Nice set of vintage 5963 tubes. Upgrade to 12AU7. D getters, Black Plates. Sale is for all 5 tubes. Properly tested on our Calibrated TV-7D/U Buy with confidence. We are very proud of our 99 % positive feedback. Please read it. We stock over 3,000,000 tubes. If you need something, please message us and we will send you an offer. Your tube(s) will be properly packaged to insure they get to you in good shape. Serving collectors and the trade since 1978 If you are looking to re-tube any kind of tube gear such as CB Radios, Ham Radios, Linear Amplifiers, HI -FI amplifiers, Guitar amplifiers, Preamplifiers, Compressors, Equalizers, Microphones, Industrial or Medical equipment, you can send us the make & model number and we will try and help you. We mainly stock Domestic brands such as RCA, GE (General Electric), Sylvania, Raytheon, TungSol and PentaLabs. We stock some We also carry european brands such as Amperex, Mullard, Telefunken and Marconi.
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