10 Vintage General Electric 30AG11 Premium Tube in Box - BangyBang Tubes. Sorry, our items are NOT available for pick-up. No additional information at this time. Matched Pair Sylvania/GE 5AU4/5V3 Full Wave Rectifier Guitar Amp.Matched Pair General Electric 5AU4/5V3 Full Wave Rectifier Guitar Amp. Matched Pair RCA/Philco 5AU4/5V3 Full Wave Rectifier Guitar Amp. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Parts & Accessories\Vintage Tubes & Tube Sockets". The seller is "bangybangtubes" and is located in this country: US. This item can be shipped worldwide.