Stk411-210e Datasheet !new!

Sanyo Electric Co. (later acquired by ON Semiconductor) designed a series of hybrid thick-film audio power amplifier modules for consumer electronics. The STK411-XXX family was intended for stereo systems, TVs, and mini-component hi-fi sets.

The is a thick-film hybrid integrated circuit primarily used as a Class H audio power amplifier, though it also appears in industrial power control and specific TV applications. Performance Review Stk411-210e Datasheet

It remains highly sought after for repairing vintage AV receivers and for DIY audio enthusiasts who prefer its "warm, musical" analog sound profile over modern Class-D alternatives. Sanyo Electric Co

If anyone has a clean PDF or can confirm: Stk411-210e Datasheet