Seeking Valves

[Nowhere-Man]

Then I joined the cathodes. I'm not sure what other people do in such a case with silicon rectifiers.

I suppose what makes the most sense is to get the rectifier valve now I know it works. Then just tidy up any wiring (the secondary cable shows gradual signs of fray so ought to be sleeved around that area).

I seem to remember that in another very long thread on the same radio you were advised to mount the diodes and resistor into an old valve base. Then when you do get the proper valve all you have to do is swap the silicon rectifier for it.

Mike

I probably will just get the valve and remove the silicon diodes. One way I could have done it is the same system used with the HMV I'm now working on. They used a perforated ladder so it's not a modern technique as would be the case with Veroboard. Another thing they did on the HMV is place two 3 amp fuses in neutral and live by the rectifier. I found the fuse holders were so rusted there was no connection at all in an Ohms reading but after cleaning it up, all was well.

I think the silicon rectifier was a step to see if the radio would work and I wanted to try it out to see how it performed. However, now would be a good idea to just get the valve. I've probably even got one somewhere in store if I dig about.