Swan 1200-X

Discussion in 'Amateur Radio Amplifiers' started by N8SAN, Jun 28, 2017.

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  1. W0SNL

    W0SNL Ham Member QRZ Page

    The 100 ma idle current is set by the bias pot, which in your previous pictures is that pot near the large cap near Tube 3. You can set it to 100 ma, but I doubt that will affect your output power by very much.
     
  2. N8SAN

    N8SAN XML Subscriber QRZ Page

    Oh, outstanding. Ok. Thankyou!
    And I agree. I doubt it'll make much difference. I'll just have to wait for now.
     
  3. KD2ACO

    KD2ACO Platinum Subscriber Platinum Subscriber Life Member QRZ Page

    Depending on the meter (if it's responding to peaks) you could see a higher indication in SSB because when tuning with full carrier, the power supply will sag a bit.
    edit: including the line voltage from the wall. :p
    Mine goes from 118v to 116 at full carrier.
     

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