"Joe Roth" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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I was fortunate to find an L4B to complete my Drake C-line station. The
tubes are supposed to be fairly new. The power supply just had diodes
replaced. I carefully (slowly) turned the amp on and everything came quietly
to life. Those 3-500Z's are the prettiest things next to a Christmas tree!
Here is the trouble. I tried to drive it with 20 watts (T4XC). The grid
current is off the scale. A mere 10 watts drive will bring it to full scale.
Plate voltage and amps read zero no matter what. The amp's T/R relay engages
but no RF out at all. I tried this on 20 & 40 meters with the same result.
What should I check next gang? Bad tubes? Bad L4-PS?
Thanks!!
Joe, N4ARI
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