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1 single 4cx800 tube with Power Supply Vacuum Tube Tester
2 Tube 4cx800 with Power Supply Vacuum Tube Tester GU74B
4cx800 RF Deck with Power Supply
4cx800 RF deck with Power Supply built in.. Has 2 GU74B tubes in this amp
Filament and Screen Transformer for 4cx800 gu74B tubes runs 2 tubes
Filament and Screen Transformer for 4cx800 gu74B tubes runs 4 tubes
GU74B Russian Vacuum tube 4cx800 one tube
single 4cx800 gu74b Vacuum Tube Tester RF Deck Only
