[GreenKeys] Western Union Rectifier 69-B (Kevin DeWitt)

airrelic at juno.com airrelic at juno.com
Tue Apr 24 15:54:14 EDT 2012


Derek, I have a 69B rectifier that came with my TG-7's. It does not have the 83 rectifier tube, but has a solid state "rectifier adapter, 9445A" which I can't find much information on. Although it easily was adjustable to 60ma the output voltage seemed high to me at 187 volts d.c. I have since been advised that teletypes will tolerate voltages in excess of that. I still intend on replacing the capacitors because they are relatively inexpensive. 73, Kevin/KD8QGX
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