6072A RCA Twin Triode Tube. Special version of the 12AY7. Made with three pieces of mica, halo getter, and black anode plates. Tested on TV 7. MFR: GE. SKU: 6072-GE. New old
Electro-Harmonix 12AY7 Preamp Tube - AmpTubes for all your tube needs
6072A JAN GE 6072 12AY7 BLACK PLATE TUBE NOS NIB *eTRACER* | eBay
Tube-Town Store - EH 12AY7 / 6072
12AY7 / 6072 Dual Triode - Tone Tubes
12AY7 GENERAL ELECTRIC 6072A CV3650 VALVOLA DOPPIO TRIODO NOS/NIB
6072A RCA Twin Triode Tube. Special version of the 12AY7. Made with three pieces of mica, halo getter, and black anode plates. MFR: RCA. SKU: 6072-RCA. New old stock. No longer available for export.
Tube 12AY7 \ 6072 JJ Selected tube. Laboratorio Musicale