2017-06-11 13:54:04 UTC
One of my customers (an older lady) was enamored by a very ordinary old Philco AM radio that was kicking around my shop. I thought she'd be thrilled to have this as a gift so over the next week in between jobs I slowly recapped it, put in a new AC cord, checked and replaced the couple of cranky loctals, cleaned, lubed, and reset a couple of shorting gang sections on the tuner. Sounds like crap; low power and distortion when the volume is advanced beyond one quarter.
Yep, frozen voice coil. I mean zero movement. I used some acetone to dissolve the adhesive holding the dust cap to remove it and it looks like the pole piece is slammed to one side pinning the VC to the frame.
This really stinks because the speaker frame assy also locates the dial assy in the radio. The good thing is that I didn't get to restoring the cabinet.
More evidence that no deed goes unpunished!