40 year old cracked Beech factory speaker on left. GM
speaker from auto junkyard on right. The hole locations in the speaker frames
The speaker is from late 80's Full Size GM Rear Wheel Drive
cars like the Oldsmobile Delta 88, Buick LeSabre, Chevy Impala and Pontiac
Bonneville/Catalina. It is approximately a 6" x 9" form factor speaker.