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 tube set for the Hammarlund HQ-160 receiver

$91.00
End Date: Wednesday Jul-27-2016 4:12:26 PDT
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HAMMARLUND SP-600 TUBE HOLD-DOWN CLAMPS + OTHER SMALL PARTS

$24.99
End Date: Tuesday Jul-26-2016 12:12:30 PDT
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HAMMARLUND MISC RADIO DIALS

$50.00
End Date: Tuesday Jul-26-2016 11:50:09 PDT
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ORIGINAL 1956 HAMMARLUND MODEL SP 600 JX INSTRUCTION MANUAL

$19.99
End Date: Tuesday Jul-26-2016 11:37:24 PDT
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Hammarlund Super Pro SP-600 Power Transformer

$0.99 (1 Bid)
End Date: Sunday Jul-3-2016 11:34:54 PDT
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NIB tube set for Hammarlund HQ-110-110A

$73.35
End Date: Monday Jul-25-2016 4:33:10 PDT
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KK VERNIER TUNING DIAL, COUPLER & HAMMARLUND CAPACITOR ! SW RADIO TRANSMITTER !

$50.00 (0 Bids)
End Date: Friday Jul-1-2016 21:12:52 PDT
Buy It Now for only: $75.00
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Hammarlund HQ 170 Ham Radio Receiver

$140.00 (0 Bids)
End Date: Wednesday Jun-29-2016 7:57:07 PDT
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A NIB tube set for your Hammarlund HQ170 & 170A

$74.70
End Date: Sunday Jul-24-2016 4:25:05 PDT
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Hammarlund NZ-10 Variable Air Cap Capacitor Ham Radio

$24.95
End Date: Thursday Jun-30-2016 12:38:05 PDT
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HAMMARLUND HQ-170 HF COMMUNICATIONS RECEIVER

$275.00
End Date: Friday Jul-22-2016 20:12:53 PDT
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DUST COVER 75A-4 Hallicrafters SX-101 Hammarlund HQ-180 Johnson Viking Valiant

$55.00
End Date: Friday Jul-1-2016 18:07:13 PDT
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BEST dust cover Hallicrafters Johnson Multi-Elmac Heathkit Hammarlund Drake

$75.00
End Date: Friday Jul-1-2016 18:07:13 PDT
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DUST COVER Hammarlund HQ-180 or HQ-170 or HQ-150 receivers

$55.00
End Date: Friday Jul-1-2016 18:07:13 PDT
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NIB tube set for Hammarlund HQ-129X receiver

$77.00
End Date: Thursday Jul-21-2016 11:03:57 PDT
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NIB NOS tube set Hammarlund HQ-100 HQ-100A

$64.50
End Date: Thursday Jul-21-2016 4:56:25 PDT
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Vintage Hammarlund HQ-170 Tube Ham Receiver, VERY NICE

$299.99
End Date: Wednesday Jul-20-2016 17:09:07 PDT
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Hammarlund HQ-180A Shortwave Ham Receiver Very Late Model

$550.00
End Date: Wednesday Jul-20-2016 9:57:06 PDT
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Vintage NOS Hammarlund MAC-10 Air Padding Condenser

$20.00
End Date: Monday Jul-18-2016 19:00:28 PDT
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VINTAGE HAMMARLUND HQ 110 HAM RADIO RECEIVER COMMUNICATIONS AMATEUR RADIO

$189.99
End Date: Tuesday Jun-28-2016 17:57:03 PDT
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Hammarlund SP-600 Band Tuning Unit -tuner, sub assembly.

$16.99
End Date: Monday Jul-18-2016 8:57:52 PDT
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Hammarlund SP-600 Tuner, Sub Assembly - in original paper case.

$18.98
End Date: Monday Jul-18-2016 8:57:28 PDT
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Hammarlund HQ-170 Receiver Cabinet / Case with Mounting Hardware

$80.00
End Date: Sunday Jul-17-2016 13:27:59 PDT
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Hammarlund SP-600: Army manual: TM 11-851 w/6 48" schematic »R²

$39.95
End Date: Friday Jul-15-2016 19:47:44 PDT
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Hammarlund SP-600: set of 4 Air Force manuals »R²

$25.95
End Date: Friday Jul-15-2016 19:47:44 PDT
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Original Hammarlund HQ-170 Vernier Tuning S-649 Knob w/ Red Arrow Indicator

$33.00
End Date: Thursday Jul-14-2016 17:28:59 PDT
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Original Hammarlund HQ-170 Receiver S647 Slot Frequency Knob w/ Arrow Indicator

$23.00
End Date: Thursday Jul-14-2016 17:11:53 PDT
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NIB tube set for Hammarlund HQ-150

$91.00
End Date: Sunday Jul-10-2016 6:33:23 PDT
Buy It Now for only: $91.00
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Hammarlund Ham Radio Parts - Transmitter Plate Tuner Control EF Johnson Viking

$25.00
End Date: Saturday Jul-9-2016 11:39:13 PDT
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Hammarlund HQ-170 Receiver Dials / Meter Trim w/ Mounting Hardware

$60.00
End Date: Tuesday Jul-5-2016 20:50:08 PDT
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HAMMARLUND Manual HQ-145 Communications Receiver

$25.00
End Date: Tuesday Jul-5-2016 17:32:16 PDT
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NIB tube set for Hammarlund HQ-145 145A & 145X receiver

$69.00
End Date: Tuesday Jul-5-2016 6:09:17 PDT
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Vintage Hammarlund HQ-100C General Coverage Receiver Ham Radio

$249.99
End Date: Monday Jul-4-2016 21:51:25 PDT
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NIB NOS tube set for the Hammarlund HQ-200 receiver

$51.00
End Date: Thursday Jun-30-2016 12:37:05 PDT
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Hammarlund HQ-129-X Receiver Ham Radio Untested

$190.79
End Date: Sunday Jul-10-2016 15:49:34 PDT
Buy It Now for only: $190.79
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