I have been off for some years, had to cope with health and family issues, and after I had Corona, it rather stayed than went away, so Post-Covid took me three years ago. It was just last October, ...

TNT-Audio - weekly updated online HiFi magazine, free and truly independent (no advertising). TNT-Audio features listening tests, DIY tips and free projects, interviews, reportages, factory tours, a ...

A while ago I was in need of a new Phono Pickup Cartridge. Having stayed for a long time with such budget favorites as the Cambridge C-77 and a nice NAD 9100, I was not going to shell out for a Koetsu ...

In the first installment of this series we had a look at the noise generated at the output of a number of easy to build and cheap voltage regulators: single-chip series and shunt regs (LM317/337 and ...

Projects of solid state electronics such as amplifiers, preamps, DACs, phono preamps. Also a crash course on solid state power supplies.

The above schematic comprises almost anything you can put around the ubiquitous LM317 positive 3-pin regulator (LM337 for negative voltages, 117 and 137 military versions). The basic circuit dispenses ...

Projects for building HiFi loudspeakers and general articles on commercial speakers tweaking and upgrading.

My first ever review for TNT, now almost 2 years ago, was of the Anatek A50 integrated amplifier. I liked it so much that I had to write about it, which made me a reviewer. You can imagine that I was ...

Frequency response: Less than +/- 0.5 dB deviation 20Hz-20kHz Phase response: Less than 5 degrees deviation 20Hz-20kHz, or less than 2 degrees deviation 20Hz-20kHz, depending which Consonance/Opera ...

A while ago a friend pointed my interest to a tuning article for old style SME tonearms, a bronze knife edge bearing. As I have always been an afficionado of old SME tonearms, I wanted to give it a ...

I auditioned a number of CD-Players, before buying my CD-67 SE. I felt that of all the CD-Players in question (which shall remain unnamed) it offered the most music for the money. Having lived with ...

The most relevant cable in any system that is not using a monoblock amp positioned behind or near the speakers is the speaker cable. It tends to be the longest and has to carry the largest amount of ...