#65: EICO 628 tube tester

In this video we check out and begin to repair an EICO 628 emissions tester. In the process of finding issues, we also describe the interpretation of the chart settings for different tubes. There may be a Part II video once some additional parts arrive. Additional information can be found at

* EICO 628 manual, http://bama.edebris.com/download/eico/628/eico-628.pdf
* RCA tube manual, https://archive.org/details/RCA_RC-30_1975
* Updated 625 charts, http://bama.edebris.com/download/eico/625data/EICO625TUBEDATA.pdf
* ARF thread on the bulbs, http://www.antiqueradios.com/forums/viewtopic.php?t=93067
* Some additional technical information, https://tubesound.com/classic-emission-tube-testers/
* All about neon lamps, http://w5jgv.com/downloads/General%20Electric%20Glow%20Lamp%20Manual%202nd%20Edition.pdf

Видео #65: EICO 628 tube tester канала Radio Physics and Electronics