5x Philips Made EBL1 Tested Double Diode Pentode Power Output Tubes 3RDDP6

10 x Telefunken Philips Mullard Siemens EBF89 6DC8 Double Diode Pentode Tubes

4x EL84 Polam / Telam (E84L, 6BQ5) Output Pentode Used / Tested / Matched Quad

6P3S-E tube(-5881 -6L6GS) matched PAIR - Vacuum Longlife Pentode tubes - NOS

3 x Mullard, Tungsram EL33 KT61 6P25 Tested Power Output Pentode Vacuum Tubes

6P3S-E tube(-5881 -6L6GS) Matched QUAD - Audio Longlife Pentode tubes - NOS

10 Pcs. LOT 6F5P (6VG8, ECL85) NEW TRIODE PENTODE VACUUM TUBE NOS

6P43P-E ( ~ EL86, 6BQ5 ) - NOS - Soviet Military - tested - Pentode tubes