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February 12th 06, 06:18 PM
posted to rec.radio.amateur.boatanchors
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Tube substitutions/equivelents
In article .com,
sargent wrote: I have a Yaesu FTDX 400 transmitter that I am restoring to operating condition. In the tube list there is a "VR 150MT" called for, and on the chassis a Raytheon JANOA2WA installed. I have been unable to verify this substitution. Does anyone know if this is a correct replacement? 150MT is a 150 volt cold cathode regulator tube. So is the OA2. Dunno if the required series resistance is the same, but if the thing is regulating properly I wouldn't worry. --scott -- "C'est un Nagra. C'est suisse, et tres, tres precis." |
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