The Meitner IDAT D/A Interpolation Algorithm

This interesting article (source: Stereophile) provides a good explanation about what’s special in Meitner’s IDAT interpolation algorithm and the way it’ said to be “capable of understanding music”. The article describes how the IDAT algorithm merges the effect of FIR (finite impulse response) and IIR (infinite impulse response) filters, by detecting which parts of the… » Read the full article

Stax SR-007 Quality Control Issues

All Stax are equal, but some Stax are more equal than others In this article, I want to expose the several differences among Stax headphone pairs. I won’t name sources, but information comes from Stax dealers across Europe, as well as other findings, experiments, among which I also was involved. One English company, selling Stax… » Read the full article

A Stax Enciclopedia: Wikiphonia

Wikiphonia, held by Faust3d, contains hundreds articles about various types of headphones and headphone related material. People can talk freely and add information about any type of headphones new or old, dynamic, isodynamic (aka orthodynamic) or electrostatic. The main focus of the wiki is on old out of production headphones such as Jecklin Floats, vintage… » Read the full article

Headphone Measurements

The ability to understand graphs is very useful to make a proper, objective idea to which to compare reviews from different sources. This is especially true for Headphones. InnerFidelity (run by Tyll Hertsens) provides very accurate graphs, taken with very high-end instrumentation. Frequency Response and Square Wave Response graphs for most Headphones – InnerFidelity A… » Read the full article

DAC Chips List

–>List Of All The Existing CD Players, DAC’s and Transports, and the Chips Used are the best of the single-bit Panasonic MN6476 – 1 bit MASH | MN64761 – 1 bit MASH _ | MN66271 – 1 bit, cheap, chip “all-in-one” MN662713 – 1 bit, cheap, chip “all-in-one” ————————————————– Pioneer: PD2026 – 1 bit cheap,… » Read the full article