In article ,
AKSWL wrote:
Is there a soild state replacement for the rectifier tube 5U4 in a
HQ-145xc?

Seems I remember such a tube being available for around $20 from an
internet source.

You can make your own one with the socket from a bad tube, two 1N4007s,
and a power resistor.
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."