We collect prices paid by real hams over the years to help you estimate the value of a used hammarlund hq 129x. The hq120 was truly ahead of its time when first introduced in december, 1938. View and download hammarlund hq 170 instruction and service information online. Hammarlund radio schematics west florida components. The receiver worked fine when i received it, very sensitive, smoothsounding, stable, and easy to tune. Hammarlund ham radio receivers for sale in stock ebay. The biggest and best ham radio classifieds on the web.
Included in the appendices are lists of manufacturers and drawings of basing diagrams for the fets discussed in the book, for those who wish to. This feature of calibrated band spread, including a 300degree readout scale, was an. Hammarlund hq105tr instruction sch service manual download. The worldwidedx radio forum was originally established in 2001. I traded my hq 170 for it originally for nostalgias sake, with an eye on am performance. Foreign orders are welcome thanks to the ebay global shipping program, but your.
Hammarlundroberts, how to build the fivetube receiver 1925. In spite of living within sight of nearly every new york am transmitter wabcs tower was close that we could hear its audio in our kitchen toaster, i logged more than 800 am stations on my 40svintage hammarlund hq129x receiver, which is still in storage at my sisters place. Hammarlund hq 129x sign in or register to add photos. The first input filter capacitor is not quite big enough to get rid of all of it. Most of the schematics we have on hand are for radios from the 1920s 1930s. My hq 129x schematic shows a threeterminal strip, with two terminals marked a and one marked g.
A good schematic and alignment service manual is a must. Given the positioning of the rectifier in the hq 129x, a good idea. Note that all of the front panel markings on this hq 129x, like the one shown above, are in white. Winter of 2000 i finally fired up an old hammarlund hq129x 11tube receiver. The hq 120 was actually a scaled down super pro, similar to the bc775, bc1004, and bc779.
Some people go up to 100 uf for the input section, but this is asking for a lot of the solid state rectifiers in the a version. When i received my ham radio licence in 1959, hammarlund receivers were my dream. Everything you need to know about the hammarlund hq 140x receiver and more in one video. Nov 27, 2016 everything you need to know about the hammarlund hq 140x receiver and more in one video. Be prepared and able to communicate in case of emergency with the largest selection at. But that is what they were, only a dream as the canadian input duty tax put even the lowest cost hq 110 beyond my reach. Brands book lists the hq 129x at 52pounds and the manual does not give any weight. Hammarlund put the same quality into their low end hq 120129 as they did their top of the line sp200400 models, hence the excellent shielding and overall construction. Frankly, the hq 129x is about average for receivers of that vintage where weight is concerned. An earlier panel style had the hammarlund name and the hq 129x model number in redorange with all other front panel marking in white. It is the 1946 red letter edition, wholly stock with original knobs. General coverage receiver hq150 amateurr hammarlund mfg. One can help but notice the dramatic dynamic range drop off on the higher bands and a quick study of the schematic shows the likely reason.
On 160 and 80 meters the receiver operates in dual conversion mode and v3 is operated as an amplifier. Based on historic data, todays secondhand price of the hammarlund hq 129x is around. This site is dedicated to the hobby of ham radio, antique radio collecting and restoration, culture, local events in charleston, sc. Hammarlund was most famous for its amateurshortwave receiver line. It uses eighteen tubes and has special circuitry and controls that you wont find on consumer radios. In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff. If you have a single wire antenna, like a longwire, connect the center a terminal to the g terminal, and your antenna to the other a terminal. It had been recapped, although i think it must have been done many years ago, as the new caps are yellow astrons. I have the service manual and am following directions. Hammarlund hq 180ac communications receiver 1966 this hammarlund hq 180ac radio was designed for serious shortwave and ham listening. The hq 120x designation appears in advertising from august 1939 forward.
Inc new york, ny, build 19461953, 3 pictures, 11 tubes, united states of america, schematics. Grounding a hammarlund hq129x antique radio forums. It was the bottom of the hammarlund line, the entrylevel model if you will, but is light years ahead of similar products from hallicrafters and some of the other manufacturers. Hammarlund superpro vs racal ra 17l on cw beacon duration. It doesnt butcher the radio either, just unplug and replace with a 5u4 for show, and use the copper cap for go e. We have over brands models available for email delivery. It is similar in performance to the earlier relatives of the hq 129, the hq 120x, hq 140x, hq 150. Buy, sell, trade hf and vhf equipment, towers, antennas, rotators and more. There is a lot of very interesting, useful software around for use with the rx320. I am now accepting new manuals for inclusion in this archive.
The line running up from r48 is connected to the top instead of the bottom of the s4 switch. Hammarlund hq110a instruction and service information pdf. These manuals are available for download and free of charge. The difference between this radio and the hq 180 is the 180 has a third if at 60 kc, and is very sharply selective. Hammarlund hq129x short wave am radio repair manual. I was never really impressed with the hq 170 as an am receiver, although it was great for ssb and not too bad on cw. Manuals for hammarlund this is the manuals page for hammarlund. The hammarlund hq 100 general coverage receiver tunes medium wave and shortwave in four bands. Schematics of antique radios category is a curation of web resources on, atwater kent home page, mauritron technical services. Hammarlund radio schematics schematics for antique and vintage tube radios are available in jpg format. This unit is often found with larger, usersupplied, tuning knobs. General coverage receiver hq 150 amateurr hammarlund mfg.
Early production featured the hammarlund name and model in red lettering. Built near the end of the great age of tubepowered boatanchors. Let us know what you traded it for and help other ham operators. We welcome the rochester makerspace to our news from area clubs section of the rag. The front panel of the hq 129x pictured below is the older twocolor style. Some late production units had black lettering for the name and model number.
There are louvers on both sides that give some support for handling but no handles or cutouts. Inc new york, ny, build 1946 1953, 19 pictures, 12 schematics, 10 tubes, united states of america. These 1946 repair and service information photofact booklets cover various specifications, schematics, diagrams, exploded views, dial cord drive routing, parts list and descriptions, resistance values etc. In 1945, when the hq129x was sold on the postwar market. I have owned my hammarlund hq 129x now for about two years. For its time, in the early fifties, i think this model represents the ultimate in quality of design, material, workmanship, ease of maintenance, simplicity and coolness for a single conversion shortwave receiver. Most units had all the front panel labeling in white. Vingage, circa 1946 hammarlund model hq 129x short wave am radio repair manual. A correction to a mistake in hammarlund s alignment procedure. Hammarlund hq129x ohio university faculty and staff websites. Am using a verified precise and calibrated frequency generator keypad digital entry.
View and download hammarlund hq 110a instruction and service information online. Antique radio forums view topic hammarlund hq 129x power. The terminal marked g is chassis ground and should be connected to a good earth ground. Hammarlund hq 170 and hq 180 receivers normally have some hum with the volume turned all the way down. Mar 20, 2010 hq 129x hammarlund receiver restoration. Site inludes fun activities, personal youtube favorites, items for sale and things of general interest. It featured coverage from 540 kc to 30 mc with calibrated amateur band spread.
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