Hammarlund Radios

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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 capacitor’s schematic symbol as its logo. Hammarlund formed a partnership called Hammarlund-Roberts Co. in the mid 1920’specifically 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 60’s 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.

Antique Vintage Hammarlund Communications Receiver HQ-180 HQ-One Eighty

$179.99 (0 Bids)
End Date: Friday Oct-7-2016 6:33:45 PDT
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(1) Hammarlund HQ-140-X Ham Radio Receiver Tuning Capacitors Assembly ORIGINAL

$50.00
End Date: Wednesday Oct-26-2016 17:09:54 PDT
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Hammarlund SP-600. IERC tube shields. Recaped. JX-26

$550.00
End Date: Thursday Oct-6-2016 12:44:00 PDT
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Hammarlund Air Variable Tuning Capacitor (10-150 pF) for HAM Radios

$24.95
End Date: Wednesday Sep-28-2016 18:15:13 PDT
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Hammarlund MCD-100-S Air Variable 2 Gang Capacitor (10-100 pF)

$24.95
End Date: Wednesday Sep-28-2016 18:15:13 PDT
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NIB tube set for the Hammarlund HQ-160 receiver

$91.00
End Date: Tuesday Oct-25-2016 4:52:12 PDT
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Hammarlund HQ-140 -XA Shortwave Radio Receiver Vintage Ham Radio

$175.00
End Date: Tuesday Sep-27-2016 20:46:20 PDT
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Hammarlund 11-35 pf HF HAM RADIO AIR VARIABLE CAPACITOR

$10.00 (0 Bids)
End Date: Wednesday Sep-28-2016 10:00:27 PDT
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NIB tube set for Hammarlund HQ-110-110A

$73.35
End Date: Sunday Oct-23-2016 6:50:39 PDT
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A NIB tube set for your Hammarlund HQ170 & 170A

$74.70
End Date: Sunday Oct-23-2016 6:50:02 PDT
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Vintage WORKING Hammarlund HQ-145 HF Tube Ham Radio Receiver

$140.00
End Date: Wednesday Sep-28-2016 4:38:50 PDT
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Hammarlund Super Pro Ham Radio Communications Receiver Vintage

$227.83
End Date: Friday Oct-21-2016 20:11:42 PDT
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Hammarlund HQ-110 HF Ham Radio Communications Receiver

$228.79
End Date: Friday Oct-21-2016 14:57:59 PDT
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AIR VARIABLE CAPACITOR by Hammarlund 440pf ceramic part # SC-655826

$29.95
End Date: Thursday Oct-20-2016 18:39:53 PDT
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Hammarlund "Super Pro" SP 200

$300.00
End Date: Friday Sep-30-2016 5:15:25 PDT
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BEST dust cover Hallicrafters Johnson Multi-Elmac Heathkit Hammarlund Drake

$75.00
End Date: Thursday Sep-29-2016 19:44:28 PDT
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DUST COVER 75A-4 Hallicrafters SX-101 Hammarlund HQ-180 Johnson Viking Valiant

$55.00
End Date: Thursday Sep-29-2016 19:44:27 PDT
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DUST COVER Hammarlund HQ-180 or HQ-170 or HQ-150 receivers

$55.00
End Date: Thursday Sep-29-2016 19:44:27 PDT
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NIB tube set for Hammarlund HQ-129X receiver

$77.00
End Date: Wednesday Oct-19-2016 15:31:59 PDT
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Hammarlund SP-600: Army manual: TM 11-851 w/6 48" schematic »R²

$39.95
End Date: Wednesday Oct-19-2016 11:41:44 PDT
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NIB NOS tube set Hammarlund HQ-100 HQ-100A

$64.50
End Date: Wednesday Oct-19-2016 6:03:10 PDT
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Burlington T-9D Frequency Calibrator Tube Hallicrafters, Hammarlund, Ham

$25.00
End Date: Wednesday Oct-19-2016 5:46:57 PDT
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Hammarlund Outercom FM-50A High Band VHF Transceiver Radio

$79.95
End Date: Sunday Oct-16-2016 15:52:12 PDT
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Hammarlund Amateur Shortwave Radio Receiver HQ-110C

$149.99
End Date: Friday Oct-14-2016 18:27:37 PDT
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(1) Hammarlund HQ-140-X Ham Radio Receiver Mixer Coil Assembly ORIGINAL

$25.00
End Date: Thursday Oct-13-2016 13:34:50 PDT
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(1) Hammarlund HQ-140-X Ham Radio Receiver Antenna Coil Assembly ORIGINAL

$25.00
End Date: Thursday Oct-13-2016 13:29:13 PDT
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NIB NOS tube set for the Hammarlund HQ-200 receiver

$51.00
End Date: Monday Oct-10-2016 4:49:11 PDT
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NIB tube set for Hammarlund HQ-150

$91.00
End Date: Sunday Oct-9-2016 16:00:22 PDT
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Burlington T-9N Frequency Calibrator Tube Hallicrafters, Hammarlund, Ham

$25.00
End Date: Sunday Oct-9-2016 5:34:05 PDT
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International 150Kc Frequency Calibrator Tube Hallicrafters, Hammarlund, Ham

$25.00
End Date: Sunday Oct-9-2016 5:32:12 PDT
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Vintage Hammarlund HQ-129-X Radio Receiver - AS IS See Details - Ham Tube

$99.95
End Date: Friday Oct-7-2016 14:44:56 PDT
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Hammarlund Four- 11 Modulator

$345.00
End Date: Monday Oct-3-2016 17:35:28 PDT
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Hammarlund Four- 20 Transmitter

$345.00
End Date: Monday Oct-3-2016 17:32:46 PDT
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HAMMARLUND SP-600JX XTAL HOLD-DOWN SPRING CLIPS - NEW MANUFACTURE

$28.00
End Date: Monday Oct-3-2016 16:54:12 PDT
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NIB tube set for Hammarlund HQ-145 145A & 145X receiver

$69.00
End Date: Saturday Oct-1-2016 4:14:40 PDT
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