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- #HAMMARLUND SUPER PRO MANUAL#
- #HAMMARLUND SUPER PRO FULL#
- #HAMMARLUND SUPER PRO PRO#
- #HAMMARLUND SUPER PRO SERIES#
The company was based in Chicago, Illinois, USA.HistoryWilliam J Halligan founded his own radio manufactory in Chicago in late 1932. Hallicrafters - The Hallicrafters Company was a business that manufactured, marketed, and sold radio equipment. R-390A - The R 390A /URR is a general coverage HF radio communications receiver designed by Collins Radio Company for the US military.HistoryThe R 390A military shortwave radio receiver was the result of a project undertaken by the U. HistoryInstalled in almost all USAAF (and many USN, British and Canadian) multi engined transports and bombers… … Wikipedia Contents 1 History 2 Features 3 Models … WikipediaīC-348 - The B 348 is a compact American made communications receiver, which was mass produced during World War II for the U.S. National HRO - The original National HRO was a 9 tube shortwave general coverage communications receiver manufactured by the National Radio Company of Malden, Massachusetts, USA. HistoryThe first Hammarlund plant was a loft operation engaged in radio… … Wikipedia Hammarlund - The Hammarlund Manufacturing Company, founded by Oscar Hammarlund in New York City, New York, USA in 1910, initially designed and produced short wave radio equipment. *"Communications Receivers, The Vacuum Tube Era 1932-1981", 3rd Edition, by Raymond S. *"Series 200 Super-Pro by Hammarlund", undated. *Instruction Book for "Super-Pro" Radio Receiver (100-400 kc and 2.5-20 Mc), overprinted "Radio Receiver BC-779-A and Power Supply Unit RA-84-A", Undated, "Published by Authority of The Chief Signal Officer, Order No.
#HAMMARLUND SUPER PRO MANUAL#
*War Department Technical Manual TM11-866, 31 August 1943 "Radio Receivers BC-779-B, BC-794-B, and BC-1004-C and Power Supply Units RA-74-C, RA-84-B, and RA-94-A" One tuned from the low end of the broadcast band to 20 MHz, and the other started at 1250 kHz and went up to 40 MHz. ] Initially, two versions were manufactured. Total power consumption is about 180 watts. The main dial calibration is 1/2 of 1 percent of the highest frequency on each band. Claimed sensitivity is 1.0 to 1.7 microvolts on the LF and HF ranges.
#HAMMARLUND SUPER PRO FULL#
The radios are equipped with full bandspread on all except the 0.1 to 0.4 MHz bands, variable BFO, diode noise limiter, and 14 watts of audio output power. In addition to a 5 position single-crystal filter with variable phasing, the IF selectivity is continuously variable between 3 and 16 kHz. ] All the models are 18-tube (16 in the receiver, 2 in the separate power supply), single conversion superhets with 2 RF stages and 3 IF stages operating at 465 kHz. The Super-Pro was first offered in two basic models, one with, and one without, a crystal filter.
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The radio and cabinet weigh 73 pounds (33 kg) while the separate power supply adds another 57 to 61 pounds. Various models cover 0.1 - 40 MHz in 5 bands. In 1947 the SP-200 was superseded by the SP-600 Super-Pro receiver.
#HAMMARLUND SUPER PRO PRO#
Hammarlund produced the SP-400X Super Pro for the amateur radio market from 1946 to 1948. *SP-210-LX or BC-779-B (0.1-0.4 and 2.5-20 MHz) Īt the end of the war, the market was flooded with surplus Super-Pro receivers at bargain prices, which may be a reason many working examples of this model are still found today. Signal Corps and many other governmental departments, speaks for itself." The three basic models (there were additional variants and modifications) were: According to a November 1940 QST ad, "The fact that 'Super-Pro' receivers are used extensively by the U.S.
#HAMMARLUND SUPER PRO SERIES#
The SP-200 series ( Military designation BC-1004, BC-794, BC-779-B) saw wide use by the U.S. The Super-Pro receivers were manufactured through 1945, with many thousand delivered to the military during World War II. While designed as a communications receiver, Hammarlund promoted a home version in a console cabinet during the mid-thirties. In 1935, the Hammarlund Manufacturing Company introduced the first of the famous “Super-Pro” line after more than four years of planning and engineering: the SP-200 series, an 18-tube, single conversion superhet receiver.
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The Hammarlund Super Pro SP-200 series is an American made radio communications receiver also known as the military BC-779 which saw wide use in World War II.