I have these two old Fisher speaker boxes with one Fisher original speaker and the other had a really old replacement RadioShack speaker that broke. I couldn't find any information about these speaker boxes anywhere after trying to research them. I haven't found anything that compares, but they are genuine Fishers with old Fisher product numbers. I ended up just measuring the speakers and found them to be 8 inches. I saw them and read the reviews of the guys who built them in their old speaker boxes and jumped on board. It wasn't difficult to install and they sound pretty much like Fisher so I'm really impressed with them. I was afraid it would sound ridiculous, but it helped me. Good speaker!
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