Philips 12AT7WC Telefunken 5814A E82CC Tungsram ECC82 Haltron ECC82 I.E.T. 12AZ7 JJ Electronics Mazda 12AT7 Philips ECC86 Philips ECG Siemens ECC81 Telefunken Siemens ECC83 AEG ECC83 Thorens ECC82 Ultron PCC88 Philips ECG Valvo ECC83 GE 5751WA Paar Telefunken National 12AU7 Philips Siemens E83CC TAD Tube Amp Valvo ECC83 CV4003 Röhre Valvo ECC82 Telefunken Siemens E88CC Ei ECC83 GE 12AU7A Paar National 6922 Tesla E83CC GE 12BH7A Raytheon Lectron ECC83 6N8P Röhren Gold Aero 6922 Valvo ECC86 Ei ECC82 Paar GE 12AX7WA 7025 Philips ECC82 Siemens E88CC Sovtek 6922 Siemens ECC85 Valvo PCC189