Vintage Sylvania 5U4 GB / 5AS4A Recitfier tube Ib DFK Black Plates, Halo Getter
USD 12.50 USD
Specifications
| Brand | SYLVANIA |
| Type | Rectifier Tubes |
| Model | 5U4GB / 5AS4A |
| Country/Region Of Manufacture | United States |
It has the letters:Ib DFK printed on it.
Related Items
Westinghouse 12AL5 Tubes (25)
Lot 10 SYLVANIA/CBS Electronic Tubes w BOXES 4JH6, 5CZ5, 12BH7A, 5AT8 Etc
Matched Pair Sylvania 6922 E88CC Tubes Tested Strong 12500/12750 Hickok 539C
RCA 6AS7GA Twin Triode Tube NOS USA 1960s
One Heavy Duty Military JAN-CHS-5931 Tube, Rectifier, Sylvania
Pair RCA 6AU6A tubes, black plates, new old stock matched date codes MT = 1962
(1) NOS TELEFUNKEN 12AU7 ECC82 TUBES (TEST NOS)
HUGE Lot of Vintage Vacuum Tubes Various Brands Radio/TV Industrial. See Below