Peter,

I overcame that little problem by getting my hands on some solder of different melting points.

If you need some low melting point solder let me know and I'll pop some in the post.

Cheers,
Simon.

[QUOTE=Peter Laidlericon;30821] You've got to be VERY careful soldering the cross wire because if the diaphragm plate gets just a nadger too hot (that's another of these peculiar Britishicon Army engineering/technical phrases), then the actual grat post solder melts too..... and then...........QUOTE]