Sovtek 6922
The Fisher 7189
Audio Research
E88CC Röhren
RFT EL34
AEG EL34
Electro
Philips 12AU7
Svetlana 6H13C
Philips E88CC
Philips 6CG7
General
Shuguang 300B
Philips ECG
RSD EL34
Siemens RS 1029
Philips ECG
Welter EL34-S
RSD EL84
Sovtek 5AR4
Hoges EL12 375
JJ Electronic
Gold Aero 6922
Siemens EBL1
Haltron ECC82
Telefunken
Mullard E88CC
Valvo ECC81
Audio Research
ECC82 Röhre
Golden Dragon
ITT Lorenz
GE 6550 A
Valvo PCC88
Siemens ECC82
Philips ECG
Shuguang 300B S
KR Audio KT88
Ultron ECC82
Siemens E88CC
Orion EL34 6CA7
Philips
Svetlana 6550 C
EAT 300B Röhren
Golden Dragon
National 6922
Angeschaut