The article provides examples of Sylvania-manufactured tubes. Sylvania was probably the most prolific American tube manufacturer, and their tubes were found packaged by many well-known USA name brands. Among the EIA codes that you will find on Sylvania-manufactured tubes are 312 and 722. Here are photographs to illustrate the wide diversity of companies that Sylvania …
It is quite common to find tubes that have a “brand name” printed on them, but were actually manufactured by a different company. Yes, you can easily find “RCA” tubes made in a Sylvania factory, “GE” or “RCA” tubes manufactured in a Tung-Sol plant, etc. So how do you know which company actually manufactured your …
Sencore Mighty Mite solid-state tube testers (TC28 Hybrider, TC162, and TC154) are durable, easy-to-use, and test a wide variety of modern tubes (including modern sweep tubes such as #8950). They were VERY popular among old-timer technicians. For most people, they are a very good choice. Regardless of model, all the Mighty Mite solid-state models use …
[Update: May 24, 2008] A rebuilt ECM solved the problem. While troubleshooting, I noticed that the ECM would not store the error codes. This was an obvious sign of a faulty ECM, so I purchased a rebuilt ECM. Problem solved, and rather cheaply also. This is the benefit of having skills to troubleshoot your own …
