New / Old Stock, Rocktronics 4.5" Round Speakers, 4 Ohm Impedance, 8 Watts, Vintage, Antique, Old School, Part Number 26-4/93 or 194581 or 12605C or 1B3D.  Each bid quantity is for a Lot of Two (2) Speakers.  You may bid / buy any number of lots, up to the total quantity available above.

These were purchased at an electronics refurbisher earlier this year, and they are brand new in the original bulk factory carton.  Google information is rather sparse for these, but we do know the company was into refurbishing old pinball machines and other arcade equipment.  Might be just the thing to replicate that original sound.

According to the calipers:

Diameter (frame width, excluding mounting ears):  4.683" / 118.95 MM

Overall Diameter (mounting ears, tip to tip):  5.198" / 132.02 MM

Cone Diameter:  4-1/4" / 107.95 MM

Mounted Depth:  1.705" / 43.30 MM

Mounting Hole Spacing:  3.421" / 86.89 MM