RFT EL34
The Fisher 7189
Audio Research
Orion EL34 6CA7
Shuguang 300B S
Sovtek EL34G
Sovtek 6550 WE
Electro
GE 6550 A
6CA7 EL34
RCA 2A3
GEC KT66
Siemens EL84
Audio Research
Hoges EL12 375
Edicron EL84
Svetlana 6H13C
Tung-Sol EL34 B
Philips ECG
RSD EL34
Svetlana 6550 C
General
Valvo PL36
Röhren 6n3C-E
Orion EL34 6CA7
TAD Tube Amp
Mullard EL34
Ruby Tubes
Electron EL-34
EAT 300B Röhren
Sovtek 6550 WA
Tube Audio Bonn
Welter EL34-S
Orion EL34 6CA7
KR Audio KT88
Philips ECG
Hoges EL12 375
Shu Guang
Ruby Tubes KT88
AEG EL34
Golden Dragon
Telefunken EL84
Fullmusic 300B
RSD EL84
Audio Research
Sovtek 5881
Angeschaut