Re: Hacker Herald RP37A repair
I wouldn't use NOS Lockfits for anything. Remember a BC108/BC548 is exactly the same as a BC148 and will drop straight in. In fact any Si NPN general purpose type is likely to be fine.
I wasn't joking about ripping them out. I see so many failed Lockfits nowadays that they have become a change on sight item. They are normally cheap and easy to replace.
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