AEG E88CC Haltron ECC82 Valvo ECC83 Philips ECC82 JJ Electronics PrimaLuna 12AU7 GE 5751 Sovtek 12AX7WC AEG ECC83 Standard Brand National 12AX7A Philips E88CC Sylvania 6189W Golden Dragon CV492 Röhre Siemens ECC82 Hoges ECC81 GE 5751WA Paar 12AX7 A 7025 Ei ECC82 Paar Siemens E88CC Siemens E83CC Ultron ECC82 Westinghouse Lectron ECC83 Tesla E83CC Philips ECG Mazda 12AT7 Siemens ECC85 National 6922 Philips 12AU7 6N9P Röhren Philips TAD Tube Amp Electro Gold Aero 6922 GE 12AX7WA 7025 Telefunken Telefunken E88CC Röhren Telefunken CV4003 Röhre Sovtek 6922 Telefunken Philips ECG Philips