Hallicrafters used the "PM" prefix (as well as the "R" and others) as speaker designations. The "PM" receivers are very collectible.
PM-8S 8" PM Speaker, 5K transformer, Steel Cabinet (SX-10/11/12/15). Production Year 1937-39.
qa
PM-12M
PM-12M 12" PM Speaker, 5K transformer, Mahogany Cabinet (SX-10/11/12). Production Year 1937-39.
qa
PM-12S 12" PM Speaker, 5K, Steel Cabinet (SX-10/11/12/15). Production Year 1937-39.
qa
PM-23
PM-23 12" 10" PM Speaker, 5K transformer, Steel Cabinet (SX-23/24/25/28). Production Year 1939-44.
Supplementary photos
This speaker was also produced by - Jensen
qa
