19-10-2014, 11:24 AM
Well I was right in terms of the recapping - it was a bit of a nightmare! Got it done in the end. The chassis is now up and running and the sound quality is most impressive given the bare bones nature of the design. I'm going to make a few mods to limit the startup B+ voltage. There is a current limiter in the series string so that starts up nice and gently. Since the rectifier is now silicon, the B+ comes up immediately and naturally overshoots as there is no current draw. It's within the limits of the valve specs for max plate voltage but with a set being almost 65years old I think it would be nice to limit the impact on the components in general. Once it reaches steady state all voltages are spot on and the meaty speaker gives a good account of itself. The set is seriously loud!
Once I get it back together I'll post a last few photos.
Cheers, John
Once I get it back together I'll post a last few photos.
Cheers, John
Time flies like an arrow, fruitflies like a banana!
