SERVICEMASTER 12HL7 VACUUM TUBE 1960s MATCH PAIR NOS NIB BLK PLT SWEETTONE | eBay
12HL7 Sharp Cutoff Pentode Tube. Designed for service in color TV receivers. MFR: RCA, GE, Raytheon , ECG, CEI. SKU: 12HL7. New old stock. No longer available for export.