My tubes collection
I collected some old tubes & new tubes:
EL34 series:
- Telefunken Diamond Mark
- Mullard/Valvo from Bonn Valve 4 ratings
6L6 series:
12 AT 7 series:
- Collins
- Heinz Kaufman
- Raytheon
- Old RCA
- Mullard
- Brimar
- Tungsol
- Phillips ECG
- GE
12 AU7 series:
- Collins
- Telefunken Diamond Mark
- Raytheon
- GE 6189
- Sylvania 5814
- Bonn Valve
- Phillips SQ
12 AX7 seies:
- old GE
- Sovtek 12 AX7 WA
- Sylvania JAN 1973
ECC88 series:
- Old Siemens
- Mullard
- Phillips SQ
GZ34
- Mullard
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Last Update: 06/01/98