Specialising in vintage valve equipment restoration, where would we be without the trusted industry standard valve tester? I bought this in the early ‘8os for about £30 if I remember. If I had to replace it now, i would need to sell the house. Handy to have.
Trusted AVO valve tester
![](https://zeta-services.tv/wp-content/uploads/2019/05/avo-v-teste-small-1024x768.jpg)