Tram Crystals are at a premium and are very difficult to procure and are very expensive. Now the meat of the Tram. The channel selector. The channel selector in all Tram DA's will fail at some point in time. This is because these selectors were not manufactured with the utmost standards. When the channel selector fails you will notice as your turning the channel selector that some stations will not receive or transmit.
Sometimes you have to move the selector between channel numbers to get any response. There is nothing you can do to repair this control and these are non existent at the present time.
Maycom Manufacturing did a redesign on the crystal board of the Tram DA utilizing an different channel selector and rewiring which worked very well but these are no longer available.
Believe it or not tubes are the smallest problem for these radios, although they do malfunction, they are the last resort for suspicion. The tube sockets, however, can be a different story. Tube sockets in time tend to get corrosive causing erratic tube contact. The female part of the tube socket tends to open larger than normal especially if replacing tube after tube causing erratic contact.
The relay is also a very important part of these radios and visual inspection can often be sufficient in determining if its good or not. Any contact that is burnt or black is a good indication for replacement.
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DA Tram. End run around the terrible channel crystal selector. Base Station. Wireless Range:. Shipping and handling. The seller has not specified a shipping method to Germany. Contact the seller - opens in a new window or tab and request shipping to your location. Shipping cost cannot be calculated. Please enter a valid ZIP Code.
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