anyone use this in your audio circuit? in what stage?

[Wik]

 

[vinylkid58]

What is it, a BJT of some sort?

jeff

 

[Wik]

signal input maybe because small size

 

[lineup]

There is a transistor called HE8550

 

[Galu]

Thanks lineup!

"The HE8550 is a low voltage high current small signal PNP transistor, designed for Class B push-pull 2W audio amplifier for portable radio and general purpose applications."

https://alltransistors.com/transistor.php?transistor=54637#:~:text=UTC HE8550 PNP EPITAXIAL SILIC ON TRANSISTORLOW VOLTAGE,to 1.5A*Collector-Emitter voltage up to 25 V*Complimentary to