Part Number: 12ATWB (Electron tube) Part Number: 12ATXWG (No description) Part Number: 12ATY (Ne) Part Number: 12AU2 (Electron tube) Part Number: 12AU6 (Ne) Part Number: 12AU65TF4 (Ne) Part Number: 12AU6A (No description) Part Number: 12AU6HF94 (Ne) Part Number: 12AU6-JAN (Tube) Part Number: 12AU6VACCUMTUBE (Rca) Part Number: 12AU7 (Ne) Part Number: 12AU7A (Electron tube) Part Number: 12AU7A6189 (Ne) Part Number: 12AU7AE82CC (No description)