GLA 20750  
Written by Accutron on 2017-05-02  

The GLA 20750 is spark gap tube of unknown specification. It was likely used in an overvoltage protection system in a high power transmitter.

GLA 20750 spark gap tube.

This article is part of the [Spark Gap Tubes, Trigger Tubes & Passives] exhibit.

©2000-2019 The Vintage Technology Association. All rights reserved.