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 NEW    Bruce Heran outlines the details and construction of his simple DIY 6DJ8 (ECC88) Tube Hi-Fi Headphone Amplifier Project.

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2SK1058-2SK1057-2SK1056-IRFP240-classA-Mosfet-Amplifier.png2SK1058 / 2SK1057 / 2SK1056 / IRFP240 Class A Mosfet Amplifier Schematic9793 viewsSchematic of Ivan's modified version of Mark's simple DIY 2SK1058 Mosfet Amplifier. This version uses a 12V / 20W light for the load resistor.
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DIY-Class-A-Mosfet-Amp.jpgDIY-Class-A-Mosfet-Amp6969 viewsThe fellows over at the Russian audio community datagor.ru have now built a small handful of Mark's simple DIY Class A Mosfet Amplifier project. See the schematic for more details about this build..
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DIY-Class-A-Mosfet-Amplifier.jpgDIY Class A Mosfet Amplifier6508 viewsAnother variation of Mark's 2SK1058 Mosfet Amplifier. Here is a photograph of the inside of this DIY 2SK1058 Mosfet Amplifier project.
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DIY-2SK1058-Class-A-Amp-Day.JPGSingle Ended Class-A Amplifier using 2SK1058 Mosfet6759 viewsOutside view of Sergiy's amplifier build. For more information, see the DIY Class-A Single-Ended 2SK1058 Mosfet Amplifier Project page.
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DIY-2SK1058-Class-A-Amp.JPG2SK1058 Class-A Amplifier - Inside View8546 viewsInside view of Sergiy's diy amplifier. This is the second version of the 2SK1058 DIY Class-A Single-Ended Mosfet Amplifier that has been built at the Russian audio community datagor.ru using light bulbs in place of load resistors.
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DIY-2SK1058-Mosfet-Amp-Inside.JPG2SK1058 Mosfet Amplifier - Inside9413 viewsSergiy Makharchuk build of Mark's simple DIY Class A 2SK1058 Mosfet Amp Project. Here Sergiy has used light bulbs in place of the load resistor. The enclosure is recycled from an old piece of physiotherapy equipment.





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DIY-2SK1058-Mosfet-Amp-Night.JPGDIY 2SK1058 Class A Mosfet Amp in the dark6392 viewsSergiy Makharchuk from Russia has put together a version of Mark's DIY Class A 2SK1058 Mosfet Amplifier. Here you can see it lit up in the dark.
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DIY-Class-A-Single-Ended-Amplifier-2SK1058-Mosfet.jpgDIY Class-A Single Ended (SE) Amplifier with 2SK1058 Mosfet10564 viewsImplementation of Mark's DIY Class A 2SK1058 MOSFET Amplifier Project. It was difficult to obtain good 10W non-inductive wire wound resistors, so a 12V 20W lamp was used in place of the load resistors. Like in ZenLite Amplifier. :)

Here is a link to more pictures of the amplifier.
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DSCF1556.JPGDual Mono Phono DIY Preamplifier8054 viewsDual Mono DIY Phono Preamplifier
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summer_2006_068.jpgDual Mono DIY Phono Preamplifier12783 viewsDual Mono DIY Phono Preamplifier
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John-DIY-Class-A-Mosfet-Amplifier.jpgSingle Ended Class A Mosfet Amplifier10622 viewsJohn's build of Mark's Single Ended DIY Class A Mosfet Amplifier.
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John-DIY-Class-A-Mosfet-Amplifier-inside.jpgDIY SE Class A Mosfet Amplifier - inside view19063 viewsInside view of John's DIY amplifier which follows Mark's Single Ended DIY Class A Mosfet Amplifier topology. For more information, see the project thread at diyAudio.com.
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Mark-DIY-Class-A-Mosfet-Amplifier.jpgZero Component Amplifier - Single MOSFet SE Class A14020 viewsThis is another shot of the ZCA. It shows how the PS and heat sink all fit into one good looking case. Most of the heat is generated by the load resistors which are forward of the amp and line-up with the breather holes of the case. For more information, see DIY Class A Mosfet Amplifier Project page.
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Mike-DIY-Class-A-Mosfet-Amp1.jpgDIY Class A Mosfet Amplifier - Back9974 viewsRear view of the amplifier build. The amp follows Mark's DIY Class A Mosfet Amplifier Project. More information and pictures are available here.
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Mike-DIY-Class-A-Mosfet-Amp2.jpgDIY Class A Mosfet Amplifier - Inside16198 viewsInside view of amplifier which follow Mark's DIY Class A Mosfet Amplifier Design. You can see the heavy duty power supply. For more information, see the build log.
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Mike-DIY-Class-A-Mosfet-Amp3.jpgDIY Class A Mosfet Amplifier - Front9340 viewsFront view of amplifier which was built follow Mark's DIY Class A Mosfet Amplifier Design. For more information, see my project page.
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SV100852.JPG175W DIY Solid State Amp Kit14817 viewsThough this amp is designed as a hi-fi power amp with very low distortion figures, I use it as a guitar amp due to it’s high power. The PS is rated at 500VA. It plays extremely loud and can deliver nearly 200W into 4 ohms.
     
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