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.

NIB NOS tube set Hammarlund HQ-100 HQ-100A

$54.50
End Date: Monday Aug-31-2015 18:41:17 PDT
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RARE 1932-33 HAMMARLUND COMET PRO FULL COVERAGE RECEIVER.

$2,500.00
End Date: Monday Aug-31-2015 2:52:38 PDT
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Hammarlund Variable Capacitor 7.5 100 pf for Antenna Tuner Transmitter HV

$9.50 (0 Bids)
End Date: Friday Aug-7-2015 17:30:38 PDT
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NIB NOS tube set for the Hammarlund HQ-200 receiver

$51.00
End Date: Sunday Aug-30-2015 11:00:52 PDT
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NIB tube set for Hammarlund HQ-145 145A & 145X receiver

$69.00
End Date: Sunday Aug-30-2015 7:34:29 PDT
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Hammarlund APC-75 5-75pf capacitor.

$11.50
End Date: Saturday Aug-29-2015 18:40:19 PDT
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Hammarlund HQ-170-VHF Receiver Tube Ham Radio HQ-One Seventy ATTIC FIND as is

$245.00
End Date: Saturday Aug-29-2015 11:16:32 PDT
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BEST dust cover Hallicrafters Johnson Multi-Elmac Heathkit Hammarlund Drake

$75.00
End Date: Saturday Aug-8-2015 19:17:17 PDT
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DUST COVER 75A-4 Hallicrafters SX-101 Hammarlund HQ-180 Johnson Viking Valiant

$55.00
End Date: Saturday Aug-8-2015 19:17:17 PDT
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Hammarlund SP-600 JX17 Operation & Service Manual Reprint + Bulletin

$14.95
End Date: Friday Aug-28-2015 18:12:14 PDT
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hammarlund coil SP-600 L10/L17

$17.95
End Date: Thursday Aug-27-2015 21:18:08 PDT
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Hammarlund Variable Air Cap Capacitor .0005 MFD plus Dial Vtg

$89.00
End Date: Thursday Aug-27-2015 16:54:45 PDT
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Hammarlund precision variable capacitor 75 pf w additional Jackson drive 100:1

$35.00 (0 Bids)
End Date: Tuesday Aug-4-2015 14:12:16 PDT
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HAMMARLUND HQ-129-X VINTAGE SHORTWAVE HAM RADIO

$99.99 (0 Bids)
End Date: Monday Aug-3-2015 13:13:57 PDT
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Dust cover for Hammarlund HQ-180 or HQ-170 or HQ-150 receivers

$55.00
End Date: Tuesday Aug-4-2015 11:14:32 PDT
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Vintage NOS Hammarlund MAC-10 Air Padding Condenser

$20.00
End Date: Friday Aug-21-2015 14:56:00 PDT
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NIB tube set for Hammarlund HQ-110-110A

$69.35
End Date: Thursday Aug-20-2015 9:14:11 PDT
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Vintage Hammarlund HQ-129-X Ham Receiver #2

$175.00
End Date: Monday Aug-17-2015 14:23:23 PDT
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HAMMARLUND CV-090-B CV090B - 2.5-9pF - CERAMIC AIR VARIABLE CAPACITOR - GRC-9

$19.99
End Date: Monday Aug-17-2015 10:33:41 PDT
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Hammarlund HQ-180 Ham Radio Tube Receiver Shortwave AM SSB CW Parts Repair

$339.00
End Date: Sunday Aug-16-2015 10:01:06 PDT
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A NIB tube set for your Hammarlund HQ170 & 170A

$74.70
End Date: Saturday Aug-15-2015 19:52:31 PDT
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HAMMARLUND SP-600 JX-14 RADIO RECEIVER Mfg for the US Army Signal Corps as R274C

$775.00
End Date: Saturday Aug-15-2015 18:00:12 PDT
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Hammarlund Super Pro: BC-779-A, etc. manual »R²

$18.95
End Date: Friday Aug-14-2015 21:30:40 PDT
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Hammarlund SPC-10 manual w/44" foldout »R²

$15.95
End Date: Friday Aug-14-2015 21:30:24 PDT
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Hammarlund SP-600: set of 4 Air Force manuals »R²

$25.95
End Date: Friday Aug-14-2015 21:30:20 PDT
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Hammarlund SP-600: set of 3 Air Force manuals »R²

$19.95
End Date: Friday Aug-14-2015 21:30:16 PDT
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Hammarlund SP-600: Army manual: TM 11-851 w/6 48" schematic »R²

$39.95
End Date: Friday Aug-14-2015 21:30:13 PDT
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Hammarlund SP-600-JX-17: USAF AN 16-45-436 manual »R²

$13.95
End Date: Friday Aug-14-2015 21:29:28 PDT
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Hammarlund SP-600-JX-17: USAF AN 16-45-434 manual »R²

$16.95
End Date: Friday Aug-14-2015 21:29:24 PDT
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Hammarlund SP-110S series manual w/23" schematic »R²

$14.95
End Date: Friday Aug-14-2015 21:29:16 PDT
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Hammarlund SP-110L series manual w/23" schematic »R²

$14.95
End Date: Friday Aug-14-2015 21:29:12 PDT
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Hammarlund SP-110 series manual w/23" schematic »R²

$14.95
End Date: Friday Aug-14-2015 21:29:08 PDT
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Hammarlund SP-10 series manual w/foldout schematic »R²

$14.95
End Date: Friday Aug-14-2015 21:29:04 PDT
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Hammarlund RBG, RBG-1, & RBG-2 manual »R²

$14.95
End Date: Friday Aug-14-2015 21:28:56 PDT
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Hammarlund HX-500 manual w/19" schematic & mod add +++»R

$13.95
End Date: Friday Aug-14-2015 21:28:40 PDT
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