Posted in Admin's blog

EL84 Guitar Amplifier

Recently I’ve designed and built a simple yet very nice playing guitar amplifier. I’ve designed it keeping in mind that I don’t wanna distortion: it’s…

Continue Reading... EL84 Guitar Amplifier
Posted in Admin's blog

EL84 Holder 3D printed

I’ve made this cute 3D printed holder for EL84 tubes. It’s compatible only with western made tubes not Russians/Eastern block because holes  are 22mm diameter….

Continue Reading... EL84 Holder 3D printed
Posted in DIY

12V to 6kV High Voltage transformer

The primay power source in my home made X-Ray machine is an high-voltage high-frequency transformer. This transformer is drived by a Mazilli ZVS circuit and…

Continue Reading... 12V to 6kV High Voltage transformer
Posted in DIY

X-Ray dental film ECO 30

Hello! I’ve tested this “Dentalfilm ECO30” and “Ergonomix” with my improvised X-Ray machine. Them are self developing film for X-Ray imaging of dental implants etc….

Continue Reading... X-Ray dental film ECO 30
Posted in DIY

X-Ray machine V1

Finally I’ve made it! Yes, I’ve built an X-Ray machine for non destructive inspection of circuits and objects. The level of radiation generated by this…

Continue Reading... X-Ray machine V1
Posted in Crystal scintillators

CsI(Na) cutted and polished at home

June 2020. After some time searching around on the net for a scintillation material that I can shape at home, I’ve found a Dutch guy…

Continue Reading... CsI(Na) cutted and polished at home
Posted in Admin's blog

DIY Scintillation probe: 63x63mm NaI(Tl)

Some time ago I’ve won a 63×63 NaI(Tl) crystal for around 80€ at eBay. It is an SDN52 a special crystal designed to be heat…

Continue Reading... DIY Scintillation probe: 63x63mm NaI(Tl)
Posted in S-series

SI-31G geiger

This is the biggest geiger tube I have seen! I’ve bought one for 25€ at eBay. Glass tube, thermostable. Cathode: tungsten powder. Length of the…

Continue Reading... SI-31G geiger
Posted in DIY

Lead castle

A lead castle, also called a lead cave or a lead housing, is a structure composed of lead to provide shielding against gamma radiation in…

Continue Reading... Lead castle
Posted in Crystal scintillators Tests

OST 40x40mm NaI(Tl)

I’ve finally tested my brand new 40x40mm NaI(Tl) crystal from OST making with it a new probe for my lab. This time I’ve tested epoxy…

Continue Reading... OST 40x40mm NaI(Tl)