| 3 Used 5U4 GB Radio Tubes Various Brands Lot 1 |
| SET OF 7 SEVEN 5U4GB 5U4 GB TUBES TESTED STRONG *LOOK* |
| 5U4 Tubes (pair) |
| 2 Hammond, Baldwin 5U4 GB vacuum tubes, 1 6C4 tube |
| NIB / OLD STOCK TUBE - SYLVANIA 5Y3, 2 USED 5U4 TUBES |
| Pair 5U4 GB RCA Tubes D Getter Black Plates Tested NR |
| 5U4 TUBES 3 ONLY |
| SIX NOS NIB GE 5U4GB 5U4 GB 5AS4A TUBES TEST STRONG |
| 5 5U4 GB Rectifier Tubes |
| TUNG-SOL 5U4-G AND 50L6-GT AMP TUBES - TESTED |
| R3 Three NOS RCA 5U4 GB Tubes |
| lot of vintage 5u4 , 5y3 , 5u4 , 5x vacuum tubes (28) |
| QUAD RCA 5U4 GB AMPLIFIER VACUUM TUBES ! NOS ! |
| ~ 2 x 5U4 GB AWV RECTIFIER TUBES ^ TEST HIGH ^ |
| ~ 2 x 5U4 GB MULLARD RECTIFIER TUBES ^ TEST HIGH ^ |
| Matched Pair ITT 5U4 5U4GB 5AS4A Tubes NOS? |
| Matched Pair GE 5U4 5U4GB 5AS4A Tubes NOS? |
| 12 No. 5U4 Vacuum Tubes Incl. 5 Shoulder All Test Strng |
| 5U4 Tubes (2) RCA |
| 4 X 5U4 GB 5AS4 A - RCA Excellent Tested Tubes |
| Strong Tested Pair Sylvania 5U4GB 5U4 Rectifier tubes |
| TUNG-SOL 5U4-G AND 50L6-GT AMP TUBES - TESTED |