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