Radio Tube UBL1
by tomelec - uploaded on August 24, 2012, 8:21 am
This is the schematic symbol of an old radio tube from the 1940´s. It´s the UBL1 Duodiode-Output Pentode.
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- Tags
- Elektronik duodiode electronic output pentode radio tube ubl1 tube vacuum
- Safe for Work?
- Yes
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