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$26.91 Shipping Condition: Used Location: Fallon, United States EICO 628 Tube Tester- Very Nice- Accurate- HAM Here's a nice. Clean, and accurate EICO model 628 tube tester with the attractive brushed aluminum ... morepanel from my collection. The EICO 628 was the successor to the very popular model 625. With sockets added to test the newer tubes that were becoming available. In addition to the usual octal, loctal, 7& 9-pin miniature sockets, Eico added 5& 7-pin nuvistor sockets, novar and compactron sockets, plus 7& 9-pin pin straighteners. The 9-pin socket is actually a combination 9& 10-pin miniature socket. The 628 also has a vastly improved roll chart. The old 4. 5, 6& 7-pin sockets are gone to make room for the new ones. But the older tubes can still be tested. In fact, the data is still on the roll chart and in the tube data manual(included) All it takes is a simple adapter you can make for yourself from an old 8-pin tube base and the socket of your choice. The EICO series of test instruments were intended for professional use. And were marketed mostly to radio and TV repairmen through the local electronic parts dealerships, and their construction shows it. The professional looking brushed aluminum panel was designed to inspire confidence in the customer who saw it, and the heavy steel case of this instrument was intended to protect it well. The circuit was licensed from Triplett and is the same as the Triplett 3413. Heath and Knight also licensed the circuit and produced it as the Heathkit models TC-x and IT-xx. Knight testers are known as the KG-600 series. The test data for all of these tube testers is generally interchangeable. As can be seen from the tag on power cord and the"Tested" stamp on the inside of the case, this is a factory wired instrument- perhaps important if you want to be sure it was done correctly. Eico didn't provide any calibration adjustments for this model tester. Relying instead on the inherent accuracy achieved by the use of close tolerance components in the measuring circuits. Calibration consists of ensuring th
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Free Shipping Condition: Used Location: Brush Prairie, United States B&K CR-11 Adapter.
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