[TowerTalk] Running 3-500Z in horizontal position

[amfone]

 Hit and miss or hit and hit Bert. They are not intended to be in the horizontal position, the inside of the tube it not made strong enough to stop the sag.

    On Thursday, October 8, 2020, 3:48:23 PM EDT, Bert <ve3nr at bell.net> wrote:  
 
 I'm working on restoring a SB-220 and need to have the amp on the side
in order to get access for measurements.

Would I damage the 3-500Zs running them in a horizontal position for a
short while testing and troubleshooting the amp? Sagging filament, causing
short, etc. Specs says vertical, base down or up! Thanks!

Bert VE3NR

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