Sounds like they had some sort of Recoton wireless speaker, which obviously is self powered (hence only plugging into the wall). If this is the case, and their is a broadcast, hookup point, you may be home free.

You have my sympathy. I remember helping my parents select a decent sound system in the late 70's. After my mom, passed away, my Dad (who was hard of hearing) announced that he had replaced that "hard to use system", with a nice simple boombox, that he could carry from room to room. So much for sound quality.

[This message has been edited by 73Bruin (edited July 09, 2003).]
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Living Room 24x18 open 1/2 flight up to a raised dining room/hall 24x12
Outlaw 976 pre-pro running 5.1 system
Outlaw 750 for Artison Masterpiece LCR and 2 NHT SuperZeros rears
Velodyne Servo FX-1200
LG OLED65C8PUA via HDMI2 to/from 976 HDMI ARC
Roku Ultra
Samsung BD-D5500 BluRay
Amazon FireStick 4K to 976 Aux HDMI input for Amazon Music Ultra