| 8 Super Nice RCA 12AT7 ECC81 Tubes ! ! ! | $17.51 |
| 2 Matching ARS 12AT7 ECC81 Triple Mica Tubes ! SUPER! | $25.99 |
| Used Telefunken ECC81/12AT7, ECC82/12AU7, ECC86/6GM8 NR | $26.01 |
| 1 Tube ECC81 / 12AT7 MULLARD Square Getter 1957. Tested | $26.90 |
| 1 Tube ECC81 / 12AT7 BRIMAR BBC Valve Section. T. Mica | $6.00 |
| 1 Tube ECC81 / 12AT7 MULLARD/VALVO D Getter 1950s. Used | $5.00 |
| LOT 30 VINTAGE ECC81/12AT7/5814 EUROPEAN TUBES | $99.00 |
| 2 New Siemens ECC81+NOS+12AT7+6201+CV4024+CV455+A2900 | $26.00 |
| 4 ECC81 12AT7 PHILIPS MINIWATT EX EQUIPMENT USED TESTED | $6.94 |
| 5 BRIMAR 6060 12AT7 ECC81 EX EQUIPMENT USED TESTED | $5.80 |
| 4 MULLARD 12AT7 ECC81 TUBES EX EQUIPMENT USED TESTED | $6.11 |
| Six Fab 1964 Mullard ECC81 12AT7 Tubes for Tube Amps | $77.00 |
| AMPEREX 12AT7 ECC81 amp radio matched pair tubes. | $9.99 |
| 2 - National - ECC81 / 12AT7 - Double Stacked Tubes | $9.99 |
| Mullard - ECC81 / 12AT7 - Tube - Strong | $9.99 |
| NICE REAL OLD QUAD ECC81 12AT7 TELEFUNKEN PERFECT! | $80.00 |
| 2 Tungsol 12AT7 ECC81 tubes tested - lot A162 | $11.51 |
| 5 Sylvania 12AT7 ECC81 tubes tested - lot A156 | $6.51 |
| 5 Sylvania 12AT7 ECC81 tubes tested - lot A158 | $5.00 |
| 4 vintage Tungsol 12AT7 ECC81 tubes tested - lot A169 | $8.50 |
| 2 Tungsol vintage 12AT7 ECC81 tubes tested - lot A167 | $5.00 |
| 2 Tungsol vintage 12AT7 ECC81 tubes tested - lot A166 | $5.00 |
| 5 Vintage NOS RCA 12AT7 / ECC81 vacuum tubes | $40.00 |
| 1 6201 / 12AT7 / ECC81 BLACK PLATES GTR PREAMP TUBE | $5.00 |
| A VINTAGE AMPEREX/MULLARD BUGLEBOY 12AT7/ECC81 NOS | $24.99 |
| FIVE VINTAGE AMPEREX MULLARD 12AT7 ECC81 PRE AMP TUBE | $35.00 |
| Two Mullard 12AT7 ECC81 pre amp tubes | $34.90 |
| MULLARD 12AT7 ECC81 TUBES (NOS) MATCHED PAIR | $53.52 |
| Two 12AT7/ECC81 Telefunken Gray Plates Tested High | $27.00 |
| SIX VINTAGE TELEFUNKEN 12AT7 ECC81 PRE AMP TUBE | $41.00 |