[R-390] Low Audio

[Joe Foley]

--- JMILLER1706 at cfl.rr.com wrote:

> Sometimes WD-40 or Deoxit and high-impedance tube
> circuits don't mix 
> well.  If sockets or wafers are soaked with the
> chemicals and absorb 
> them, they might form enough of a path to ground to
> degrade operation 
> until the stuff evaporates. 
+++++++++
WD-40 should be kept far, FAR away from your R-390 and
any other switches that operate on low voltage, it
leaves varnish on the contacts when it dries.

NOT GOOD!

Joe

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