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.

Vintage Hammarlund MFG.CO.Cardwell,Allen,Johnson,Condenser,Capacitor,Variable

$25.00
End Date: Sunday Jan-14-2018 19:02:00 PST
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NIB tube set for Hammarlund HQ-129X receiver

$77.00
End Date: Sunday Jan-14-2018 4:45:45 PST
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Vintage CB Set Hammarlund Radio

$299.99
End Date: Thursday Dec-21-2017 0:12:42 PST
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FREQUENCY XTAL SECTION PARTS, Hammarlund Model SP-600 JX-26 military PARTING OUT

$49.99
End Date: Friday Jan-12-2018 19:55:50 PST
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T /R SWITCH FOR COLLINS,HALLICRAFTERS ,NATIONAL, DRAKE, HAMMARLUND + RECEIVERS

$68.00
End Date: Monday Dec-18-2017 16:43:57 PST
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Hammarlund variable capacitor Ham Radio Vintage MCD-35-SX

$27.00
End Date: Friday Jan-12-2018 4:43:25 PST
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Coil Forms 4 Pin Base NOS Hammarlund Bud

$44.95
End Date: Monday Dec-18-2017 8:35:29 PST
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New Vintage Hammarlund Ham Radio Variable Air Tuning Capacitor

$24.99
End Date: Sunday Dec-17-2017 13:08:31 PST
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Hammarland HQ-100 Short Wave Radio Tube Receiver

$149.95
End Date: Saturday Jan-6-2018 15:53:34 PST
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NIB tube set for Hammarlund HQ-150

$91.00
End Date: Saturday Jan-6-2018 14:29:13 PST
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PAIR HAMMARLUND FM 50A VHF RADIOS BASE STATION & MOBILE

$399.00
End Date: Saturday Jan-6-2018 13:01:53 PST
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Vintage Hammarlund HQ-110 Radio Receiver Communications Ham

$265.00
End Date: Saturday Jan-6-2018 12:58:40 PST
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DUST COVER Hammarlund HQ-180 or HQ-170 or HQ-150 receivers

$55.00
End Date: Saturday Dec-16-2017 17:44:22 PST
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DUST COVER 75A-4 Hallicrafters SX-101 Hammarlund HQ-180 Johnson Viking Valiant

$55.00
End Date: Saturday Dec-16-2017 17:44:22 PST
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BEST dust cover Hallicrafters Johnson Multi-Elmac Heathkit Hammarlund Drake

$75.00
End Date: Saturday Dec-16-2017 17:44:22 PST
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NIB tube set for Hammarlund HQ-145 145A & 145X receiver

$69.00
End Date: Thursday Jan-4-2018 6:04:03 PST
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NIB NOS tube set for the Hammarlund HQ-200 receiver

$51.00
End Date: Wednesday Jan-3-2018 12:45:37 PST
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Rare Vintage Hammarlund HQ-215 Receiver with Matching S-215 Accessory Speaker

$1,250.00
End Date: Tuesday Jan-2-2018 17:12:45 PST
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A NIB tube set for your Hammarlund HQ170 & 170A

$74.70
End Date: Thursday Dec-28-2017 3:58:16 PST
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Hammarlund SP-600: Army manual: TM 11-851 w/6 48" schematic »R²

$39.95
End Date: Wednesday Dec-27-2017 9:28:18 PST
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Vtg Hammarlund FM50A Ham Radio VHF Transceiver w Power Cord & Mic 35W 150-170MHz

$249.95
End Date: Monday Dec-25-2017 10:20:54 PST
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NIB NOS tube set Hammarlund HQ-100 HQ-100A

$64.50
End Date: Sunday Dec-24-2017 11:50:32 PST
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hammarlund 129x

$250.00
End Date: Sunday Dec-24-2017 10:38:37 PST
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Burlington T-9D Frequency Calibrator Tube Hallicrafters, Hammarlund, Ham

$25.00
End Date: Saturday Dec-23-2017 16:44:40 PST
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International 150Kc Frequency Calibrator Tube Hallicrafters, Hammarlund, Ham

$25.00
End Date: Saturday Dec-23-2017 16:44:40 PST
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NIB tube set for Hammarlund HQ-110-110A

$73.35
End Date: Saturday Dec-23-2017 12:03:11 PST
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HAMMARLUND HQ-129-X POWER TRANSFORMER

$85.00
End Date: Friday Dec-22-2017 5:56:45 PST
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Vintage Hammarlund HQ 170 Ham Tube Radio Award Winning

$299.95
End Date: Wednesday Dec-20-2017 17:19:36 PST
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NIB tube set for the Hammarlund HQ-160 receiver

$80.00
End Date: Wednesday Dec-20-2017 6:04:40 PST
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RF GAIN & BEAT OSC KNOBS from Hammarlund Model SP-600 JX-26 military PARTING OUT

$37.50
End Date: Saturday Dec-16-2017 15:07:12 PST
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Hammarlund S-200 Desktop Speaker Matching HQ-145 / 160 / 170 / 180 TESTED

$151.00
End Date: Monday Jan-1-2018 9:28:51 PST
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Hammarlund S-200 Desktop Speaker Matching HQ-145 / 160 / 170 / 180 CLEAN TESTED

$161.00
End Date: Monday Jan-1-2018 9:28:48 PST
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Hammarlund HQ-100 / 110 (Early) Replacement Can Capacitor by Hayseed Hamfest

$29.75
End Date: Thursday Jan-4-2018 6:49:53 PST
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Hammarlund HQ-145X Replacement Can Capacitor by Hayseed Hamfest LLC

$31.50
End Date: Thursday Jan-4-2018 6:49:53 PST
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HAMMARLUND SP-600JX XTAL HOLD-DOWN SPRING CLIPS - NEW MANUFACTURE

$30.00
End Date: Friday Dec-29-2017 7:18:54 PST
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