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  1. K

    Voltage Booster?

    The 30a MFJ-4416 according to the one eham review is defective and they are trying to sort out a fix. It is currently priced at $139. per the eham site: http://www.eham.net/reviews/detail/7504 N8XJK claims that MFJ "stole" his old design but he has a new and improved one that is 40A CCS $225...
  2. K

    What's a Messenger 4V Worth?

    What's a Messenger 4V Worth? I may have to sell mine to help pay for a replacement computer. If I have to do this what should I ask? Mine has the MRF-455's, is in decent shape, and works fine. Thanks! doc KD4E
  3. K

    Messenger M4V Best Operating Voltage?

    What is the best operating voltage for a Messenger M4V? Mine has eight MRF-455's in the output instead of the 1446's. I have seen references from 12V to 17V, 17V seems too high. I am not as concerned with absolute maximum output as I am to protect the amp and to use the highest safe voltage...