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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
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6072A GE BLACK PLATE TUBE 6072 12AY7 NOS NIB NATIONAL LABEL *eTRACER* | eBay
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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