Re: [Amps] 3-500Zs inverted

[Jim Hargrave <w5ifp@gvtc.com>]

Pete,

Aren't you glad you asked?...(:->

Jim w5ifp@gvtc.com
On 4/3/2014 8:19 AM, Pete Smith N4ZR wrote:
> I need to trouble-shoot my QSK system, which is built into my SB-220.  
> Will it do any harm to apply filament and plate voltages, but no 
> drive,  to the 3-500Zs in the inverted position for a few minutes at a 
> time?
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