In Reply to: RE: "The Mellow Monster" Popular Electronics' 1962 version of H.F. Olson - Frank Massa 's Compound horn - few more posted by freddyi on March 12, 2019 at 10:55:44:
After World War II. The 1949 JBL D130 Qts was 0.25. Lansing was after the most sensitivity he could get, and he did, but I bet they were puzzled at the lack of low frequency response. Of course that was long before T/S, so it was understandable. They got a lot better all around results with the higher Qts they used in later generation woofers, while inadvertently coming up with a great musical instrument driver.
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- RE: "The Mellow Monster" Popular Electronics' 1962 version of H.F. Olson - Frank Massa 's Compound horn - few more - Bill Fitzmaurice 03/12/1912:43:23 03/12/19 (0)