Vintage Telefunken AC701k Tube Date Code U 9006503 | eBay
Fisher/Telefunken 12AT7/ECC81 Vacuum Tube : Date Code EG ( 1962 ) | eBay
Telefunken NOS PAIR of ECC83 12AX7 tubes Berlin 1962 diamond matching date codes | Reverb
EMM801 Telefunken Germany NOS 1961 tuning eye
Telefunken Date Codes
Telefunken Tube Date Codes
EF86 Telefunken Germany <> bottom NOS gray shield 1972 pair
Telefunken 12AX7 Smooth Plate Tubes Labelled Fisher Diamond Bottom Matching Date Codes Photo #1781703 - US Audio Mart
Telefunken Date Code's
Telefunken NOS PAIR of ECC83 12AX7 tubes Berlin 1962 diamond matching date codes | Reverb
HALL OF SHAME, PICTURES OF FAKE TUBES
3 Vintage Telefunken ECC83 12ax7 Smooth Plate Pre Amp Tubes Same Batch Date Codes Photo #1991951 - UK Audio Mart
Telefunken Date Codes
Telefunken NOS PAIR of ECC83 12AX7 tubes Berlin 1962 diamond matching date codes | Reverb
EL84 Telefunken (pair, Berlin, with matching date codes) For Sale - US Audio Mart
EL84 Telefunken (pair, Berlin, with matching date codes) For Sale - US Audio Mart
Telefunken 12AX7 Smooth Plate Tubes Labelled Fisher Diamond Bottom Matching Date Codes Photo #1742718 - US Audio Mart
Telefunken Tube Date Codes
Available 14 Same Date Code Telefunken ECC81 12at7 Preamplifier Tubes Photo #3207825 - US Audio Mart
3 Telefunken 12AU7 tubes ribbed plates same date code Photo #1964241 - Canuck Audio Mart
Telefunken 12AX7 Smooth Plate Tubes Labelled Fisher Diamond Bottom Matching Date Codes Photo #1831806 - US Audio Mart
Identifying Vintage NOS Vacuum Tubes by Brand Country and EIA Code
Telefunken 12AX7 Tubes - Matched Date Codes | #139914316
Mullard, Philips, and Valvo Tube Codes
TELEFUNKEN 12AU7 ECC82 Matching Pair Low Noise Smooth Plates Tubes Test NOS - Pioneer Recycling Services
