Philips ECG
Hoges EL12 375
Audio Research
Svetlana 6H13C
Svetlana KT88
Tube Audio Bonn
The Fisher 7189
Ruby Tubes
Ruby Tubes EL84
Golden Dragon
Tesla E34 L
Sovtek 6550 WE
Edicron EL84
RFT EL34
Electron EL-34
Siemens EL84
Sovtek 6550 WA
RSD EL34
Shuguang 300B
McIntosh KT88
Sovtek EL34G
Valvo PL36
Hoges EL12 375
Shuguang 300B S
RSD EL84
AEG EL34
GEC KT66
Hoges EL84
General
Welter EL34
Telefunken EL84
Sovtek KT88
Orion EL34 6CA7
EAT 300B Röhren
Shu Guang
Orion EL34 6CA7
Electro
Welter EL34-S
Sovtek 5881
KR Audio KT88
Fullmusic 300B
Electron EL-34
6550 Röhre
Audio Research
GE 6550 A
Welter 6550 A-S
Angeschaut