09-01-2024, 12:30 PM
I don't know if this would help but there is a page about the model 89s, and the changes they made over the years they were in production.
https://philcoradio.com/library/index.ph...-model-89/
Regards
Arran
https://philcoradio.com/library/index.ph...-model-89/
Regards
Arran