Technical walk-through and demonstration of spark generation from my first dual resonant Tesla coil. I finished this dual 811A vacuum tube Tesla Coil back in late 2008, which dates this back 15 years by now! At the time I finished this coil, my best camera at the time, could only record in 640×480 with horrible […]
811A Vacuum Tube Tesla Coil + 1000 FPS Slow Motion Sparks Read More »
The previous owner of this Danish vintage oscilloscope had tried to plug it in and the only result was smoke! I was asked if I wanted it for repair or it would be thrown out. The Radiometer Copenhagen OSG 42b was repaired and saved! Radiometer is a Danish company from 1935, started by the engineers
Radiometer Copenhagen OSG 42b Oscilloscope Repair, From The 1950’ish Read More »
Teardown of the Agilent Markes UNITY Thermal Desorber. Which contains a cold trap (Peltier) and some very fine fluid mechanical parts. A thermal desorber is used as a part in the chain of machines used in Gas Chromatography. I have previously done a teardown of a temperature column for HPLC. The Thermo Scientific Dionex TCC-3000SD
Agilent Markes UNITY Thermal Desorber Teardown – Gas Chromatography Read More »
A talk about various power vacuum, radio or electron tubes, depending on what you like to call them. Triodes, Tetrodes and Pentodes in a range from 10 to 800 Watt plate dissipation. PL36, EL34, 6P45S, PB2/200, PB2/250, QB3/300, 250TH, QB5/2000, TG1-2,5/4 and TG1-700/25 2x 30W EL34 Amplifier: https://kaizerpowerelectronics.dk/audio/2x30w-el34-tube-amplifier/ 1x 50W 6P45S Amplifier: https://kaizerpowerelectronics.dk/audio/100w-6p45s-monoblock-tube-amplifier/
Power Vacuum, Radio and Electron Tubes – Isolation, Day 7 Read More »
The latest update to the 100 Watt 6P45S tube amplifier is about a lot of testing and fault finding that have gone into the tube amplifier. This is to correct noise and hum issues. It is now in a state where the audio amplifier itself is as stable as it will get. Further improvements lie solely on
100 Watt 6P45S amplifier update #2 Read More »
The latest update to the 100 Watt 6P45S tube amplifier is about the new printed circuit boards. The circuit boards was installed in the enclosure and a simple signal generator test was performed.
100 Watt 6P45S Tube Amplifier Update Read More »