tube shields

[W Dean Milner]

At 2007-11-12 Monday 22:14 -0500, W5UQ wrote:

>Suggestions:
>Make sure SHIELD over 6CL6 and shield on driver 6cb6 or 6au6(cant remember 
>which tube) that shields are scraped and grounded to the ground pin.  Also 
>check the wire that goes through the chassis near the driver tuning 
>varible capacitor.  It can cause "oscillations" sometimes and only on some 
>bands.  Move it some to make sure it sticks through the chassis "just like 
>the manual says".

Surprisingly, When I got my SB401/SB301 many years ago there wasn't a tube 
shield to be found in them. Despite that they worked like  a charm. Guess I 
got lucky. I've long since found some tube shields as appropriate though 
their use has not seemed to make any difference.

73, Dean
VE1CBF
http://www.ve1cbf.ca

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