Sony APM speakers

[EVBoy]

Are they really worth that much? Noaf.
https://www.ebay.com/itm/Vintage-So...197254?hash=item41ef737c06:g:4EoAAOSwuPZbsvUy

 

[Ds2000]

The 77ES and up sure are, but those are the true APM’s with four coil woofers. The 55’s and below are single coil with a weird assembly glued to the diaphragm and coil.
55ES woofer here.

77ES woofer here.