Offered is the 5-Inch PM type Alnico Speaker by All Star Products of Alliance Ohio, part no. 5PU8 (ER27). The speaker is clean and in good, working condition. The output transformer remains attached to the frame, its primary reads 819 ohms. The speaker makes loud pops and noises when battery-tested. Mounting holes are at 4-3/4 inches measured diagonally across the front. The magnet frame also has two mounting holes with screws at 3/4 inch on center. The speaker has a rust-free frame and good, clean paper cone. Pick up the speaker for your own restoration work. Mouse over the photo images to zoom in. NO RESERVE!! Thanks for looking.