Category Archives: Electronics

100 Watt output from 6P45S tube amplifier

The latest update to the 100 Watt 6P45S tube amplifier is the measurements of frequency response from square waves and bandwidth measurements. The prototype is now considered done as it has proved itself capable of outputting 210 Watt peak before … Continue reading

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6P45S tube amplifier prototype

I have completed building and initial testing of a new tube amplifier prototype using the Russian 6P45S tubes in the output stage. This prototype will be used for testing, tweaking and a way to perfect the amplifier before building the … Continue reading

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Royer induction heater – first test

This is the first test run of a royer induction heater running at 650 Watt, there is heavy voltage sag on the DC supply. The heated bolt is a M10x20mm. More to come when improvements are carried out. Read the … Continue reading

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Another TV lives again!

I received a broken 27″ LCD TV and repaired it. Read the whole article in order to see how it was done and how cheap it was done.

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2x 30 Watt EL34 tube amplifier done

After about 2½ years, the amplifier now is connected to the destined Isophon BS35 speaker set and fulfil my dreams of beig able to listen to the real tube sound. Read it all here:

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How to repair a LCD TV

In this article I show how I repaired a broken LCD TV. A few bad capacitors in the power supply is enough to ruin a large expensive TV. Read the article and gain inspiration to repair your own TV.

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The Spark Killer!

Salvaging electronics do not only work for supplying your hobby with cheap parts, also cheap laugh 🙂 Here is a on/off switch from a 1980’s transistor radio, having a capacitor across the AC terminals is not strange and will protect … Continue reading

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