Vacuum tube amplifiers and home made speaker sets.
2W UCL82 SE tube amplifier
Introduction I got a very old TV from a colleague, it had been stored in his parents attic for almost 30 years. It was huge and ruined from the time it was stored, so he...
2x30W EL34 Tube Amplifier
Introduction Ever since building the 2W single ended tube amplifier, I wanted to build something better, something that is considered a good amplifier among tube amplifier enthusiast. It is in no way cheap to build...
Isophon BS35 loudspeakers
Introduction I started building a valve amplifier and thought to myself that I needed some proper Hi-Fi speakers from about the same age as the valve amplifiers was refined to the art it is today....
50W 6P45S monoblock tube amplifier
Introduction The main reason for building a new set of amplifiers came with purchasing a set of old studio monitors, the legendary JBL 4333. These 75 Watt speakers with 15" bass drivers needed a amplifier...
APX-100 Instrument To Audio Amplifier
The BEAG (Budapest Electroacoustic Factory) APX-100 is a successful product with a 1970s design that was a strong title from the domestic industry. Vacuum tube design for public areas or large rooms. Nominal output power...
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