The NTE284 (NPN) and NTE285 (PNP) are silicon complementary power transistors in a TO3 type package designed for use in power amplifier applications.
Full spec sheet:
https://www.nteinc.com/specs/200to299/pdf/nte284.pdf
NTE285 PNP 180V 16A Audio Amp TO-3
SKU: NTE285
$13.39Price