TAD Tube Amp Philips ECC86 6DJ8 Röhren Amperex 6DJ8 Philips ECG Telefunken Telefunken Philips ECG Philips 12AT7WC Electro GE 12AX7WA 7025 Telefunken Philips ECC82 TAD Tube Amp Valvo ECC81 Philips 6CG7 12AX7 A 7025 Valvo ECC83 Lectron ECC83 E88CC Röhren Philips 12AU7 GE 12AU7A Paar Philips AEG ECC83 National 6922 Valvo E82CC RAM 12AX7 Paar Philips E88CC Sovtek 6922 Sovtek 6SN7GT Raytheon 12AZ7A GE 12BH7A Gold Aero 6922 Valvo ECC85 SEL Lorenz Telefunken Telefunken Sovtek 12AX7WC Electro GE 5751WA Paar AEG E88CC Westinghouse Standard Brand Haltron ECC82 Telefunken CV4003 Röhre