| Telefunken NIB NOS 12at7 ecc81 Matched Pair tubes * |
| Telefunken NIB NOS 12at7 ecc81 QUAD tubes * |
| R C A 12AT7 Tubes |
| A394 MATCHED PAIR DUMONT 12AT7 ECC81 TUBES NOS |
| EIGHT 12AT7 Radio TV TUBES - |
| Fifteen RCA,Sylvania 12AT7,WA,WB,WC JHS,JRC Radio Tubes |
| 2 RCA Vintage USA Blackplate 12AT7/ECC81 Preamp Tubes |
| 2 NEW PHILIPS 12AT7 WC VACUUM TUBES TUBE ECC81 12AT7W |
| Pair of Telefunken 12AT7 (ECC81) Tubes |
| 2 - 12at7/ecc81 Sylvania Tubes Fisher Scott Matching |
| 12au6 6au6 12at7 6ak5 6al5 Vacuum Radio Tubes |
| 2 pcs NOS MULLARD M8162/12AT7 Audio Tubes Great Britain |
| 3 12AT7 tubes Mullard, Ratheon, Westinghouse |
| R C A 12AT7 Tubes |
| (2) Tung-Sol black wing 12AT7 tubes |
| 2 RCA 12AT7 ECC81 Vacuum Tubes - 1950's Audio PreAmp |
| STRONG MATCHED, PAIR 6201 12AT7WB USN 12AT7 TUBES |
| (3) Mullard made 12AT7/ECC81 tubes |
| 21 - 12AT7 Amplifier Tubes - GE, RCA,...All Tested Fine |
| 2 NIB NOS RCA 12AT7 ECC81 AMPLIFIER TUBES ORIGINAL BOXS |
| 2 12AT7 black plate vacuum tubes test very strong |
| (4) RCA black wing 12AT7 tubes |
| Ten used and tested 12AT7 Vacuum tubes |
| 5 NOS NIB JAN GE 12AT7 WC Guitar/Audio Tubes TSTD 6201 |
| 2 pcs NOS AMPEREX 12AT7/ECC81 Audio Tubes Made in USA |
| PAIR NEW MULLARD 12AT7/CV4024 TUBES ECC81 6201 12AT7WA |
| MULLARD 12AT7 ECC81 TUBES (NOS) MATCHED PAIR |
| 5 New Old Stock RCA -12AT7 Vacuum Tubes /Radio/Ham |
| Lot 12AT7 vacuum tubes - all tested |
| Matched Pair GE 12AT7 JG-12AT7WA 6201 Tubes - Milspec |
| Unique Pair of vintage General Elect ECC82 12AT7 TUBES |
| LOT OF 2- 12AT7 G.E. VACUUM RADIO TUBES ** |
| 4 NOS, NIB GE 5-STAR 6201/12AT7/ECC81 TUBES. TESTED |
| 12AT7 (x2) GE tubes matched [] GETTER test NOS ! |
| MATCHED RCA 12AT7/ECC81 NOS/NIB VAC TUBES |
| Lot of 3 RCA ECC81/12AT7 Preamp Tubes |