Emerson 540A restoration

[bob91343]

I remember patronizing Walgreen's back in the early 1950s; it seemed like an old institution even then.

A pin drive speaker is, as I recall, a magnetic unit. The horseshoe magnet had an armature that was a thin rod, or pin, that connected to the center of the speaker cone, which was a complete cone down to the tip. I used to have one, back in the middle 1940s. (I told you I was old!)