Valvo E82CC Telefunken Sylvania 6189W Valvo PCC189 5814A E82CC Standard Brand Golden Dragon Sovtek 6922 National 6CG7 Gold Aero 6922 Philips Siemens ECC81 Philips ECG Philips Sovtek 6SN7GT Philips ECG Telefunken Philips 6CG7 Tungsram ECC81 Valvo PCC88 GE 12AU7A Paar 12AX7 China Valvo ECC81 National 6922 GE 5751WA Paar 6DJ8 Röhren AEG ECC83 Paar Valvo ECC85 RAM 6DJ8 SEL Lorenz Ultron ECC82 Ediswan ECC81 Philips E88CC Tungsram ECC82 E88CC Röhren Lectron ECC83 Ei ECC82 Paar Philips ECC82 Valvo ECC83 PrimaLuna 12AU7 RAM 12AX7 Paar CV492 Röhre Haltron ECC82 6N9P Röhren AEG E88CC Telefunken