Hammarlund HQ-180

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The Hammarlund Manufacturing Company was founded by Oscar Hammarlund in New York City in 1910. The first Hammarlund plant manufactured radio components and was located on Fulton Street in lower Manhattan.. Their variable capacitor designs quickly became industry standards, and the company adopted the capacitorís schematic symbol as its logo. Hammarlund formed a partnership called Hammarlund-Roberts Co. in the mid 1920íspecifically to offer kits for AM Broadcast radios using Hammarlund parts.

Hammarlund-Roberts went out of business in 1931 and the Hammarlund Mfg. Co., Inc. introduced of the "Comet Pro", the first commercial shortwave superheterodyne receiver. Within five years, thousands of these receivers were in use at commercial radiotelegraph and radiotelephone stations, aboard ships and by amateur radio operators the world over.

After the Comet-Pro came an improved receiver, called the Super-Pro (the SP-200 series in 1936. Hammarlund expanded with the onset of World War II, with more than 2000 people employed at 14 different plants. It has been estimated that almost 90% of American wartime military electronic equipment employed Hammarlund capacitors. At the end of World War II, surplus Super-Pro receivers at bargain prices were readily available, which may be a reason why so many of these are still survive today.

In 1947, the SP-600 Super-Pro receiver, which surpassed the SP-200 in performance, was introduced. It covered 540 kHz to 54 mHz with a 0-100 calibrated mechanical band spreadand had provisions for optional crystal control of six selected frequencies. Also produced, was a VLF version, which tuned from 10 kHz to 540 kHz. The SP-600 receiver series was popular throughout the world for military, laboratory and commercial uses.

While Hammarlund was most famous for its amateur/short-wave receiver lines such as the Super Pro series and the HQ series (which includes the HQ-100, 110, 120, 129, 145, 150, 160, 170, 180, 200 and 215) it also produced a number of amateur transmitters. In 1960 the HX-500, a 100 watt, table-top, single-sideband transmitter was introduced.This rig also had FM and FSK transmission capability, along with the later HX-50. The HXL-1 was a compact linear amplifier introduced in 1964.

The company changed ownership often. In the late 1950s Hammarlund was sold to Telechrome. Then Telechrome sold out to Giannini Scientific. In the late 60ís the company was sold to the Electronic Assistance Corporation (EAC). The product line was either sold off in parts or phased out. The Cardwell Condenser Corporation purchased all remaining components, and in the early 1970s the Hammarlund factory closed. At the time of its demise, Hammarlund was among the very oldest producers of radio equipment in the United States.

More information on Hammarlund:
Wikipedia reference on Hammarlund
Ham Radio Museum - Hammarlund

Hammarlund HQ-180 EBay Bargains!

HAMMARLUND HQ-180A RECEIVER
HAMMARLUND HQ-180A RECEIVER
Ends in 2 Days 19 Hours 18 Minutes 27 Seconds
Current price: $250.00 (0 bids)
HAMMARLUND  HQ-180AX  TUBE  KIT
HAMMARLUND HQ-180AX TUBE KIT
Ends in 6 Days 12 Hours 24 Minutes 32 Seconds
Current price: $89.00 (0 bids)
Hammarlund HQ-180A Receiver Primo Tube Set 6AQ5
Hammarlund HQ-180A Receiver Primo Tube Set 6AQ5
Ends in 12 Days 3 Hours 33 Minutes 14 Seconds
Current price: $84.97 (5 bids)
Hammarlund HQ-180 Receiver Primo Tube Set 6AQ5
Hammarlund HQ-180 Receiver Primo Tube Set 6AQ5
Ends in 12 Days 3 Hours 33 Minutes 15 Seconds
Current price: $99.97 (1 bid)
Operating & Service Manual for Hammarlund HQ-1
Operating & Service Manual for Hammarlund HQ-1
Ends in 15 Days 10 Hours 46 Minutes 29 Seconds
Current price: $9.49 (0 bids)
DUST COVER   Hammarlund HQ-180 or HQ-170 or HQ-150
DUST COVER Hammarlund HQ-180 or HQ-170 or HQ-150
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DUST COVER 75A-4 Hallicrafters SX-101 Hammarlund H
DUST COVER 75A-4 Hallicrafters SX-101 Hammarlund H
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Current price: $55.00 (0 bids)
HAMMARLUND  HQ-180  TUBE  KIT
HAMMARLUND HQ-180 TUBE KIT
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Current price: $99.00 (51 bids)
HAMMARLUND  HQ-180A  TUBE  KIT
HAMMARLUND HQ-180A TUBE KIT
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Current price: $89.00 (30 bids)

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