Valvo ECC83
Telefunken EL84
Golden Dragon
Ultron ECC82
Telefunken
Svetlana 6H13C
GE 6550 A
Valvo AZ1
RSD EL84
Philips ECG
National 6922
Welter 6550 A-S
Welter EL34-S
Fullmusic 300B
Telefunken
Hoges EL12 375
RCA 2A3
Golden Dragon
Ruby Tubes KT88
KR Audio KT88
Valvo PL36
Valvo ECC81
Gold Aero 6922
AEG EL34
Philips E88CC
Philips ECG
Telefunken
Electron EL-34
RSD EL34
National 6922
Siemens ECC82
Mazda 12AT7
Shuguang 300B S
ECC82 Röhre
Audio Research
The Fisher 7189
Audio Research
E88CC Röhren
Philips ECG
Orion EL34 6CA7
Telefunken
Golden Dragon
McIntosh KT88
Orion EL34 6CA7
Valvo PCC189
General
Angeschaut