Atwater kent model 70 schematic software

The radio is housed in a narrow wooden box the model 30 box is slightly wider that the model 20 box. The atwater kent radiodyne antique radio classified. By 1931, atwater kents entire lineup of indoor radios would use a superheterodyne design. Redrawn schematics of the 7570 and 7690 versions of the ak20c.

Atwater kent published service manuals for his radios. Atwater kent service manual index this table lists all atwater kent model numbers in order and the service manuals oin which each is presented. Atwater kent never sold a completely assembled crystal set. Atwater kent 185 schematic antique electronic supply. The set shown above was assembled from individual components marketed by the company in the early 1920s. Most negative, center tap of the high voltage winding. The atwater kent 84 early version from about 1932 is a 6tube ac nonavc superhet with separate oscillator and mixer tubes. Modern drawing, apr2004, 1, detector 1stage af amplifier, 3676. The atwater kent model 20, model number 4640, was the first of 4 versions of the 20. Web edition it pays to advertise is the message sent by richard arnolds article telling how he acquired a nice atwater kent model 84. This site is dedicated to collecting and restoring atwater kent breadboard radio receivers. If no program is heard, even faintly, shift dials 2 and 3 to 54 and again swing dial 1 through the short arc. Atwater kent model 60 tube radio chassis only for parts.

Antique radio forums view topic atwater kent model 70. However, after plugging in the chassis, nothing happens. I would be very grateful for any information, manuals, andor repair ideas to help me bring this beautiful radio back to life. The model 3925 also known as the model 1 was introduced late in 1922 and consisted of a tuner, detector, and 1 stage amplifier.

Kent excelled in mechanics and drawing, but was weak in chemistry, algebra. Nov 27, 2016 in 1930, atwater kent introduced their first superheterodyne radio the model 72. Vacuum tube line driver reverb amplifier circuit from ge hifi record console. Atwater kent radio schematics if your model or chassis is not listed below or on the factory service manuals page, contact me for availability. Antique 1925 atwater kent model 20c receiving set 7570 tabletop tube radio. My great grandparents purchased it new in 1930 from hales department store in downtown san jose. Model 511 40mb models 534, 666, 816, 926, and 936 2. Atwater kent radio parts list antique electronic supply. I am redrawing many of the vintage atwater kent schematics. Click here for details about an acoperated power supply suitable for the atwater kent model 20 compact receiver. Kent, it presents the entire atwater kent product line for 1929. Sep 21, 2016 atwater kent models 30, 33, 35, 48 and 49 radio service data sheet may 1930 radiocraft. The atwater kent feature story in the may 1999 issue of a.

Atwater kent models 30, 33, 35, 48 and 49 radio service data. It employs pushpull 45s in the output stage and covers the. The ak model 708 is an 8tube 4band superhet circuit radio with avc, circa 1934. These are factory service manuals with schematics scanned in high resolution directly from the original atwater kent service manuals. This book is a stepbystep tutorial for simulating vacuum tube guitar amplifiers using ltspice, a free spicebased electronic circuit simulator for windows and macos. It looks to be complete and most of the tubes appear to be original except for the 80 rectifier tube and the 27 output driver tube. These are identified by modern drawing in the literature title column. Anyway, we have a closer look at what kind of shape the chassis is in, identify exactly which chassis.

Select picture or schematic to display from thumbnails on the right and click for download. The book walks you through the basics of developing a schematic, setting up a simulation, integrating vacuum tube models, and interpreting the results. This web site is devoted to disseminating information about atwater kent radios and. Atwater kent radio catalog 1929 this little 30page catalog is a real jewel. Atwater kent service manuals atwater kent published service manuals for his radios. Used atwater kent radio schematic full set with rca radio. Vintage atwater kent type l chassis chassis only from.

The most positive point in a radio is filament of your 80 rectifier tube. Details about vintage atwater kent type l chassis chassis only from model 70 trf. Also included are links to modern, redrawn schematics. For more pictures, go to my atwater kent model 20c gallery.

Were glad to have the radiodyne brought to our attention, as it marked an interesting milestone in atwater kent history. No, the model 70, along with its 1930 siblings, 74, 75, and 76, would be the last of atwater kents tuned radio frequency trf designs. I tested all of the tubes and most tested very good, except for the two 24 rf tubes. In 1921, he patented the modern form of the automobile ignition coil. It also includes information about atwater kent design, manufacture, and technology. Editor i purchased this atwater kent model 84, shown in figure 1, sometime in the fall of 1985 when i was a brand new collector. Atwater kent model 70 used non electrolytic filter caps. Co philadelphia, usa, build 1930, 14 pictures, united states of america, schematics, tubes, semiconductors, broadcast.

In 1930, atwater kent introduced their first superheterodyne radio the model 72. Atwater kent model 70 chassis l help antique radio forums. Recently, this little bug bit me again, and the old atwater kent in the closet became the prime item of interest. Schematic with components described not values, wiring diagram, drawing of bottom, photo with connections of rf amplifier, schematic and wire diagram of.

Apr 08, 2012 this weekends radio projects were an atlas 210x hf transceiver and an atwater kent model 70 console radio. When you replace them with electrolytic caps you have to watch polarity. The schematic for the model 84 is online at nostalgia air. Jul 20, 2008 i just managed to purchase a 1929 atwater kent model 55 table top receiver, today. December 3, 1873 march 4, 1949 was an american inventor and. Volume control ar maximum ld switch as distance une high resistance d c voltmeter lbout 05025m in manure pllle and grid voltage. If the model you are looking for is not listed below or you would rather have the factory service file containing more information, check the atwater kent factory service manuals page atwaterkent radio schematics. As i acquire them i will publish them here for anyones use. Another document is also needed for parts placement and for restuffing the three metal cased bypass capacitors. December 3, 1873 march 4, 1949 was an american inventor and prominent radio manufacturer based in philadelphia. I recently bought an atwater kent model 70 with a type l chassis at an estate sale. This schematic set has no relation to atwaterkent radio co. Atwater kent schematics atwater kent service manuals atwater kent instruction books atwater kent items for sale ebay atwater kent auctions recommended reference material atwater kent radio links atwater kent time capsule opened atwater kent 1929 catalog youtube atwater kent radio videos john jenkins atwater kent breadboards jimmy edingtons. View the list of schematics available for models below before placing your order.

Note that you will need the free adobe actrobat viewer to look at them. This one was first produced in 1924, and continued into the first couple of months of 1926. The new versions will include voltages, parts numbers and values. Atwater kent modern drawings index 20 nov 20 all drawings are being updated for consistent style, and adding new information. All files available below have a brief description of some of the service information available in the file. Atwater kent model 70 console radio 1930 this floor model radio from 1930 uses the 7tube type l trf chassis. A link to download this viewer is at the bottom of the page. Com a hobby site for your fun, interest and learning. This particular atwater kent model 70 radio is very special. By 1931, atwater kent s entire lineup of indoor radios would use a superheterodyne design. Anyway, we have a closer look at what kind of shape the chassis is in, identify exactly which chassis we have, and start checking out the power. Ch d2, 70ch f, 70ch l1, 70ch l2, 70ch p, 70 ch q, 72 ch, h1, 72ch h2. It was the companys entry level compact for the 19311932 model year, having 6 tubes but no automatic volume control avc.

Atwater kent radio schematic cd huge 1919 to 1934 ebay. This was followed by the model 9 and a broad line of breadboard sets. This power supply is intended to operate the atwater kent model 20 compact receiver. Atwater kent schematics and factory service manuals. No, the model 70, along with its 1930 siblings, 74, 75, and 76, would be the last of atwater kent s tuned radio frequency trf designs. In that era, the technology to build an ac operated power supply for the thenavailable vacuum tubes existed, but implementation was rather expensive. If the model you are looking for is not listed below or you would rather have the factory service file containing more information, check the atwater kent factory service manuals page. View the list below of atwaterkent models and pricing on each individual. Atwater kent items for sale ebay atwater kent auctions recommended reference material atwater kent radio links atwater kent time capsule opened atwater kent 1929 catalog youtube atwater kent radio videos john jenkins atwater kent breadboards jimmy edingtons all things atwater kent museum atwater kent technical site dedicated to atwater kent. It has an rf amplifier stage with a doubletuned preselector on the broadcast band 4gang tuning capacitor, separate oscillator and mixer tubes, and two if amplifier stages. In the first decade of commercial broadcast radio, the idea of a dualpurpose radio took hold and several companies began to manufacture radios that were as much pieces of furniture or other appliances as they were radios. Anyway, we have a closer look at what kind of shape the chassis is in, identify exactly which chassis we.