Hallicrafters produced a number of speakers as accessories for their products. Because many people did not purchase a matching speaker when they purchased their new radio, and because of how external speakers are often treated, a good Hallicrafters speaker is highly collectable.
R8T
R8T - 8" Speaker for SX-25. 5k matching transformer. Production year 1940-41.
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RA-48
RA-48 Headphones. Production year 1965-68.
See also link 1
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R-12
R-12 12" Speaker With 5K Xformer (SX-28) Wood. Production Year 1940-41.
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R-12T
R-12T 12" Speaker With 5K Xformer (DD-1, SX-16, 17, 18) Steel. Production Year 1940-41.
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R-42
R-42: "Reproducer" - 8" Hi-Fi Speaker With 5K Xformer (SX-42) Steel. Production Year 1946-48.
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R-44
R-44: 6" x 9" Hi-Fi Speaker With 5K Xformer (SX-43) Steel. Production Year 1947-48.
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R-46
R-46: 10" Hi-Fi Speaker With 5K Xformer Steel (SX-62, 71, 73, 88 etc.). Production Year 1950-54.
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R-46A
R-46A: Speaker 3.2 Ohm, same as R-46 but no transformer (SX-62A, 100, 101, 101A, etc.). Production Year 1954-55.
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R-46B
R-46B: Speaker 3,2 Ohm, same as R-46 but no transformer and cabinet 4" shallower (SX-62B, 96, 115, etc.). Production Year 1955-59.
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R-47
R-47: 4" Speaker in steel cabinet, 3.2 Ohm (SX-115, 122, 129, 130, 133). Production year 1960-69.
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R-48
R-48: Speaker 5"*7", 3.2 Ohm (SX-111, 140, etc). Voice/normal switch on rear. Production Year 1965-69.
See also link 1
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R-48A
R-48A: Speaker. Same as R-48 but voice/normal switch on front. Production Year 1970-72.
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R-50
R-50: 5"*7" Speaker, 3.2 Ohm (SX-129, 130, 133). Production Year 1965-69.
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R-51
R-51: 4"*6" Speaker, 3.2 Ohm (S-129, SX-130, 133). Mechanical digital clock. Production Year 1965-69.
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