3 hours ago
Thanks Paul, that is interesting. I will have to remember that when I get round to restoring it.
KT61 is very probable but the U50 confuses me as its a 5v heater of course and the EZ33 was 6.3v which is why I thought of using a 6X5G. I will have to check the transformer for a 5v winding.
Incidentally, why were most of the rectifiers of the period 5v? And why 6.3v and 12.6v, is there some magic reason?
Sam.
KT61 is very probable but the U50 confuses me as its a 5v heater of course and the EZ33 was 6.3v which is why I thought of using a 6X5G. I will have to check the transformer for a 5v winding.
Incidentally, why were most of the rectifiers of the period 5v? And why 6.3v and 12.6v, is there some magic reason?
Sam.
Boater Sam.
