The finished restoration included new vacuum tubes, tube sockets, binding posts, potentiometers, and a line cord. The finished restoration is shown in Figure 3.įIGURE 3. I wasn’t planning on restoring it to an all-original museum piece, but I did want it to look nice and work. This EC-1 was purchased on eBay for $420. At first, I thought that a little 409 cleaner would do the job, but I soon realized that I would have to completely disassemble it and unsolder every component in order to bring it up to my standards.įIGURE 2. Figure 2 shows the unit just after I unpacked it. When I bought the computer, I knew I was in for a major cleanup after seeing the photos on eBay. Nowadays, they show up on eBay on a fairly regular basis, but some of them can be quite expensive at well over $1,000. Figure 1 (above) is a picture from the Heathkit catalog. It had 17 vacuum tubes and lots of knobs and banana jacks in an awesome front panel. The Heath Company originally sold the EC-1 from 1959 to 1971 for $199.95. A while ago, I was excited to find a vintage Heathkit EC-1 analog computer for a reasonable price on eBay. I love restoring old electronic equipment, bringing things back to life.
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