Audio Research
Sovtek 6550 WA
V.A.L. 300B
McIntosh KT88
Orion EL34 6CA7
EAT 300B Röhren
AEG EL34
Valvo EL34
Siemens EL84
Shuguang 300B S
Philips ECG
RCA 5881
Sovtek KT88
RCA 2A3
Fullmusic 300B
JJ Electronic
Sovtek EL34G
Audio Research
Telefunken EL41
Welter EL34-S
The Fisher 7189
Electro
Tube Audio Bonn
6550 Röhre
Electro
EL34 Röhren
Fullmusic 300B
RSD EL34
GEC KT66
General
RSD EL84
KT88 Röhre
Golden Dragon
KR Audio KT88
Valvo E84L
Electron EL-34
Svetlana 6H13C
Gold Lion
Hoges EL12 375
Shuguang 300B
Svetlana 6550 C
Ruby Tubes E34
Philips ECG
Audio Research
GE 6550 A
Shuguang 300B
Angeschaut