Amperex ECC88/6DJ8/6922 O-Getter. 100 available.
(2) Amperex Hewlett Packard 6DJ8 ECC88 Tubes O Getters Heerlan Holland Test NOS
1 pcs Amperex 6DJ8/ECC88/6922 Dimple Top vintage tube (Holland made)
It is genuinely made in the Netherlands and has excellent sound quality, surpassing all modern tubes.
Matched Balanced Amperex DuMont 6DJ8 ECC88 Tubes Matched Date Codes 1960 NOS
Matched Balanced Amperex DuMont 6DJ8 ECC88 Vacuum Tubes | O Getters | Matched Date Codes Δ0I3 Δ0I2 1960 Heerlen Holland. Tube 1 tests at 120/120 and tube 2 at 120/118 with 62 being the minimum score for a good tube (with 65% life remaining).
(2) Amperex 6DJ8 ECC88 Bugle Boys Preamp Tubes Δ5F3 1965 Tests Strong TV-7BU
(2) Amperex 6DJ8 ECC88 Bugle Boys Preamp Tubes | Heerlen Holland | Date Codes Δ5F3 Δ5E1 1965. Tube 1 tests balanced at 82/82 and tube 2 at 78/80 with 62 being the minimum score for a good tube (with 65% life remaining).