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I found an interesting new article on the famous Italian DIY magazine Costruire Hi-
Quality of audio articles faded. It’s very rare to find interesting sentences or results of experiments. Articles are mainly full of opinions, the trend is clear: all writers are the best audio designers in the world. All other writers or designers are wrong. No matter the topic.
Matti Otala was a great researcher. Yes, he did, he made really important considerations. Are we sure that after 30 years we must simply copy his work adding just a few marginal things? Electrocompaniet 25W was a great amplifier. It was. If you listen to it now, you can hear we can improve it. Please see the story here: http://home.online.no/~tsandstr/OtalaStory.htm.
Despite many experiments opening to other solutions, it was very strange to me to find on CHF #117 a very standard schematic, without ANY original solution, with high level of NFB and you read that it’s one of the best amp you can use all around! Great guy, we were waiting for you!