https://www.audiokit.it/gb/nos-tubes-the-most-seached-ecc81-12at7-e81cc/293687-12at7a-e81cc-golden-dragon-nos-nib-3-special-selection-pair-v296-v297.html
ECC81_telefunken
telefunken
https://diyhifi.shop/audio-components-c-3/vacuum-tubes-c-10/us-european-nos-c-49/121-miniwatt-12at7-ecc81-p-1274
US European NOS | Vacuum tubes | Audio Components | 121 Miniwatt 12AT7 (ECC81) | DIY Hifi Supply
https://www.victoryamps.com/product/preamp-valve-ecc81-12at7/
Preamp Valve - ECC81 (12AT7) - Victory Amps
Apr 20, 2026 - A lower gain rating (60) preamp valve. Often used in the Reverb Driver, Tremolo Phase Shift Oscillator, or Phase Splitter positions.
preampvalvevictoryamps
https://www.erodriguez.com.mx/product-page/12at7-mullard
12AT7 ECC81 BULBO VALVULA MULLARD NUEVO MADE IN RUSIA | ElectronicaRodriguez
12AT7 ECC81 BULBO VALVULA MULLARD NUEVO MADE IN RUSIA
made inbulbovalvulamullardnuevo