[Boatanchors] Tube testing

[manualman at juno.com]

The KS-15560-L1 is electrically equivalent to the Hickok 539A. A quick
Google found this 539A roll chart from July 1953:
http://www.stevenjohnson.com/hickok/data/hickok-539a-roll-chart-7-1-53.pd
f
It has those tubes listed.

Pete, wa2cwa
http://www.manualman.com

On Sat, 06 Jul 2013 16:11:12 -0400 rbethman <rbethman at comcast.net>
writes:
> I don't put a whole lot of faith in the use of tube testers.
> 
> That having been said, I do have one of those that Hickok made for 
> Western Electric.  It is the KS-15560-L1.
> 
> Having just brought home an HRO-50T1, how can you fiddle around and 
> test 
> tubes that are NOT on the charts?
> 
> Ones such as 6J7 and 6K7.
> 
> (At the moment I'm pretty sure that there aren't any of these in my 
> 
> assorted collection to try to swap one in for one.)
> 
> Bob - N0DGN