I repaired a guitar amp that came in. We repaired TVs, radios, whatever. I distinctly remember those because they were heavy and the glass was thick.

I repaired a Philco tube TV with a rotating CRT. I don't have a right index fingerprint because I accepted a dare to discharge its flyback transformer using my digit.

House of the Rising Sone
Out in the mid or far field
Dedicated mid-woofers are over-rated