GE 6550 A
Telefunken
The Fisher 7189
Valvo AZ1
RCA 2A3
Siemens ECC82
RSD EL84
ECC82 Röhre
Philips ECG
AEG ECC83 Paar
Philips ECG
Fullmusic 300B
Gold Aero 6922
Valvo ECC83
Orion EL34 6CA7
Orion EL34 6CA7
Welter EL34-S
Philips E88CC
Siemens ECH81
AEG EL34
Valvo ECC85
Telefunken
Ei ECC82 Paar
Valvo ECC81
Telefunken EL84
General
KR Audio KT88
Philips ECG
SEL Lorenz
National 6922
Svetlana 6H13C
Electro
Valvo PCC189
Ultron ECC82
RSD EL34
Audio Research
Electron EL-34
Siemens EL84
Ruby Tubes KT88
Philips ECG
E88CC Röhren
Telefunken
Golden Dragon
Shuguang 300B S
Hoges EL12 375
Mazda 12AT7
Angeschaut