Hammarlund hq 129x schematic software

General coverage receiver hq 150 amateurr hammarlund mfg. It doesnt butcher the radio either, just unplug and replace with a 5u4 for show, and use the copper cap for go e. I have the service manual and am following directions. With the hq 120, introduced in december, 1938, hammarlund engineers succeeded in slashing the price by two thirds, while retaining most of the important features of the superpro, and introducing others to make the set even more ham friendly. Antique radio forums view topic hammarlund hq 129x power. It had been recapped, although i think it must have been done many years ago, as the new caps are yellow astrons. The terminal marked g is chassis ground and should be connected to a good earth ground. 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.

Mar 20, 2010 hq 129x hammarlund receiver restoration. A good schematic and alignment service manual is a must. Frankly, the hq 129x is about average for receivers of that vintage where weight is concerned. We welcome the rochester makerspace to our news from area clubs section of the rag. It is similar in performance to the earlier relatives of the hq 129, the hq 120x, hq 140x, hq 150. Am using a verified precise and calibrated frequency generator keypad digital entry. I have owned my hammarlund hq 129x now for about two years.

There are louvers on both sides that give some support for handling but no handles or cutouts. Let us know what you traded it for and help other ham operators. There is a lot of very interesting, useful software around for use with the rx320. Vingage, circa 1946 hammarlund model hq 129x short wave am radio repair manual. 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. 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.

Early production featured the hammarlund name and model in red lettering. Be prepared and able to communicate in case of emergency with the largest selection at. Schematics of antique radios category is a curation of web resources on, atwater kent home page, mauritron technical services. On 40 meters and above a third conversion to boost image rejection is performed in v3. Brands book lists the hq 129x at 52pounds and the manual does not give any weight.

It is the 1946 red letter edition, wholly stock with original knobs. The hq 120 was actually a scaled down super pro, similar to the bc775, bc1004, and bc779. Inc new york, ny, build 19461953, 19 pictures, 12 schematics, 10 tubes, united states of america. Hammarlund superpro vs racal ra 17l on cw beacon duration. Hammarlund hq110a instruction and service information pdf. This unit is often found with larger, usersupplied, tuning knobs. Site inludes fun activities, personal youtube favorites, items for sale and things of general interest. 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. Nov 27, 2016 everything you need to know about the hammarlund hq 140x receiver and more in one video.

Inc new york, ny, build 19461953, 3 pictures, 11 tubes, united states of america, schematics. Most of the schematics we have on hand are for radios from the 1920s 1930s. A correction to a mistake in hammarlund s alignment procedure. Hammarlund was most famous for its amateurshortwave receiver line. The biggest and best ham radio classifieds on the web. The hq 120x designation appears in advertising from august 1939 forward. On 160 and 80 meters the receiver operates in dual conversion mode and v3 is operated as an amplifier.

It featured coverage from 540 kc to 30 mc with calibrated amateur band spread. 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. This is a very nice comb bound reprint of the 20 page operators manual for the hq129x receiver. The hammarlund hq 100 general coverage receiver tunes medium wave and shortwave in four bands. Inc new york, ny, build 1946 1953, 19 pictures, 12 schematics, 10 tubes, united states of america. The line running up from r48 is connected to the top instead of the bottom of the s4 switch. 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. Hammarlund radio schematics schematics for antique and vintage tube radios are available in jpg format.

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. 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 hq 170 and hq 180 receivers normally have some hum with the volume turned all the way down. Winter of 2000 i finally fired up an old hammarlund hq129x 11tube receiver.

Hammarlundroberts, how to build the fivetube receiver 1925. This site is dedicated to the hobby of ham radio, antique radio collecting and restoration, culture, local events in charleston, sc. In 1945, when the hq129x was sold on the postwar market. The first input filter capacitor is not quite big enough to get rid of all of it. Based on historic data, todays secondhand price of the hammarlund hq 129x is around. It uses eighteen tubes and has special circuitry and controls that you wont find on consumer radios. Some late production units had black lettering for the name and model number. I am now accepting new manuals for inclusion in this archive. The hammarlund hq145x multipurpose continu ous coverage communications receiver incorporates. Antique radio forums view topic hq129x restoration. The worldwidedx radio forum was originally established in 2001. Foreign orders are welcome thanks to the ebay global shipping program, but your.

I traded my hq 170 for it originally for nostalgias sake, with an eye on am performance. Note that all of the front panel markings on this hq 129x, like the one shown above, are in white. The difference between this radio and the hq 180 is the 180 has a third if at 60 kc, and is very sharply selective. View and download hammarlund hq 110a instruction and service information online. Hammarlund hq129x ohio university faculty and staff websites. These manuals are available for download and free of charge.

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. In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff. Buy, sell, trade hf and vhf equipment, towers, antennas, rotators and more. The front panel of the hq 129x pictured below is the older twocolor style. Given the positioning of the rectifier in the hq 129x, a good idea. The receiver worked fine when i received it, very sensitive, smoothsounding, stable, and easy to tune. Revisiting the 8track with a new 1975 pioneer hr99 recorder duration. Hammarlund hq 180ac communications receiver 1966 this hammarlund hq 180ac radio was designed for serious shortwave and ham listening.

Most units had all the front panel labeling in white. General coverage receiver hq150 amateurr hammarlund mfg. Hammarlund ham radio receivers for sale in stock ebay. The hq120 was truly ahead of its time when first introduced in december, 1938. Hammarlund radio schematics west florida components. We collect prices paid by real hams over the years to help you estimate the value of a used hammarlund hq 129x.

View and download hammarlund hq 170 instruction and service information online. Hammarlund hq129x short wave am radio repair manual. 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. When i received my ham radio licence in 1959, hammarlund receivers were my dream. 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. Everything you need to know about the hammarlund hq 140x receiver and more in one video. Built near the end of the great age of tubepowered boatanchors. My hq 129x schematic shows a threeterminal strip, with two terminals marked a and one marked g. Hammarlund hq 129x sign in or register to add photos.