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Eico Model 635 Tube Tester, US $370 – Picture 0
Eico Model 635 Tube Tester, US $370 – Picture 0

Eico Model 635 Tube Tester

US $370

  • Tucson, Arizona, United States
  • Jun 1st
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I am selling an Eico Model 635 tube tester.  I have cleaned and tested this unit.  In the pictures you will see a known "bad" 6SN7 (one that tested bad on a mutual transconductance tester) also testing as "bad" on this Eico unit.  You will also see a known "good" 6SN7 testing as "good."  The original book is included with this item.  This tester will test all the common audio tubes such as the 6CA7 (EL34), 12A*7 series, 7025, 7027, all the common rectifiers, and more.  The book also has data for setting up the common transmit tubes such as the 2E26 and the 6146.   The chassis and case (and book) are very clean.  Only the chrome snaps on the side of the case show some minor pitting.  I can tell from the cleanliness of the unit that it was used infrequently and stored in a clean, dry environment.    Free shipping is included in the price and will be via UPS ground. 

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