E88CC Röhren
Hoges EL12 375
Telefunken
GE 6550 A
Fullmusic 300B
General
Haltron ECC82
Philips ECG
KR Audio KT88
Svetlana 6H13C
Telefunken
Ultron ECC82
General
Philips E88CC
Philips ECG
Siemens EBL1
Siemens E88CC
Gold Aero 6922
Telefunken
Valvo PL36
Valvo PCC88
Philips 6CG7
AEG ECC83 Paar
Audio Research
Sovtek 5AR4
ECC82 Röhre
Electron EL-34
Siemens RS 1029
Philips ECG
RSD EL34
Philips
Siemens ECC83
Welter EL34-S
RSD EL84
Valvo ECC83
General
Valvo AZ1
Shuguang 300B S
National 12AU7
Svetlana 6550 C
General
EAT 300B Röhren
Orion EL34 6CA7
The Fisher 7189
National 6922
Valvo ECC81
Angeschaut