Using DirectFET from IRF for DIY amplifiers

The new series of FETs from International Rectifier called DirectFet, are not really DIY friendly

Look at the comparison between a normal TO-220 stle of MosFet, here IRF640 that I have used in my 400W amp. Besides is the tiny IRF6785 DirectFET which should we good for the same kind of amp size!!!


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Hi-Fi & Sourround Copenhagen 2009

The yearly Hi-Fi show in Copenhagen was held last weekend (Nov. 14-15). The show is held at the Scandic Hotel and covers the ground floor + 1 and second floor. The rooms used at the 1. and 2. floor are normal small hotel rooms, so only a very limited number of people can listen at

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Just saw an advertisement in the UK magazine Hi-Fi world, of the new MIT cables.

I’ve always wondered what was inside all those boxes you see on very expensive and exotic cables.

I don’t have much good to say about expensive cables, as it’s a lot of snake oil and BS to me. To

Read more … MIT MA-X BS