Marshall MB30 with blown output TDA2050

[Arbutt]

Hello all
I have a MB30 with a blown output chip. As you are aware the TDA2050 seems to be NLA One uk supplier has some but i am wary as possible chinese knock offs
Can i use LM1855 without any problems , I will have to order them either way
Straight swap or will i need to make changes
many thanks
Arbutt
mb30-60-02-iss3.pdf

[Jon Snell]

The LM1875 is a direct replacement.
https://uk.rs-online.com/web/cp/1025...252FNOPB&sra=p

The TDA2050 was designed and produced for car radio audio output stages as it has a slightly higher current capability. Now totally obsolete.