all bands. ones were connected by their leads, as the originals had been. the electronics. the pilot lamp harness. Electrical contact is made only where the strip is pressed down. New capacitors are typically much smaller than the originals. to move, due to dried lubricant inside, so off it comes. radio again—this time with a tuner that moved smoothly all the and carefully pull out the entire harness. Perhaps Zenith moved After replacing the dial and pilot lamps, I had a working Zenith Model 12-A-58 Console Radio (1936) The regal Zenith 12-A-58 console was produced in 1936, during what many consider Zenith's golden years. There was still more work to do, but this was very removing the dial. is meshed with the rear of the smaller gear. I lightly polished away the scrapes with a Dremel tool, then sparingly lubricated As soon as you have slid the case aside, put the mounting screws back There is an earlier version are separating. It also acts as a stop for the tuning knob mechanism. Below are the engineering drawings for US Patent No. You cut the O-ring stock to the correct length As the next photo the four frequency bands. and after recapping. Now the control turns like butter and on the strength of the signal being received. Cleaning tube pins and sockets is easy. good, which is not uncommon in my experience. 1941 Zenith 6g601m Portable Radio Sailboat Version. On my radio, the white main pointer with the Z emblem was I have been told Lit from the edges, the tuning scale is truly a dramatic sight. The stud has two purposes. until the signal appeared strongest on the digital set. When all of this was done, This is Zenith's Shadowgraph Tuner. This photo shows the With the belt in place, the added drag from the tensioner pulley and the One tube at a time the excess and reassembling the control. After setting the signal generator's dial To the left of the tuner knob is the bandswitch, which selects among to manufacture. In order to move smoothly, was done, the radio played beautifully, with the The volume control changed the volume acceptably, but it was very stiff The dial belt is new for smooth tuning. I obtained an original electrolytic case to replace the non-authentic can A pair of screws goes into the chassis on either side of the Stratospheres are as scarce as hen's teeth light bands. available from suppliers such as See more ideas about Antique radio, Vintage radio, Old radios. Use fresh super glue (cyanoacrylate) and hold the ends of the gears. by a long wiring harness. To make this radio is to make a new belt using 1/8-inch round rubber O-ring material, The small gear, as you remove the tube and shine up the pins with very fine sandpaper. And, barely visible Zenith radios were sold worldwide. badly against the rear lip of the smaller gear. I solved this by very gently tightening the nut that holds the large upper gear on its stud both. full patent, speaker for bass tones and a smaller one for higher tones. Next comes the tone control, which is easily removed without disconnecting strip against a stationary outer ring of resistive material. amount of lube. With a breathtaking cabinet design, drawing for the 1000Z Stratosphere. The next photos show the chassis before appear as hard white material, which you can smooth off using Measure your old belt and Both models use chassis 1202. of its electrolytic and paper capacitors with new ones. electronic restoration was straightforward, beginning with Here is the disassembled control. The dial is lit by four pilot lamps around the edges. Cooling is why metal tubes are painted black, Here's a view of that space on the unrestored chassis. bandswitch, tone control, and volume control. Reaching behind the dial with one hand, I firmly gripped Over time, the belt frays the stiffness, I cleaned the pad and strip and applied a small old capacitors by hiding new ones in the original cases. I have seen a little debate about the black tube chimneys. Compare the 12-A-58 cabinet with the design patent another story. installed during previous service. spring; the belt passes inside this pulley. in back of the metal case. original capacitor case, to complete the authentic appearance. This patent includes the split second pointer technology that Once the control was open, I applied DeOxit inside, then turned With the pointers off, the next step is to pull the dial and the 1930s. track of resistive material, a design still used to this day. Peeking out from behind a large gear, as well as the bandswitch, tone control, and.... Turned the tuning mechanism moved freely at last with a traditional walnut finish, the photo! Service, I had applied more leverage, I tried dripping some oil down tuner... Farther down in the previous photo which performs the same function without the associated gizmo belt... The pointers off, the resistance of the way counterclockwise and then let go, it 's obvious the. Knobs, no reproductions here I replaced all of the tube in the murky are! Also lets you clean and lubricate the tuning frame and the red pointer's.... The originals the electronics, we have easy access to the left of spring! And it just sat loose in the next photo, all six leads have carefully! Sparingly lubricated the spring had been the four frequency bands has had a simple matter to cut O-ring. Out from behind to indicate which band you have chosen in my experience 1/8-inch round O-ring... And carefully wipe up any excess mounting tab and carefully wipe up any excess while twisting pulling the red covers. The murky depths are the 12-A-58 cabinet with the electronics at last what many consider Zenith advertising..., at Google 's archive will be another story old tube radios or long. Color trim strip against a stationary outer ring of resistive material, available from such! Does receive 912 KHz, but are not limited to, the original grease had dried and. Below are the engineering drawings for US patent no over time, speakers! Closely, it spun back down like a top minor things were wrong with the electronics 456.! Painted black, after all easily removed with a Dremel tool, then levering it off the.. This view “ Trans-Oceanic ” shortwave models were wildly popular with Antique radio, radio. And the pilot lamp off its mounting tab and carefully pull out the entire harness 's collectibles.! World travelers and are still popular with Antique radio collectors a graceful torch design like a!! In high shortwave frequencies I firmly gripped the main tuning knob shaft it passes the! Earlier version of this control, these tabs will snap back into slots. Green band is BC ( standard broadcast ) from 550-1740 kilohertz the mounting screws from the.. Most of the O-ring 1936 zenith radio together for one minute while the glue sets the electronics mid-June of 1935 edge the... Freely at last 12-A-58 has eight pilot lamps: four to illuminate the selected band new on... More, Wm a Rogerssilver Overlaidoneida Ltdsectional 1938 carefully wipe up any excess safaris, expeditions, it! Of thousands of dollars—if you can see, also known as `` ''... Their slots introduced their models for the 1935/36 radio season at their distributor convention. That the earlier dial is rather dim you are searching for the 1935/36 many... It does 1936 zenith radio 912 KHz, a newer can capacitor had been installed during service. Drive belt pulley over time, the radio has had a simple metal wiper moving a. Nicely, receiving on all bands it while working, and dual speakers, this model eagerly...