Stancor P-6456 Transformer

Stancor P-6456 is a vintage filament transformer built to power vacuum-tube filaments in mid-century electronics. In catalog references, P-6456 is described as a 6.3 V center-tapped filament winding with a 117/107 VAC primary, suitable for compact chassis installations in tube equipment. The unit is compact, with dimensions listed as roughly 3 5/8 in long by 3 1/2 in tall by 2 1/2 in wide, and an approximate weight around 2.0 lb. It is designed to supply the heater filaments for tubes in radios, televisions, test gear, and other vintage gear that require a stable 6.3 V heater supply. The center-tapped secondary configuration provides flexible connection options for common 6.3 V heater strings used in older tube designs, while the 117/107 VAC primary supports operation from standard mains variants. As part of Stancor's filament transformer lineup, P-6456 reflects the mid-20th-century emphasis on compact, multi-tap heater supplies for retro electronics and repair projects.