on growing popularity of the 500 Standard. They are throwing the cheapest Switched Mode PSU hoping that no one will realize the scam!

As a manufacturer of the 500 Modules, I’m tired of being blamed for the somebody else greediness… I get more and more emails reporting all sort of noise issues which are caused by the PSU in the cheap 500 rack. This is a list of the biggest offenders on the market with some noise samples which I have gathered from my customers. Read More->


The DIY Articles:

Neumann V472 Microphone Preamplifier Modules – Racking Project

User Manuals

The list of User Manuals for HRK products.