Jensen Manufacturing Co. Shipboard Announcing System Loudspeaker, Dynamic, Type IC/SBG-4J

Brass

Stock No. A17-L-91517-8501

Volts 70/50. Cycles 500-6000.  Watts 7.5

Navy Department Bureau of Ships 

Diameter of speaker is 12-1/2"  Top to bottom is 9-3/4"

There are 3 bolts that hold the speaker to the base and one is missing.  The 2 included stainless bolts bottom out before they tighten all the way up so I am guessing they are not the original bolts.  

Speaker is untested and is being sold "as-is"

Actual weight of loadspeaker is 22 lbs.